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1. Specific heat is defined as the amount of heat required toa) raise the temperature of a body by 273 ºCb) change the temperature of a unit mass of a body through 1ºCc) change the state of unit mass of a bodyd) change the temperature of a unit mass of a body through 212 ºF
2. The volume of gasa) is always independent of pressureb) is proportional to temperature at constant pressurec) is proportional to pressure at constant temperatured) both b) and c)
3. On heating, the viscosity of liquids generallya) decreasesb) increasesc) remain constantd) it depends upon the liquide) Viscosity is not defined the liquid.
4. The centripetal force of a body having mass m and rotating at a speed of v in a circle of radius r is given by.
a) mvrb) mrv²c) mv²/rd) mv/r²e) None of the above.
5. The unit of specific gravity in S.I unit isa) g/cm³b) kg/m3c) g/literd) kg/litere) None of the above.
6. Four samples of different materials having the same mass were noted to have the following volumes, 5cc, 10cc, 3cc and 19cc. which of them is more dense.
a) The one having volume 5cc.b) The one having volume 10cc.c) The one having volume 3cc.d) The one having volume 19cc.e) None of the above.
7. The density of water is max. at abouta) 0 ºCb) 2 ºCc) 4 ºCd) 6 ºCe) none of above
8. The amount of heat produced when unit mass of a solid fuel is completely burnt in normal condition is called
a) Specific heat of fuel.b) Co-efficient of fuelc) Caloric value of fuel.d) none of above
9. Running cost of nuclear power plant. a) Is more than a hydal power plant of the same power capacity?b) Is less than a hydal power plant of the same power capacity?c) Is equal than a hydal power plant of the same power capacity.d) May be any one of above depending upon the conditionse) None of above
10. Pakistan has a nuclear power plant, presently in running condition ata) Chashmab) Khushabc) Karachid) Both a) and c)e) None of above
11. If water flows at rate of 360 t/h in a pipe having a crossection area of 0.1m², the velocity is
a) 360 m/sb) 36 m/sc) 3.6 m/sd) None of above
12. One horse power is equal toa) 647 wattb) 467 wattc) 746 wattd) 0 watte) None of above
13. The unit of torque in S.I. unit isa) Newton-meterb) Joulec) Newton/meterd) Joule/metere) None of above
14. The linear speed of a body revolving at 1200 rpm in a circular path of 0.8m radius would be nearest to
a) 400m/sb) 300 m/sc) 200 m/sd) 100m/se) 80 m/s
15. The unit of universal gas constant R is a) Kb) Joulec) M³d) Joules/mol.Ke) None of above
16. When a heavy nucleus breaks into two or more nuclei with release energy, the process is known as
a) Fusionb) Fissionc) Enrichmentd) Radiatione) None of above
17. γ-rays havea) +ve chargeb) –ve chargec) both chargesd) any charge depending upon the energye) no charge
18. An electron is roughlya) 1/1840 times of protonb) 1840 times of protonc) 1840 times of neutrond) both a) and b)e) both b) and c)
19. When an atom emits a particlea) Its atomic number decreased by unityb) Its atomic number increased by unityc) Its mass number decreased by unityd) Its mass number increased by unitye) None of above
20. A nuclear bomb is more dangerous then an equivalent TNT bomb becausea) Of more weightb) Of radiationc) Of bad smelld) Both b) and c)e) None of above
21. Which of the following atoms contains least number of neutronsa) 92U235
b) 92 Np240
c) 92U238
d) 93Np239
22. 6C11 and 5B11 are twoa) isotopesb) isobarsc) isotonesd) isomerse) None of above
23. Which of the following is /are real number(s)a) 0b) -1c) ּהd) √5e) all of above
24. A quadratic equation has alwaysa) Real rootsb) Imaginary rootsc) Equal rootsd) No rootse) None of above
