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BPSC AE (ME) Quiz - 7

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Question 1

Which of the following is the most appropriate definition of an isolated system?

Question 2

The internal energy of an ideal gas is a function of ________.

Question 3

Match List-| (Type of thermometer) with List-|| (Thermometric property) and select the correct answer using the code given below the lists:
List-|
A) Mercury in glass
B) Thermocouple
C) Thermistor
D) Constant Volume gas
List-||
1) Pressure
2) Electrical resistance
3) Volume
4) Induced electric voltage

Question 4

PMM1 is closely related with _________.

Question 5

Figure below shows a system undergoing a reversible cycle during which it exchanges heat with 3 thermal reservoirs. Find the developed work

Question 6

A system of 100 kg mass undergoes a process in which its specific entropy increases from 0.3 kJ/kg K to 0.4 kJ/kg K. At the same time, the entropy of the surroundings decreases from 80 kJ/K to 75 kJ/K. The process is

Question 7

Joule-Thomson coefficient is the ratio of _______.

Question 8

The critical temperature for water is

Question 9

One kg of steam sample contains 0.8 kg dry steam; it's dryness fraction is

Question 10

1200kJ of heat is transferred at three different temperatures as listed below. Compare the availability at these temperatures if the dead state temperature is 300K.

a) 2000K

b) 1700K

c) 900K

d) 500K

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AE & JE Exams Mechanical Engineering

Aug 2AE & JE Exams