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Recently added practice questions

10921. At very low frequencies a series R-C circuit behaves as almost purely___________?
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A. resistive

B. none of the above

C. capacitive

D. inductive

10922. At the time of Kargil in 1999 the Chief of Army Staff was _________ ?
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A. General Waheed Kakar

B. General Jahangir Karamat

C. General Aslam Baig

D. General Parvez Musharaf
10923. At the time of her death, Queen Elizabeth II was also Queen of _________ Commonwealth realms.
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A. 12

B. 15

C. 17

D. 10

10924. At the same gas flow rate, the pressure drop in a packed tower being irrigated with liquid _______________ that in dry packed tower ?
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A. Is same as

B. Is greater than

C. Cannot be predicted as data are insufficient

D. Is lower than

10925. At the end of three years what will be the compound interest at the rate of 10% p.a. on an amount of Rs.20000?
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A. Rs.6400

B. Rs.6620

C. Rs.6500

D. Rs.6800

10926. At series resonance, voltage across L is____________voltage across C?
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A. Less than but in phase with

B. Greater than but in phase with

C. Equal to but opposite in phase to

D. Equal to but in phase with

10927. At series resonance, the phase angle between applied voltage and circuit is______________?
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A. 90o

B. 180o

C. 0o

D. None of the above

10928. At series or parallel resonance, the circuit power factor is ________________?
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A. 5

B. 1

C. 0

D. 8

10929. At present time people involved in raising livestock are _________________________?
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A. 17.6 million

B. 7.9 million

C. 17.2 million

D. 18 million

10930. At normal boiling point, molar entropy of vaporisation is _____________ Joule/K.mole?
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A. 192

B. 72

C. 92

D. 142

10931. At night, Plants intake __________ and release __________?
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A. None of theseCarbon monoxide Oxygen

B. Oxygen Carbon dioxide

C. Oxygen Carbon monoxide

D. Carbon dioxide Oxygen

10932. At minimum reflux ratio for a given separation__________________?
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A. Number of plates is infinity

B. Number of plates is zero

C. Separation is most efficient

D. Minimum number of the theoretical plates is required

10933. At lower temperatures and pressures, the latent heat of vaporisation of a refrigerant_________________?
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A. remains same

B. depends on other factors

C. none of the above

D. decreases

E. increases
10934. At low value of power factor, the cost of generation of a power station will be____________?
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A. low

B. high

C. none of the above

D. remain same

10935. At higher temperature, molal heat capacities of most of the gases (at constant pressure) ____________ with increase in temperature?
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A. Increases linearly

B. Remains unchanged

C. Increases

D. Decreases

10936. At high Reynolds number_________________?
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A. Inertial forces control and viscous forces are unimportant

B. Viscous forces predominate

C. Inertial forces are unimportant and viscous forces control

D. None of these

10937. At equal mass velocities, the values of film co-efficients for gases as compared to that for liquids are generally ?
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A. Lower

B. Higher

C. Unpredictable

D. Same

10938. At critical point, i.e. p=225.65 kg/cm2, the latent enthalpy of vaporisation is______________?
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A. minimum

B. none of the above

C. zero

D. depends on temperature also

E. maximum

10939. At constant temperature, the thermal conductivities of gases _____________ with rise in pressure?
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A. Decrease

B. May increase or decrease; depends on the pressure

C. Remain unchanged

D. Increase

10940. At constant temperature the pressure of an ideal gas is doubled its density becomes_______________?
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A. Same

B. Double

C. None

D. Half

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