25. Log 124 is a) Greater than 0 and less than 1b) Greater than 1 and less than 2c) Greater than 2 and less than 3d) Greater than 3 and less than 4e) None of above
26. If we consider the earth to be a sphere of radius 6400 km, its volume will bea) )6400ּה( 4 Kmb) 3 )6400ּה( Kmc) )6400ּה ( (3/4) Kmd) )6400ּה ( (4/3) Kme) None of above
27. If y is the function of x as given in fig.1 then a) 1b) 0c) -1d) 0.5e) none of above
28. Sin²θ + Cos²θ =a) 0b) ּהc) ּה2d) 10e) none of above
29. x³ +y³ =a) (x-y)(x²+xy+y²) b) (x+y)(x²-xy +y²)c) (x+y)(x²+xy+y²)d) None of above
30. The equation x + y – 7 = 0a) A circleb) A parabolac) A straight lined) An arce) none of above
31. The slope of the equation y – x² + 7 =0 isa) -1b) +1c) 0d) 2xe) none of above
32. The max. value of sin (0) isa) 0b) 2c) 10d) none of above
33. The probability to draw a queen from a deck of 52 cards isa) 52b) 13c) 4d) 1:3
e) none of above
34. How many possibilities are there to select a team of three members from 6 playersa) 2b) 3c) 10d) 20e) none of above
35. A bus leaves at 7 o clock with an average speed of 60 km/h. a car leaves the same station at 9 o clock with an average speed of 90 km/h. at time will the car catch the bus.
a) 11 O’ clockb) 12 O’clockc) 1 O’ clockd) 30 past 1 O’ clocke) none of above
36. Two charged particlesa) Always attract each otherb) Always repel each otherc) Attract or repel each other, depending upon nature of chargesd) Have always no effect on each othere) none of above
37. Oil in the transformer is used fora) Lubrication purposesb) Cooling and insulationc) Killing the germsd) All of abovee) none of above
38. Load shedding is mainly done toa) Store electrical energy for later useb) Increase electrical energy in gridc) Reduce energy lossesd) All of abovee) none of above
39. How much current(I) will flow after a long time in given circuita) 6Ab) 3Ac) 2Ad) 0Ae) none of above
40. In semi conductor the current flows due toa) Protonsb) Ionsc) Neutronsd) All of abovee) none of above
41. The power factor of a pure capacitive circuit isa) -1b) 0c) +1d) 0.5e) none of above
42. A dry cell only can givea) D.C. voltageb) A.C. voltagec) Both a) and b)d) Pulsating D.C.e) none of above
43. Diodes is a device whicha) Covert D.C. to A.C.b) Block A.C. completelyc) Allow flow of current in only one directiond) All of abovee) none of above
44. Transformer is device, which cana) Increase the electrical energyb) Increase the voltagec) Increase the currentd) Both b) and c)e) none of above
45. Electrical motors draw---------- current during startupa) Nob) Lessc) Mored) Ratede) none of above
46. In metallic conductors, current flows due toa) Ionsb) Protonsc) Neutronsd) All of abovee) none of above
47. The relation between frequency (f) and time period (T) of a wavea) F = 2Tb) F = 1/ Tc) T = 2d) F = Te) none of above
48. In domestic wiring, a switch is always placed in a) Earth wireb) Neutral wirec) Live wired) Any of abovee) none of above
49. The resistance of copper wirea) Increases with increase in temperatureb) decreases with increase in temperaturec) is independent of temperatured) may increase or decrease with temperature depending upon the lengthe) none of above
50. The equivalent capacitance across A & B in the given fig isa) 8µfb) 2µfc) 4µfd) 16µfe) none of above
51. The equivalent resistance across A & B in the given fig isa) 5b) 22c) 18d) 2e) none of above
52. Choose fourth number of the team of Abbbat. Altama) Akramb) Anwarc) Amand) Alie) ijaz
53. Separate the odd number from apple, peach, carrot, mangoa) Appleb) Peachc) Carrotd) Mangoe) none of above
54. Separate the odd number from crow, cow, owl, swana) Crowb) Cowc) Owld) Swane) No one is odd
55. Complete the series 18,32,50,72,-----a) 100,127b) 98, 128c) 110, 138d) 92, 111e) none of above
