Book 3: 3-08 - Introduction to Thermodynamics: Flashcards
The specific heat of ice is equal to:
Select one:
A. 4.183 kJ/kg/°C
B. 2.135 kJ/kg/°C
C. 335 kJ/kg
D. 2.093 kJ/kg/°C
E. 2257 kJ/kg
B. 2.135 kJ/kg/°C
All substances - whether solid, liquid or gas - as heat is added or absorbed will:
Select one:
A. Expand
B. Drop in temperature
C. Loose thermal energy
D. Change state
E. Contract
A. Expand
The transfer of thermal energy applicable to fluids and gases by the action of movement or flow is termed:
Select one:
A. Convection
B. Endothermic
C. Conduction
D. Radiation
E. Exothermic
A. Convection
The transfer of thermal energy in straight lines not affected by gases or wind movement and heats the objects struck is termed:
Select one:
A. Conduction
B. Radiation
C. Exothermic
D. Endothermic
E. Convection
B. Radiation
Specific heat can be defined as the amount of heat required to raise 1 kg of a substance:
Select one:
A. 1°R
B. 1°F
C. 1°C
D. 10°C
E. 10°F
C. 1°C
The latent heat of fusion of ice is equal to:
Select one:
A. 2.093 kJ/kg/°C
B. 335 kJ/kg
C. 2257 kJ/kg
D. 4.183 kJ/kg/°C
E. 2.135 kJ/kg/°C
B. 335 kJ/kg
The unit of heat in the SI system is the:
Select one:
A. Horse power (hp)
B. Joule (J)
C. Newton (N)
D. Volt (V)
E. Watt (W)
B. Joule (J)
The units of temperature measurement are degrees in the SI system the scale used for normal measurement is:
Select one:
A. Celsius
B. Fahrenheit
C. Kelvin
D. Rankin
E. Absolute
A. Celsius
On the Rankine scale 0° (absolute zero) is equal to _____ on the Fahrenheit scale.
Select one:
A. -273°
B. -32°
C. 212°
D. -460°
E. 0°
D. -460°
The standard _____ is used to obtain Relative Density when comparing other solids and liquids.
Select one:
A. Oil
B. Carbon dioxide
C. Air
D. Alcohol
E. Water
E. Water
The specific heat of water is equal to:
Select one:
A. 335 kJ/kg
B. 2.135 kJ/kg/°C
C. 2.093 kJ/kg/°C
D. 2257 kJ/kg
E. 4.183 kJ/kg/°C
E. 4.183 kJ/kg/°C
The term used to describe the fluid-to-gas change of state during the addition of heat is:
Select one:
A. Latent heat of condensation
B. Latent heat of evaporation
C. Latent heat of fusion
D. Latent heat of solidification
E. Latent heat of plasma
B. Latent heat of evaporation
At this level, matter should be considered to include all of the following except:
Select one:
A. Have no physical properties
B. Have mass
C. Be solid or liquid or gas
D. Occupy space
E. Have chemical properties
A. Have no physical properties
Ice, once formed:
Select one:
A. Expands as it loses temperature
B. Expands as it gains temperature
C. Cannot gain any more heat
D. Contracts as it loses temperature
E. Cannot loose any more heat
A. Expands as it loses temperature
The Celsius scale considers the boiling point of water to be:
Select one:
A. 212°
B. 0°
C. 200°
D. 100°
E. 32°
D. 100°
The amount of length increase of a material depends on the:
Select one:
A. Length of time exposed
B. Method of construction
C. Atmospheric pressure
D. Temperature change
E. Relative humidity
D. Temperature change
The term used to describe the solid-to-fluid change of state during the addition of heat is:
Select one:
A. Latent heat of condensation
B. Latent heat of evaporation
C. Latent heat of solidification
D. Latent heat of plasma
E. Latent heat of fusion
E. Latent heat of fusion
If more heat is continuously added to steam at 100°C the temperature will increase producing _____ steam.
Select one:
A. Superheated
B. Entropy
C. Over heated
D. Enthalpy
E. Hot
A. Superheated
As heat is added to a liquid its temperature will:
Select one:
A. Remain constant during a phase change
B. Remain the same
C. Decrease continually
D. Remain unchanged
E. Increase continually
A. Remain constant during a phase change
The term used to describe the gas-to-fluid change of state during the extraction of heat is:
Select one:
A. Latent heat of plasma
B. Latent heat of evaporation
C. Latent heat of condensation
D. Latent heat of fusion
E. Latent heat of solidification
C. Latent heat of condensation
The Fahrenheit scale considers the boiling point of water to be:
Select one:
A. 212°
B. 0°
C. 32°
D. 100°
E. 200°
A. 212°
The term used to describe the solid-to-fluid change of state during the addition of heat it:
Select one:
A. Latent heat of condensation
B. Latent heat of plasma
C. Latent heat of fusion
D. Latent heat of solidification
E. Latent heat of evaporation
C. Latent heat of fusion
If the pressure is 100 kPa absolute the 1 litre of water will become about ____ litres of steam.
Select one:
A. 460
B. 129 000
C. 1695
D. 335
E. 2257
C. 1695
The units of temperature measurement are degrees in the SI system the scale used for normal measurement is:
Select one:
A. Kelvin
B. Fahrenheit
C. Absolute
D. Celsius
E. Rankin
D. Celsius
