Question 1 : Ratio heat transferred from 37^oC to a colder body and from that body to - 11^oC is 2, what is the temperature of colder body if surface areas are same for all bodies?
1. – 5^oC
2. – 3^oC
3. 5^oC
4. 9^oC
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Question 2 : Temperature of a system is increased with no change in internal energy, if the work done by the system is 10 Joule, what amount of heat is taken out from the system?
1. 10 J
2. - 10 J
3. 0
4. 5 J
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Question 3 : Q amount of heat is transferred to a system, which of the following is correct?
1. Q > 0
2. Q < 0
3. Q = 0
4. Cannot say
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Question 4 : Q amount of heat is transferred in an adiabatic process, which of the following is correct?
1. Q > 0
2. Q = 0
3. Q < 0
4. Cannot say
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Question 5 : You shake a thermos so that the temperature of tea inside increases by 2^oC, if you transferred Q amount of heat to the thermos, which of the following satisfies Q?
1. Q > 0
2. Q < 0
3. Q = 0
4. Cannot say
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Question 6 : A piston cylinder expands from 8 liter to 12 liter with the external pressure of 900 Pa, what is the work done on the system?
1. 3.6 Joule
2. - 3.6 Joule
3. 7.2 Joule
4. - 7.2 Joule
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Question 7 : A piston cylinder expands from 7 liter to 15 liter with the external pressure of 500 Pa, what is the work done by the system?
1. – 1.5 Joule
2. – 4 Joule
3. 1.5 Joule
4. 4 Joule
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Question 8 : A piston cylinder contracts from 10 Liter to 5 Liter with an external pressure of 10 Pa, what is the work done on the system?
1. 0.5 mJ
2. 5 mJ
3. 10 mJ
4. 50 mJ
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Question 9 : A piston cylinder expands with some pressure, what is the work done by the system?
1. Positive
2. Negative
3. Zero
4. Cannot Say
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Question 10 : A piston cylinder is compressed with some pressure, what is the work done on the system?
1. Positive
2. Negative
3. Zero
4. Cannot say
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