1st Year Fsc Physics Online Test With Answers

image
image
image

1st Year Fsc Physics Online Test

Sr. # Questions Answers Choice
1 The efficiency of heat engine whose sink is at 17 oC and source at 200 oC is. 38% 63% 80% 90%
2 For working of heat engine, there must be A source A sink Ether of these Both of them
3 The efficiency of diesel engine is about 25 % to 30% 35% to 40% 40% to 50% 50% to 60%
4 No of spark plugs needed in the diesel engine are. 0 1 2 3
5 Which is an example of irreversible process. Explosion Evaporation Slow compression A chemical explosion
6 For a diatomic gas Cv= 5R/2 then gamma for this gas is. 5/7 4/35 7/5 35/4
7 The difference between tow molar capacities is equal to. Plank's constant General gas equation Molar gas constant Boltzmann constant
8 The work done is isochoric process is. Constant Variable Zero Depend upon condition
9 The difference between two molar capacities is equal to. Plank's constant General gas constant Molar gas constant Boltzmann constant
10 In the thermodynamics process , the equation W = -delta U represents. Isothermal expension Isothermal compression Adiabatic expansion Adiabatic compression
11 the work done in isochoric process is. Constant Variable Zero Depend upon condition
12 the change in internal energy is defined as Q - W Q-T Q + P Q - P
13 Entropy remains constant. Isothermal process Adiabatic process Isochoric process Isobaric process
14 Cloud formation in atmosphere is an example of. Isothermal process Isochoric process Adiabatic process Isobaric process
15 Which remains constant in an adiabatic process. Volume Pressure entropy temperature
16 Which is the process in which temperature of the system remains constant. Adiabatic process Isochoric process Isothermal process Isobaric process
17 Which one is true for isothermal process. Q = 0 W = 0 Q = W(D) Delta U = 0 None of these
Download This Set
×