56. Atomic mass number is equal toa) The number of protonsb) The number of neutronsc) The sum of the number of protons and neutronsd) The number of electronse) none of above
57. A chemical reaction is that in whicha) Nuclei of atoms are changedb) Only electrons are involved and no change in nucleic) Both electrons and nuclei are involvedd) Only state of matter is changede) none of above
58. An exothermic chemical reaction is thata) In which energy is releasedb) In which energy is absorbedc) In which energy is neither released nor absorbed which can take place at room
temperature59. The number of electrons in the last shell of oxygen (atomic number is 8) is
f) 2g) 4h) 6i) 8j) none of above
60. The max. value of pH for any solution isa) 1b) 10c) 100d) 1000e) none of above
61. Which of the following is organic compounda) Glassb) Ironc) Plasticd) Cemente) none of above
62. Identify as chemical changea) Burning of woodb) Melting of icec) Braking of glassd) Both a) and b)e) Both a) and c)
63. Identify as acida) H3BO3
b) HOHC) CH3CLD) H2O2
e) All of above64. Isotopes are those atoms which
a) Have same atomic weight and different atomic numberb) Have same atomic number and different atomic weightc) Have equal no. of proton and neutrond) Have same valency numbere) none of above
65. Periodic table is arranged according to a) Mass of electronb) Atomic number of elementsc) Color of elementsd) Odour of elemente) none of above
66. If x=at +bt² where x is in meter and t in hour, the unit of b will bea) m²/hrb) m/hr²c) m/hrd) me) none of above
67. A galvanometer is a device whicha) Measuring currentb) Measuring chargec) Detects currentd) none of above
68. A barometer is used toa) Measure the pressure of liquidsb) Measure the amount of heatc) Measure the atmospheric pressured) See objects at long distancee) none of above
69. A manometer is used toa) Measure the pressure of liquidsb) Measure the amount of heatc) Measure the atmospheric pressured) See objects at long distancee) none of above
70. A calorimeter is a device by which can a) Measure the pressure of liquidsb) Measure the amount of heatc) Measure the atmospheric pressured) See objects at long distancee) none of above
71. Light year is unit ofa) Light intensityb) Very long timec) Weightd) Powere) none of above
72. Megger is used to measurea) Voltageb) Currentc) Charged) Powere) none of above
73. 1+1+1 in binary number equal toa) 0b) 1c) 10d) 11e) none of above
74. What is the decimal equivalent to binary 111a) 0b) 1c) 10d) 11e) none of above
75. If a binary number then A + Ā =a) Ab) Āc) 0d) 1e) none of above
76. The gauge pressure at the top of K2 is equal toa) Equal to zerob) Less than zeroc) > zerod) equal to 100 Mpae) none of above
77. A packet is dropped from an aero plane flying at a constant speed V m/s, the speed of packet just before reaching the ground will be
a) Greater than vb) Less than vc) Equal to vd) Can be any one of the above depending upon height from the earthe) Can not be compared with given data
78. A body moving at constant velocity has acceleration equal toa) 9.81 m/s²b) -9.81 m/s²c) 6.67*103 m/s²d) 9.0*103 m/s²e) none of above
79. Power is defined as a) Force * distanceb) Force/distancec) Work * timed) Work done per unit timee) none of above
80. Which of the following is / are Vector quantity?a) Forceb) Velocityc) Weightd) All of above
81. The hardest substance known isa) Goldb) Diamondc) Tungstend) Platinume) none of above
82. The dot product of two rectangular components of a vector is a) equal to the vector itselfb) equal to the square of the vectorc) equal to half of vectord) none of above
83. Density of a body is defined asa) mass per unit areab) volume per unit areac) area per unit volumed) mass per unit volumee) none of above
