Absorption Interview Questions

Absorption interview questions

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Total Questions: 5

1. In order that the heat flows from one part of a solid to another part, what is required?

A. Uniform density

B. Temperature gradient

C. Density gradient

D. Uniform temperature

Correct Answer is : Temperature gradient

2. A body A of mass 0.5kg and specific heat 0.85 is at a temperature of 60°C. Another body B of mass 0.3kg and specific heat 0.9 is at a temperature of 90°C. When they are connected to a conducting rod, heat will flow from

A. A to B

B. Heat can’t flow

C. B to A

D. First A to B and then B to A

Correct Answer is : B to A

3. Two rods having thermal conductivity in the ratio of 5:3 having equal lengths and equal cross-sectional area are joined end to end. If the temperature of the free end of the first rod is 100°C and free end of the second rod is 20°C, then the temperature of the junction is

A. 50°C

B. 70°C

C. 60°C

D. 90°C

Correct Answer is : 70°C

4. Mud houses are cooler in summer and warmer in winter because

A. Mud is a good conductor of heat

B. Mud is a superconductor of heat

C. Mud is a bad conductor of heat

D. Mud can adapt according to temperature

Correct Answer is : Mud is a bad conductor of heat

5. A perfectly black body is one whose

A. Absorptive power is 1

B. Absorptive power is 0

C. Emissive power is 1

D. Absorptive power is 0.5

Correct Answer is : Absorptive power is 1

Absorption interview questions