Deck 11: Temperature and Temperature-Related Parameters Temperature As a Fundamental Dimension

Question 1

Which of the following temperature scales is known as a relative scale?

A)Fahrenheit
B)Rankine
C)Kelvin
D)None of the above

Answer 1

A

Question 2

When using the ideal gas law, , what system of units should you use when entering temperature values?

A)Fahrenheit
B)Celsius
C)Kelvin
D)any of the above

Answer 2

C

Question 3

The physical quantity that provides a measure of molecular activity and the internal energy of an object is

A)density
B)temperature
C)viscosity
D)specific weight

Answer 3

B

Question 4

A temperature-measuring device that consists of two dissimilar metals is known as a

A)Thermocouple
B)Thermistor
C)Thermojunction
D)RTD

Question 5

Which of the following material properties varies with temperature?

A)density
B)viscosity
C)electrical resistance
D)all of the above

Question 6

On its own, heat flows from hot objects to cold objects.
a.True

Question 7

Temperature is a macroscopic measurement of a microscopic phenomenon.

Question 8

On its own, temperature flows from hot objects to cold objects.

Question 9

What does V stand for in the following equation? $$P V = m R T$$

A)Volume
B)Velocity
C)Voltage
D)Viscosity

Question 10

Which of the following temperature scales is known as an absolute scale?

A)Fahrenheit
B)Celsius
C)Centigrade
D)Kelvin

Question 11

Temperature is a fundamental dimension.

Question 12

The physical quantity that quantifies or provides a measure of how active molecules are on a microscopic level is

A)density
B)temperature
C)viscosity
D)specific weight

Question 13

Question 14

What does P stand for in the following equation? $$P V = m R T$$

A)Pounds
B)Pressure
C)Power
D)Permeability

Question 15

A temperature-measuring device composed of a semiconductor material is known as a

A)Thermocouple
B)Thermistor
C)Thermojunction
D)RTD

Question 16

Which of the following is NOT a mode of heat transfer?

A)transposition
B)convection
C)radiation
D)conduction

Question 17

The temperature in this room is $22 ^ { \circ } \mathrm { C }$ .The temperature outside the building is $- 6 ^ { \circ } \mathrm { C }$ .What is the temperature difference in kelvins?

A)11 K
B)16 K
C)22 K
D)28 K

Question 18

Thermometers use varying physical properties to measure temperature.Which of the following variable physical properties are utilized in thermometers?

A)density
B)electrical resistance
C)color
D)all of the above

Question 19

What does T stand for in the following equation? $$P V = m R T$$

A)Time
B)Period
C)Torque
D)Temperature

Question 20

A $1 ^ { \circ }$ temperature difference in Celsius is equal to a $1 ^ { \circ }$ temperature difference in kelvin.

Question 21

You wish to heat a glass of water to make a cup of tea.How much energy is needed to raise
the temperature of 500ml of tap water from ?

Question 22

In general, as the temperature of a material is increased, the material's length will

A)increase
B)decrease
C)remain the same

Question 23

The amount of heat required to raise the temperature of 1g of water by 1°C is known as a

A)Btu
B)calorie
C)Calorie
D)Joule

Question 24

Before taking a bite of a piece of hot pizza you blow on it to cool it off by transferring heat out of the pizza.What mode of heat transfer is responsible for this?

A)conduction
B)convection
C)radiation
D)none of the above

Question 25

Most conventional fuels that we use today to generate power come from coal, natural gas, oil,
or gasoline.

Question 26

The physical measurement that is intended to account for the combined effect of wind speed and air temperature is known as

A)Dew point
B)Ambient conditions
C)Wind chill index
B)Relative temperature

Question 27

A unit commonly used to express the metabolic rate for an average person under sedentary conditions is called

Question 28

The term that is used to quantify the amount of energy that is released when a unit mass or a unit volume of fuel is burned is known as

A)heating value
B)specific heat
C)specific mass
D)specific volume

Question 29

If you stay out to long at the beach you may get a sunburn as a result of too much heat being transferred to your skin.What mode of heat transfer is responsible for this?

A)conduction
B)convection
C)radiation
D)none of the above

Question 30

What is the SI unit of energy?

A)calorie
B)Watt
C)Btu
D)Joule

Question 31

A unit that is generally used to express the insulating value of clothing is called

Question 32

The physical quantity that provides a quantitative way to show how much thermal energy is required to raise the temperature of an object by a certain amount is

A)thermal conductivity
B)specific heat
C)specific weight
D)density

Question 33

In general, as the temperature of a material is increased, the material's volume will

A)increase
B)decrease
C)remain the same

Question 34

When you touch a hot stove with your finger you get burned by the heat transferred to your finger.What mode of heat transfer is responsible for this?

A)conduction
B)convection
C)radiation
D)none of the above

Question 35

Calculate the specific heat of water?

Question 36

The mode of heat transfer that occurs when a fluid in motion comes into contact with a solid surface whose temperature differs from the moving fluid is known as

A)conduction
B)convection
C)radiation
D)none of the above

Question 37

The mode of heat transfer that occurs when a temperature difference exists in a medium is known as

A)conduction
B)convection
C)radiation
D)none of the above

Question 38

How much energy is required to raise the temperature of 3kg of aluminum from to ?

Question 39

A steel bridge is 180 m long when the temperature is By how much will its length
increase when the temperature is 37.8°C? (Steel has a coefficient of linear expansion of

Question 40

The mode of heat transfer that occur through electromagnetic waves is known as

A)conduction
B)convection
C)radiation
D)none of the above

Question 41

The energy released by fuel when the combustion by-products include water in vapor form is known as the

A)higher heating value
B)lower heating value
C)all of the above
D)none of the above

Question 42

A simple procedure commonly used to estimate monthly and annual energy consumptions to heat a building is

A)degree days
B)heating days
C)temperature days
D)energy days