84. A heavy and light body having equal kinetic energies, which one has greater momentum?
a) Heavy bodyb) Light bodyc) Both have same momentumd) No one has momentume) It can not be ascertained from the given data
85. If the density of the earth were double of the present, the value of gravitational acceleration g would be
a) Same as presentb) Double of presentc) Half of presentd) Four times of presente) none of above
86. Which substance is the most elastic?a) Rubberb) Brassc) Glassd) Steele) none of above
87. Efficiency of a practical machine is alwaysa) equal to 100b) > 100c) < 100d) equal to zeroe) none of above
88. The S.I. unit of co-efficient of linear expansion isa) m/ ºCb) ºC/mc) Md) ºCe) none of above
89. One mole of H2 and one mole of O2 at same temperature and pressure containa) have same massb) have same volumec) have same number of moleculesd) both a) and b)e) both b) and c)
90. Conduction heat transfer through a body depends upona) area of bodyb) thickness of bodyc) length of bodyd) all of abovee) none of above
91. First law of thermodynamics is described bya) ∆Q = ∆W + ∆Ub) ∆W = ∆Q + ∆Uc) ∆U = ∆Q + ∆Wd) all of abovee) none of above
92. The heat reaches to a man sitting nearby fire througha) conductionb) radiationc) convectiond) all of abovee) both a) and b)
93 The boiling point of water at siachin will be a) Equal to Karachib) Greater than Karachic) Less than Karachid) It depends upon the surrounding temperaturee) none of above
94. The Celsius degree (ºC) is a) > ºFb) < ºFc) = ºFd) Celsius and Fahrenheit are one and samee) No direct relation between the above
95 Thermometer directly tell us abouta) The amount of heat in bodyb) The degree of hotness or coldness of the bodyc) The difference of temperature from the environmentd) All of abovee) none of above
96. RTD is an instrument to measure a) flowb) temperaturec) resistanced) pHe) none of above
1. A bomber drops a bomb from an aircraft flying at 2000Km/h with an altitude of 7 Km. The speed at which the bomb will strike the earth would be.
a) Greater than 2000Km/hb) Less than 2000 Km/hc) Equal to 2000 Km/hd) Can not compare with the given data
2. The velocity of a body was noted to be a constant during 5 minuets of its motion. What was its acceleration during this interval?
a) 9.81m/s²b) -9.81m/s²c) 6.67*10² m/s²d) 0
3. Which of the following is / are Vector quantity?f) Forceg) Velocityh) Weighti) All of above
4. If V1 and V2 be two vectors at 90º from each other, having magnitudes of 10 and 20 units each. What will be the value of V1*V2.
a) Equal to 200b) Equal to 10c) Equal to 20d) Equal to 0
5. Four samples of different materials having the same mass were noted to have the following
volumes, 5cc, 10cc, 3cc and 19cc. which of them is more dense.f) The one having volume 5cc.g) The one having volume 10cc.h) The one having volume 3cc.i) The one having volume 19cc.
