Post on 12-Jan-2023
QUESTION BANK
Subject: Special Electrical Machines (EE 402)
S8 EEE
Sl No. Question Marks
Module 1
1 Draw and explain the Torque speed curves of an AC servomotor for
various
values of control voltage
5 KTU
May
2019
2 a) Explain the [pes of series split field DC servomotor.
b) With relevant diagrams explain field controlled DC Servomotors
10 KTU
May
2019
3 Compare the performance of AC and DC servo motors and list the
applications
5 KTU
May
2019
4 Explain the constructional details and importance of Drag Cup Servomotor 5 KTU Oct
2019
5 a) List the applications of Servomotors
b) With relevant diagrams explain armature controlled DC Servomotor
10 KTU Oct
2019
6 Mention the different types of servomotors 10
7 What is the significant of field control in DC Servo Motors 5
8 Explain the working of series split field DC servomotor 10
Module 2
1 Define Step angle and detent torque for a Stepper motor 5 KTU
May
2019
2 Explain the dynamic characteristics of stepper motor 5 KTU
Oct
2019
3 b) Define the following terms as applied to a Stepper motor (l) Start-stop mode
(2)Slewing mode.
5 KTU
May
2019
4 a) Explain any two modes of excitation used in three phase permanent
magnet stepper motor.
b) Explain the construction of multi stack Variable reluctance stepper motor
with neat sketches.
10 KTU
May
2019
5 With neat sketches, explain the constructional details and working principle of
variable reluctance stepper motor. List any four applications of stepper motor
10 KTU
Oct
2019
6 Discuss 2 phase ON mode excitation of three phase and four phase stepper
motors
6 KTU
Oct
2019
7 Define the following terms as applied to a Stepper motors (1) Holding Torque (2)
Step accuracy (3)Detent position
10
8 Explain the Pull in characteristics ,Pull out characteristics and single step
response of a Stepper motor
10
Module 3
1 Explain working principle of two-pole single-phase AC series motor with
diagram.
5 KTU May
2019
2 Write short notes:on the principle of hysteresis motor with necessary
diagram
5 KTU May
2019
3 a) Draw the phasor diagram of AC series motor and derive the
voltage equation
b) Derive the torque equation of hysteresis motor
10 KTU May
2019
4 What are the advantages and limitations of Universal motor 5 KTU Oct
2019
5 Why compensating winding is used in AC series motor? Draw series
motor with different types of compensating windings
5 KTU Oct
2019
6 Discuss the torque speed characteristics of hysteresis motor 5 KTU Oct
2019
7 What are the modifications to be made in DC series motor to operate it in
AC supply?
6 KTU Oct
2019
8 Define reluctance torque and obtain the expression for torque of a
synchronous reluctance motor
10
Module 4
1 Explain why rotor position sensor is required for the operation of switched
reluctance motor.
5 KTU May
2019
2 , With neat sketch explain the construction and operation of 6/4 SRM 10 KTU May
2019
3 Draw, and explain n+1 switches and diode configuration power converter
for SRM
5 KTU May
2019
4 Compare Mechanical Commutation and Electronic Commutation 5 KTU Oct
2019
5 With neat sketch explain the construction and operation of 8/6 SRM 10 KTU Oct
2019
6 Explain the torque-speed characteristics of SRM with necessary diagrams 10 KTU Oct
2019
7 Draw the T-S characteristics of a Reluctance motor and explain its shape 7
8 Explain how an Ordinary Reluctance motor differ from a Switched
reluctance motor
10
Module 5
1 What are the advantages of PMBLDC motor over DC motor? 5 KTU May
2019
2 Differentiate trapezoidal type BLDC motor and sinusoidal type PMBLDC
motor
5 KTU May
2019
3 Explain the principle of operation of PMBLDC motor for 1200
commutation with neat circuit diagram.
10 KTU May
2019
4 Draw and explain the performance characteristics of PMBLDC motor 5 KTU May
2019
5 Explain the principle of operation of PMBLDC motor for 1800
commutation with neat circuit diagram.
