Short Quiz

Questions

1. What do you call the parameter characterizing the ability of a material to serve as a medium for transmitting heat?

A. Thermal Diffusivity

B. Thermal Expansion

C. Thermal Conductivity

D. Thermal Shock Resistance

2. The same energy Q enters four different substances as heat. Based on the given information, determine which substance has the greatest specific heat capacity?

A. The temperature of 3 g of substance A increases by 10 Kelvin.

B. The temperature of 4 g of substance B increases by 4 Kelvin.

C. The temperature of 6 g of substance C increases by 15 Kelvin.

D. The temperature of 8 g of substance D increases by 6 Kelvin.

3. The “triple point” of a substance is that point for which the temperature and pressure are such that:

A. only solid and liquid are in equilibrium

B. only liquid and vapor are in equilibrium

C. only solid and vapor are in equilibrium

D. solid, liquid, and vapor are all in equilibrium

4. Polymers have significantly higher coefficient of thermal expansion as compared to metals. This means that for equal change in temperature and equal original dimension, polymers

A. will heat up faster than metals.

B. are more massive than metals.

C. will elongate more than metals.

D. require more heat to expand than metals.

5. Which among the following materials has the highest thermal conductivity?

A. Metal

B. Polymer

C. Ceramic

D. Conducting Polymer

Answers

1. What do you call the parameter characterizing the ability of a material to serve as a medium for transmitting heat?

A. Thermal Diffusivity

B. Thermal Expansion

C. Thermal Conductivity

D. Thermal Shock Resistance

ANSWER: C

2. The same energy Q enters four different substances as heat. Based on the given information, determine which substance has the greatest specific heat capacity?

A. The temperature of 3 g of substance A increases by 10 Kelvin.

B. The temperature of 4 g of substance B increases by 4 Kelvin.

C. The temperature of 6 g of substance C increases by 15 Kelvin.

D. The temperature of 8 g of substance D increases by 6 Kelvin.

ANSWER: B

3. The “triple point” of a substance is that point for which the temperature and pressure are such that:

A. only solid and liquid are in equilibrium

B. only liquid and vapor are in equilibrium

C. only solid and vapor are in equilibrium

D. solid, liquid, and vapor are all in equilibrium

ANSWER: D

4. Polymers have significantly higher coefficient of thermal expansion as compared to metals. This means that for equal change in temperature and equal original dimension, polymers

A. will heat up faster than metals.

B. are more massive than metals.

C. will elongate more than metals.

D. require more heat to expand than metals.

ANSWER: C

5. Which among the following materials has the highest thermal conductivity?

A. Metal

B. Polymer

C. Ceramic

D. Conducting Polymer

ANSWER: A