6. The centripetal force of a body having mass m and rotating at a speed of v in a circle of radius r is given by.
f) mvrg) mrv²h) mv²/ri) mv/r²
7. The unit of specific gravity in S.I unit isf) g/cm³g) kg/m3h) g/literi) kg/liter
8. Temperature of 100 ºC is equal toa) 100 ºFb) 212 ºFc) 112 ºF
d) 5 ºF
9. Specific heat is defined as the amount of heat required toe) raise the temperature of a body by 273 ºCf) change the temperature of a unit mass of a body through 1ºCg) change the state of unit mass of a bodyh) change the temperature of a unit mass of a body through 212 ºF
10. The volume of gasa) is always independent of pressureb) is proportional to temperature at constant pressurec) is proportional to pressure at constant temperatured) both b) and c)
11. On heating, the viscosity of liquids generallyf) decreasesg) increasesh) remain constanti) it depends upon the liquid
12. A chemical compound having only carbon and hydrogen is calleda) sulfuric acidb) hydrocarbonc) hydrided) all of above
13. Which of the following is / are Halogensa) chlorineb) iodinec) bromined) all of above
14. Atomic no. of an atom is the no. ofa) protonsb) electronsc) neutronsd) protons or electrons
15. Atmosphere pressure is equal toa) 14.7 psib) 760 mm of Hgc) none of aboved) a) and b)
16. Boiling point of water decreases due to a) decrease in pressureb) increase in pressurec) both A) and b)d) none of the above
17. Cane sugar is mainly composed of a) sucroseb) sodium chloridec) iodined) none of above
18. Which of the following is / are Vector quantity.a) Accelerationb) Velocityc) Forced) All of above
19. If a body fall free under gravity, the gravitational acceleration will be equal toa) 9.8 m/s²b) -9.8 m/s²c) -8.9 m/s²d) none of above
20. Multistage centrifugal pump are used to givea) high dischargeb) high headc) all of aboved) none of above
21. The temperature at which the volume of the gas theoretically become zero is calleda) absolute zerob) absolute zero temperaturec) freezing pointd) boiling point
22. A vessel used for producing steam is called.a) Turbine b) Boilerc) Condenserd) Steam ejector
23. (a +2b) ² =a) a² + b² +2abb) a² + 4b² +8abc) a² +4b² +4abd) a² +b² -4ab
24. if A and B be two matrices such that A= and B = the “A-1=B”
a) the statement is false because inverse of 3*2 matrix is not possibleb) the statement is false because A-1 has some other value than the given abovec) the statement may be false or true depending upon the values of a,b and x,yd) the statement is truee) none of above
25. A swimmer can swim with an average speed of 9 km/h in still water. What would be his net speed, if he crossing a river flowing at 20 km/h. trying in swim straight along the breadth of the river.
a) about 22 Km/hb) exactly 20 Km/hc) about 18 Km/hd) none of above
26. Two 200 W bulbs have been connected in series with each other. What would be the power of each bulb now?
a) 100 Wb) 200 Wc) 50 Wd) 400 We) none of the above
27. The unit of solid angle isa) solid angleb) radianc) sic radiand) candelae) none of above
28. LPG stands fora) Liquid petroleum gasb) Low performance gasc) None of above
29. A speaks truth in 75 percent cases. Bin 80 percent of the cases. In what percentage of cases they likely to contradict each other in narrating same incident.
a) 35) 10c) 25d) 45e) none of above
30. A moving coil galvanometer can be used as an ammeter by adding.a) A series resistance with its coilb) a parallel resistance with its coilc) a diode in series with its coild) a diode with parallel with its coil
31. Thermal parameters can measured by a) RTDb) Thermocouplec) Bi-metallic stripd) All of above
32. The working of thermocouple is based upon the principle calleda) See back effectb) Newton’s lawc) Thomson effectd) Photoelectric effect
33. For a liquid flowing through a tube, Bernoulli’s theorem at a point states that.a) Sum of pressure energy, P.E. and K.E are constantb) Sum of pressure energy, P.E. and K.E are variablec) P.E. and K.E are constant onlyd) None of above
34. The range of temperature on Kelvin scale can bea) -273º to 273ºb) 0º to 373ºc) 0º to 273ºd) -100º to 100º
35. Vacuum can be measured with the help of aa) pyrometerb) strip meterc) induction meterd) Borden gauge
36. Electromagnetic induction principle is employed in a) moving coil instrumentationb) Borden tubec) aneroid barometerd) flow venture
37. A galvanometer can be converted into a voltmeter by placinga) shunt resistance with its coilb) series resistance with its coilc) voltage can directly be measuredd) voltage can not be measured with the help of a galvanometer
38. A Geiger-Muller tube is used fora) flow rate measurement of gasesb) flow rate measurement of volatile liquidc) measurement of very high voltaged) detection of ionizing radiation
39. The arrangement of resistances (r1, r2, r3, r4) and a galvanometer (g) in figure is called.a) Kickoff’s apparatusb) Wheatstone bridgec) Wheat maible bridged) voltammeter