10 KTU Oct
2019
6 Derive the torque equation of PM BLDC motor 10 KTU Oct
2019
7 What are the advantages and disadvantages of BLDC motor 5
8 Explain the significance of rotor position sensors in Brushless DC motors 10
Module 6
1 Write short note on linear induction motor. 5 KTU May
2019
2 Enumerate linear motors and list any four applications. 5 KTU May
2019
3 With necessary diagram explain Longitudinal flux linear switched
reluctance motor and transverse flux linear switched reluctance motor
10 KTU May
2019
4 Derive the expression' for linear force 5 KTU May
2019
5 How linear motor differ from conventional motor 5
6 Develop the equivalent circuit of a LIM and describe the main factors
affecting its performance
10
7 Explain the transverse edge effect in LIM 5
8 Describe the working of different classes of LIM and mention the
application of each
10
QUESTION BANK
EE404 INDUSTRIAL INSTRUMENTATION AND AUTOMATION (S8 EEE)
Module 1
Sl No. Questions Marks KU/KTU Instructional
Objectives (Month/Year)
1 Define Transducer. List the different criteria for classification of it. 5
2 Define following. 1. Resolution 2. Precision 3. Accuracy 4. Threshold
5. Linearity 6. Hysteresis 7. Repeatability
7
3 What do you understand by dynamic characteristics of a transducer? Define
Speed of response, Fidelity, Lag, Dynamic Error.
8
4 What do you understand by static characteristics? List the different types of
static characteristics. Define the terms: Instrument, accuracy, precision,
Resolution, sensitivity and errors.
8
5 Draw and explain second order sensor time response 4 KTU May,
October 2019
6 Draw the block diagram representation of a process control system and
explain the functions of each block.
5 KTU May,
October 2019
7 Draw the step response of a first order sensor. Explain the effect of time
constant on the nature of response of the sensor
5 KTU October
2019
8 A sensor measures temperature linearly with a static transfer function of
33mV/°C and has a 1.5-s time constant. Find the output 0.75 s after the input
changes from 20°C to 41°C. Find the error in temperature this represents.
7
9 Explain the factors that govern the output characteristics of a transducer. 5 KTU May
2019
10 Explain the factors influencing the choice of a transducer for an industrial
instrumentation system
6 KTU May,
October 2019
Module 2
Sl No. Questions Marks KU/KTU Instructional
Objectives (Month/Year)
1 Explain the measurement of flow using Hot Wire Anemometer. 5 KTU October
2019
2 Enlist capacitive transducers. Explain any one in detail. 7
3 Draw and explain the working of a capacitive differential pressure
transducer.
4 KTU May,
October 2019
4 With the help of a diagram explain the working of an eddy current sensor. 6 KTU May
2019
5 Explain the measurement of torque using strain gauges. 5 KTU May
2019
6 Explain the principle of operation of a variable reluctance tachometer. 5 KTU October
2019
7 Explain about the analog and digital phase detectors. 10
8 Explain the concept of Nano instrumentation. 5 KTU May
2019
Module 3
Sl No. Questions Marks KU/KTU Instructional
Objectives (Month/Year)
1 Explain the importance of signal conditioning in industrial instrumentation
systems.
5 KTU May,
October 2019
2 What is an instrumentation amplifier and discuss its role in
instrumentation.
5 KTU October
2019
3 What is an isolation amplifier? Discuss its application in instrumentation
system
5
4 Write a short note on precision rectifiers and Isolation amplifiers. 10
5 How the noise problem in instrumentation can be minimized? 5
6 Explain different switched capacitor circuits 7
7 List any five important features of instrumentation amplifiers. 5 KTU May
2019
8 Explain the principle of operation of phase sensitive detector. 5 KTU May
2019
9 Derive an expression for the output voltage of a logarithmic amplifier and
show that it is proportional to logarithm of input voltage
5 KTU May
2019
10 With the circuit diagram of charge amplifier show how it enables
measurement of electrical charge.
6 KTU October
2019
Module 4
Sl No.
Questions
Marks
KU/KTU Instructional
Objectives (Month/Year)
1 What are the advantages and disadvantages of MEMS? 5 KTU May,
October 2019
2 Explain the steps involved in surface micromachining with relevant
figures. Compare surface micromachining with bulk micromachining.
10
3 With the help of a diagram explain the principle of MEMS accelerometer. 5 KTU May,
October 2019
4 What is MEMS? List its advantages and applications. 7
5 With the help of a block diagram explain the architecture of virtual
instruments.
5 KTU October
2019
6 List the advantages of virtual instruments over traditional instruments. 5
7 Differentiate between bulk and surface micromachining. 5 KTU May
2019
8 Explain the concept of graphical programming in virtual instruments. 5 KTU May,
October 2019
9 Explain the need for virtual instrument with an example and concepts of
graphical programming.
