3A1 chapter 9 questions with complete solutions

3A1 chapter 9 questions with complete
solutions

1. With the exception of water all liquids expand _____ to temperature change when heated.

a. Directly proportional

b. Faster

c. Inversely proportional

d. Slower

e. Exponentially. - correct answer ✔✔a



. The change in length per unit length per degree rise in temperature is known as the:

a. Specific heat

b. Coefficient of linear expansion

c. Coefficient of conductivity

d. Latent heat of fusion

e. Latent heat of evaporation. - correct answer ✔✔b



The coefficient of expansion for gases is practically the same for different gases and is:

a. Lower as the volume increases

b. Different for different temperatures

c. Never the same for different temperatures

d. Greater as the volume increases

e. Practically the same for different temperatures. - correct answer ✔✔e



4. The amount of increase in area of each surface will depend on the:

a. Rate of thermal conductivity

b. Time allowed for heating

, c. Coefficient of surface expansion

d. Change of thickness of the material

e. Specific heat. - correct answer ✔✔c



Heat transfer due to movement of a fluid is called:

a. Sublimation

b. Convection

c. Radiation

d. Sensible heat

e. Conduction. - correct answer ✔✔b



6. When water is cooled _____ it will expand and become less dense.

a. Below 32F

b. Below 0C

c. Below -4C

d. Below 4C

e. Below -4F. - correct answer ✔✔d



7. Expansion will result in an increase in a body's surface as well as its:

a. Temperature

b. Coefficient

c. Volume

d. Pressure

e. Location. - correct answer ✔✔c



8. The coefficient of expansion for solids:

a. Is constant for all solids

b. Has the same result for all metals

c. Has no bearing on the volumetric expansion