Thermal Physics MCQs | STS IBA FPSC BPSC SPSC PPSC Mcqs Test Preparation
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Which type of heat transfer involves the movement of fluid or air?
A. Convection
B. Conduction
C. Radiation
D. Evaporation
Answer: Convection
Which term describes the amount of heat energy required to change the phase of a substance?
A. Latent heat
B. Specific heat
C. Sensible heat
D. Thermal conductivity
Answer: Latent heat
What is the process by which heat is transferred through a solid material?
A. Conduction
B. Convection
C. Radiation
D. Evaporation
Answer: Conduction
The specific heat of a gas at constant pressure is always:
A. Greater than at constant volume
B. Less than at constant volume
C. Equal to that at constant volume
D. Dependent on external pressure
Answer: Greater than at constant volume
In an adiabatic process, which of the following remains constant?
A. Heat
B. Temperature
C. Pressure
D. Entropy
Answer: Heat
Which statement is true for an isothermal process?
A. The temperature remains constant
B. The volume remains constant
C. The pressure remains constant
D. The entropy remains constant
Answer: The temperature remains constant
The ratio of heat absorbed by a system to the temperature change is called:
A. Heat capacity
B. Specific heat
C. Thermal conductivity
D. Latent heat
Answer: Heat capacity
Which of the following is a natural process that transfers heat?
A. Convection
B. Conduction
C. Radiation
D. All of the above
Answer: All of the above
Which term refers to the heat required to raise the temperature of a substance with no phase change?
A. Sensible heat
B. Latent heat
C. Radiant heat
D. Specific heat
Answer: Sensible heat