10
Module 5
Sl No. Questions Marks KU/KTU Instructional
Objectives (Month/Year)
1 Give the classification of control valves. 5 KTU October
2019
2 Explain the characteristics features of shape memory alloys. 5 KTU October
2019
3 Explain about different devices used in Automation 6
4 Explain the architecture of Industrial Automation Systems. 8
5 What is the role of actuators in automation system? How are they
classified?
5 KTU May
2019
6 Define an industrial automation system and enlist its components. 5 KTU May,
October 2019
7 Explain the selection criterion for control valves? 5 KTU May
2019
8 How can you convert an open loop system to an automatic system?
Explain with the help of an example.
5 KTU May
2019
9 With the help of a neat diagram explain the working of butterfly valve. 5 KTU May
2019
10 Explain the working of a solenoid actuator with the help of diagram. 5 KTU October
2019
11 With the help of a block diagram explain the working of an automated
system.
5 KTU October
2019
Module 6
Sl No. Questions Marks KU/KTU Instructional
Objectives (Month/Year)
1 What are the main components of SCADA? 5 KTU May,
October 2019
2 Give the significance of timers and counters in PLC. 5 KTU May,
October 2019
3 With some suitable example explain four major components of the DCS
system.
8
4 Draw the PLC ladder diagrams to realize two input AND, OR and XOR
gates.
5 KTU May,
October 2019
5 What is PLC? What are the advantages of PLC control system? What are
different data files available in PLC?
7
6 What is the function of 1/O module in a PLC? Describe the basic functional
blocks of a PLC with suitable diagram.
7
7 What are the key features of DCS? 5
8 Explain the following i) NAND gate and relay and PLC equivalents.
ii) NOT gate and relay and PLC equivalents
8
9 Compare programmable logic controller with personal computer. 5 KTU May,
October 2019
10 What are the hardware elements of DCS? 5 KTU October
2019
QUESTION BANK- FACTS Module-1
Sl. No
Questions
Marks
KU/KTU
(Month/Year)
1
What is the need for reactive power control in electrical
transmission line.
4
KU April 2014
2
Explain the need and importants of FACTS Technology.
4
KU Nov 2015
3
Explain any two applications of DC transmission system,
4
KU April 2014
4 With neat circuit diagram explain the various basic types
FACTS controllers.
10
KU April 2014
5
Explain different types FACTS controllers with neat sketches.
10
KU Nov 2015
6
Explain the power flow and dynamic stability consideration of
uncompensated transmission line.
10
KU April 2014
7
What is the load compensation ? Discuss its objectives in
power system.
10
KU April 2014
8
Analyse lossless distributed parameter transmission line and
hence obtain the power equation for symmetrical case. Also
derive the mid pointcondition of a symmetrical line.
10
KU Nov 2015
9
What are the objectives of load compensation 4
KU April 2015
10
Derive the expressions for midpoint voltage and current of a
symmetrical line.
10
KU April 2015
11
A400 KV, 50 Hz, 600 Km long symmetrical line having an
inductance of 1mH/Kmand capacitance of 11.1 x 10-9 F/Km is
operated at rated voltage. Find
10
KU April 2015
12
How power flow in an interconnected AC system can be
controlled? What are the constraints in maximum line loading?
10
KTU OCT
2019
13 Compare the effect of series capacitor with that of shunt
capacitor in sub synchronous resonance.
4
KU April 2016
14
List different types of FACTS devices and their control
variables.
4
KU April 2016
Module2
Sl. No Questions Marks KU/KTU
(Month/Year)
1
Draw and explain the equivalent circuit of a line with shunt
capacitor at the mid point.
4
KU April
2014
2
Explain a transmission line with shunt capacitor at the midpoint
10
KU April
of the line. 2014
3
What is passive reactive power compensation ?
KU Nov 2015
4
What are the factor which limits the loading capability of the
transmission line
KU Nov 2015
5
Describe the procedure to locate the FACTS devices in an
electrical network.
10
KU Nov 2015
6
A compensator can be designed to provide the reactive power
reqnt of the load rather than an ideal voltage regulator”.
Justify the statement.
4
KU April
2016
7
Consider a supply system at 11KV (L -L) volt with RS =
0.08Q and XS =0.40 supplying a star connected inductive load
whose mean power is 25 mW and whose reactive power varies
from 0 to 50 MVAR. Ail quantities are expressed per phase.
