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Mechanical Engineering · Q1

Engineering Thermodynamics

Engineering and GATE · Mechanical Engineering · question 1

Q1

Addition of heat at constant pressure to a gas results in

A.
Raising its temperature
B.
Raising its pressure
C.
Raising its volume
D.
Raising its temperature and doing external work
Answer

Answer: Option D

Solution

Answer: Option D
Solution:
Addition of heat at constant pressure to a gas results in Raising its temperature and doing external work
When you heat a gas, both its vapor pressure and the volume it occupies increase. The individual gas particles become more energetic and the temperature of the gas increases.