Thermodynamics (BITSAT Physics): Questions 8 - 11 of 11

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Question number: 8

» Thermodynamics » Work in Thermodynamic Process and PV Diagrams

MCQ▾

Question

The first operation involved in a Carnot cycle is

Choices

Choice (4) Response

a.

Isothermal compression

b.

Adiabatic compression

c.

Adiabatic expansion

d.

Isothermal expansion

Question number: 9

» Thermodynamics » Laws of Thermodynamics » First Law of Thermodynamics

MCQ▾

Question

If the heat of 110J is added to a gaseous system, whose internal energy is 40J , then the amount of external work done is

Choices

Choice (4) Response

a.

80J

b.

115J

c.

140J

d.

70J

Question number: 10

» Thermodynamics » Concept of Temperature

MCQ▾

Question

If a thermometer reads freezing point of water as 20oC and boiling point as 150oC, how much thermometer read when the actual temperature is 60oC?

Choices

Choice (4) Response

a.

110oC

b.

60oC

c.

40oC

d.

98oC

Question number: 11

» Thermodynamics » Concept of Temperature

MCQ▾

Question

When the atmospheric temperature becomes nearly equal to the dew point, then

Choices

Choice (4) Response

a.

Relative humidity is 90%

b.

Relative humidity is 100%

c.

Relative humidity is 50%

d.

Nothing can be said

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