Determine the improvement in voltage regulation when the
load is compensated for unity powerfactor.
KU April 2016
8
Explain how a shunt capacitor connected at the midpoint of a
line can affect thevoltage regulation. What is the expression
for modified power flow in theline?
10
KU April
2016
9
Explain the need of reactive power flow control in load and
transmission lines.
10
KU April
2016
10 By shunt compensation the transient stability limit and power transfer capability can be is increased. How?
10 KTU OCT 2019
Module3
Sl. No
Questions
Marks
KU/KTU (Month/Year)
1
How a TSC can be implemented? Draw the schematic.
5
KTU Oct
2019
2
Discuss the power transmission control using SVC.
10
KU April
2014
3
What are the different configuration of SVC
4
KU Nov
2015
4
Explain the performance of FC + TCR.
4
KU Nov
2015
5
Explain different applications of SVC.
10
KU Nov
2015
6
Explain the performance of TCR. What is the basic difference
between TCR and TSR.
10
KU Nov
2015
7
What are the various operating configuration of TCSC ?
10
KU Nov
2015
8
Explain the operation and control of FC + TCR with neat sketches.
10
KU April 2015
9
Derive expressions for voltage and power in SVC.
KU April
2015
10
What are the objectives of SVC
4
KU April 2016
11
Draw the configuration and associated waveforms of a TSC.
4
KU April
2016
12
Explain the operation and control of a TCR with neat sketches.
What is its drawback and how it can be rectified ?
10
KU April 2016
13
Describe the various operating configurations of a TCSC.
10
KU April
2016
14
Derive expressions for voltage and power in an SVC.
10
KU April 2017
Module 4
Sl. No Questions Marks KU/KTU
(Month/Year)
1
Explain different configuration of TCPAR.
4
KU April
2014
2
What is the basic concept of phase angle regulator 10
KU April
2015
3
What are the Objectives of Voltage and Phase angle regulators
10
4
DiscribeThyristor controlled Voltage Regulators
10
5
Explain different configuration of TCVR.
10
6
DiscribeThyristor controlled Phase angle Regulators
10
7
Compare between TCVR & TCPAR
10
8
What are the applications of Voltage and Phase angle regulators
10
9 How the continuous control of thyristor tap changing can
be achieved? Draw the control scheme.
5 KTU Oct
2019
Module 5
Sl. No Questions Marks KU/KTU
(Month/Year)
1
What are the advantages of STATCOM ?
4
KU April 2014
2
Explain the performance of a STATCOM compareit with the
performance of SVC.
10
KU April
2014
3
How series compensation is achieved in SSSC ?
10
KU April
2014
4
Explain the basic principle of series capacitive compensation. 4
KU Nov 2015
5
Explain how the shunt compensation using a STATCOM is
superior to that using variable impedance type compensators.
4
KU Nov 2015
6
Draw and explain the VI characteristics of STATCOM.
10
KU Nov 2015
7
Compare SVC and STATCOM.
4
KU April
2015
8
Draw the equivalent circuit of a line with STATCOM at the
midpoint and derive the expressions for the midpoint voltage
and power flow in the line.
10
KU April
2015
9
Draw the equivalent circuit of a line with SSSC at the midpoint
and show how the power flow can be varied ? 10
10
KU April
2016
10
How SSSC can be controlled by direct control method? Explain
with neat Schematic.
10
KTU Oct
2019
11
Explain the basic operating principle of a STATCOM.
4
KU April 2016
Module 6
Sl. No Questions Marks KU/KTU
(Month/Year)
1
What is the role of DC link in UPFC ?
4
KU April
2014
2
With aid of block diagram, explain the characteristics of UPFC.
10
KU April
2014
3
Write short notes on UPFC
4
KU Nov 2015
4
Explain basic principle of operation of UPFC.
10
KU Nov 2015
5
Whatis the significance of the adjective ‘unified’ in UPFC
4
KU April 2015
6
Explain the working principle of a UPFC with diagrams.
10
KU April 2015
7
Explain the basic operating principle of a UPFC. How this can
be implemented using two back-to-back converters ?
10
KU April
2016
8
Explain interline power flow controller. With a schematic
diagram, explain its working.
10
KTU Oct
2019
QUESTION BANK
EE 468
Computer Netwoks (S8EEE)
Sl No.
Question Marks Instructional objectives
Module 1
1 What is a computer network? Explain any 4 applications of computer networks
5 KTU OCT
OBE
R
2019
2 Explain in detail the ISO/OSI reference model. 10 KTU OCT
OBE
R
2019
3 How are computer networks classified on the basis of physical size? 3 KTU APRIL 2018
4 What are uses of Computer Networks 3
5 Write short note on Network Hardware
5
6 Write short note on Network Software,
5
7 Explain a Reference Models with an Example of Networks,
5
Module 2
1 a)What is meant by carrier sense multiple access? b) List and explain the different persistence methods used in CSMA.
4+6 KTU OCT
OBER
2019
2 a) Explain the different categories of computer networks based on scale. b) Explain the standard Ethernet frame format with diagrams.
5+5 KTU OCT
OBE
R
2019
3 Define the terms protocol and interface.
Draw and explain the frame format for Ethernet.
3+3 KTU APRIL 2018
4 Write short notes on the Medium Access Control Sublayer
5 What are the Channel Allocation Problem in MAC layer
6 What are Multiple Access Protocols
7 Broadband Wireless Explain working principle of Bluetooth 5 KTU OCT
OBE
R
2019
Module 3
1 a) Why is congestion control required in networking? b) Explain different methods for achieving congestion control.
2+8 KTU OCT
OBER
2019
2 Differentiate between adaptive and non adaptive routing algorithms. 5 KTU OCT
OBER
2019
3 What are the reasons for using Layered Architecture in Computer Networks? 3 KTU APRIL 2018
4 List out the key design issues that occur in Computer Networks. 4 KTU APRIL 2018
3 List and explain any three closed loop congestion control techniques. 3 KTU APRIL 2018
4 Differentiate between static and dynamic routing 3 KTU
APRIL
2018
5 Explain about network layer Quality of Service
6 Explain Internetworking
7 Short note on the Network Layer in the Internet
Module 4
1 What are the different services provided by transport layer? 5 KTU OCT
OBE
R
2019
2 List and explain any 5 performance issues of transport layer. 5 KTU OCT
OBE
R
2019
3 Explain connection establishment protocol in transport layer with
suitable diagrams.
10 KTU OCT
OBE
R
2019
4 Explain the addressing scheme employed in transport layer. 5 KTU OCT
OBE
R
2019
5 Write the different steps to be carried out while performing a remote
procedure call (RPC).
5 KTU OCT
OBE
R
2019
6 Explain with example a Simple Transport Protocol
Module 5
1 Explain the format of a UDP datagram. 5 KTU OCT
OBE
R
2019
2 What is MIME? 5 KTU OCT
OBE
R
2019
3 Draw and explain the TCP segment format 10 KTU OCT
OBE
R
2019
4 Explain WWW in detail. 5 KTU OCT
OBE
R
2019
5 What are TCP Performance Issues
Module 6
1 What is the need of a DNS protocol? 5 KTU OCT
OBER
2019
2 a) What is electronic mail? b) Explain the working of SMTP protocol. 4+6 KTU OCT
OBER
2019
3 Describe the name-address resolution techniques used in DNS 5 KTU APRIL 2018
4 Write short note on The World Wide Web, Multimedia
QUESTION BANK
Subject: Energy conservation And Management
(ME 482) S8 EEE
Module 1
Sl
No.
Question KU/
KTU
Year
Marks Instructional
Objectives
1 What is energy audit? Discuss types of energy
audit briefly
10
2 Explain need of energy sector reforms in India. 5
3 Write a short note on Indian energy scenario. 4
4 Discuss in brief energy conservation act 2001 and
its features.
5
5 Explain in brief about the following.
a)Primary and secondary energysources
b)Renewable and non-renewable energysources
c)Commercial and non-commercial energysources
10
6 State the ten instruments used in energy audit
process with its function
10
7 Classify the energy audit & explain the three
phases of detailed energy audit.
10
8 How Bureau of energy efficiency (BEE) facilitates
energy efficiency programs in India?
5
9 Compare and contrast conventional and non
conventional energy.
5
10 Make an outline of the world energy scenario and
comment on it.
5
11 Climate change is caused by human activity,
mostly related to the use of energy.
Substantiate your answer.
7
12 List out the various types of energy auditing 3
Module 2
1 Suggest a methodology for the study of Lighting system
Energy Efficiency.
15
2 Illustrate Energy Efficient replacement options in
Lighting System.
10
3 What are Components of EB billing
5
4 Explain Reactive power, Active power, Time of the day 10
(TOD) tariff, Contract demand and Maximum demand
with respect to electricity
5 Write short note on Energy efficiency in Transformers. 5
6 What are high efficiency motors ?. How they are
different from ordinary motors.
8
7 Write short note on Lux and Lumens
6
8 What is scope of Encon in Illumination
10
9 Suggest a method to improve the efficiency of an
induction motor used to drive a load which is much
lower than the capacity of the motor
5
10 Prepare a short note on the tariff structure of state
electricity billing
5
11 With the help of power triangle explain: explain active
power and reactive
power.
5
12 Define the following: Lumens, Lux and Luminous
efficacy.
6
13 What are the features of an energy efficient motor? 4
Module 3
1 Write a short note on waste heat boiler and heat pipes. 6
2 Explain performance assessment of steam traps 5
3 What are the principle heat losses that occur in a boiler? 10
4 What is the significance of optimizing furnace temperature? 5
5 Differentiate between furnace and oven? 5
6 What are the two common causes of wet steam formation in
a steam generation and distribution network?
10
7 What are the important precautions to be addressed while
designing a flash vessel for flash steam recovery system?
5
8 What is Flash Steam?How we can Calculate Flash Steam 10
9 With a schematic diagram explain the waste heat recovery
systems in a boiler plant.
7
10 Briefly explain flash steam systems. 5
11 Steam at 425 degree centigrade and 30 bar pressure is
feeding to a turbine kept at a distance of 100 m from the
boiler plant. How will you avoid the entry ofcondensate in
steam in to the turbine? Explain
5
12 During an energy audit in an air-conditioning plant it is 5
observed that the damper provided in the cold air supply
duct is partly closed during the working time. Commend on
this.
Module 4
1 State the different energy saving tips in pump. 10
2 State the different energy saving tips in fan
&compressors.
10
3 State the different energy saving tipsBlowers
5
4 List the energy saving opportunities in refrigeration and
air conditioning plant.
12
5 How can we achieve energy efficiency in Compressed
Air system.
12
6 What are the factors affecting the energy efficiency of
Refrigeration plants
10
7 How is cooling capacity of a cooling tower calculated?
6
8 Which type of cooling is better for DG set - ‘Air
Cooling’ or ‘Water Cooling’? Why?
5
9 Is it possible to assess the combustion efficiency of a
boiler by flue gas analysis?Explain
3
10 Explain the importance of impeller trimming in pumps. 5
11 What are the energy conservation opportunities in a
compressor system?
5
12 A centrifugal pump installed in a domestic system is not
delivering water.Investigate the possible reasons and
recommend the corrective measures.
5
Module 5
1 What is significance and objective of Energy
management
5
2 Give any four bench marking parameters followed in
equipment/utility related in Industries
5
3 List energy audit instrument used for power
measurement and one for flue gas measurement along
with parameters to be measured?
5
4 List at least four examples falling under “optimising the
input energy requirements” while maximizing system
efficiency?
5
5 Briefly explain with examples on fuel and energy
substitution
5
6 What is the need for managerial skills in energy
management?
5
7 Explain how matching energy usage to requirement can
enhance energy efficiency
5
8 What is the significance of an energy policy? 5
9 Explain the various types of energy auditindetail. 10
10 Explain the various phases ofenergyaudit. 10
11 Prepare an energy audit report conducted in a domestic
system. The buildingis installed with rooftop PV
system and the owner is having a four wheeleralso.
10
Module 6
1 Describe Discount Rate
5
2 Write short note on Payback Period
5
3 Briefly explain Internal Rate of Return
5
4 Write short note on Net Present Value
5
5 Briefly explain Life Cycle Costing 5
6 What are basic ESCO concepts 10
7 Discuss the electrical ECO’s in a commercial building 10
8 Briefly explain Straight Line Depreciation in Energy
economics
10
9 A new cogeneration plant installation is expected to
reduce the company’s annual electricity bill by
Rs.4,86,000/-. The capital cost of the new installation is
22,20,000/- and the annual maintenance and operating
cost are Rs.42,000/-. Find out the simple paybackperiod.
5
10 Define Internal Rate of Return. How it can befoundout? 5
11 What is Life Cycle Costing? Explain the
componentsinLCC
10
12 Calculate the NPV of the investment, if the interest rate
is 12% and capital investment is Rs. 25 Lakhs and
comment on the feasibility of the project. The return
from the project is asfollows:
10
Year Cash Flow in Lakhs
1 3.2