Psychrometry MCQs : This section focuses on the "Psychrometry". These Multiple Choice Questions (MCQs) should be practiced to improve the Psychrometry skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.
Question 1
Is dew point same as wet bulb?
A. TRUE
B. FALSE
Question 2
What is another name for humidity ratio?
A. Mixing ratio
B. Water ratio
C. Relative humidity ratio
D. Bound water ratio
Question 3
What is dew point depression?
A. Difference between dry bulb temperature and dew point temperature of air
B. Difference between wet bulb temperature and dew point temperature of air
C. Difference between relative humidity and dew point temperature of air
D. Difference between wet bulb depression and dew point temperature of air
Question 4
What is psychometric chart?
A. It is the graphical representation of thermodynamic properties
B. It is the graphical representation of chemical properties
C. It is the graphical representation of drying properties
D. It is the graphical representation of mechanical properties
Question 5
What is wet bulb depression?
A. Difference between dry bulb temperature and wet bulb temperature at any point
B. Difference between relative humidity and wet bulb temperature at any point
C. Difference between dew point and wet bulb temperature at any point
D. Difference between dry bulb temperature and dew point temperature at any point
Question 6
Which lines indicate dry bulb temperatures in the psychometric chart?
A. Diagonals lines
B. Vertical lines
C. Horizontal lines
D. Curves
Question 7
Which lines indicate relative humidity in the psychometric charts?
A. Diagonals lines
B. Vertical lines
C. Horizontal lines
D. Curves
Question 8
Which lines indicate wet bulb temperatures in the psychometric charts?
A. Diagonals lines
B. Vertical lines
C. Horizontal lines
D. Curves
Question 9
Who invented the psychometric chart?
A. Dr Richard Seligman
B. George Babcock
C. George Brayton
D. Willis H. Carrier
Question 10
Who invented the sling psychrometrer?
A. Sir John Leslie
B. Leonardo da Vinci
C. George Babcock
D. George Brayton
Question 11
What does dry bulb temperature mean?
A. Temperature of mixture
B. Steady state temperature attained by a wet bulb thermometer
C. Temperature attained when a gas is saturated with moisture in an adiabatic process
D. The temperature of air having no moisture
Question 12
What does the term absolute humidity mean?
A. Moisture content of a gas by mass
B. Moisture content of a gas by moles
C. Ratio of humidity to humidity at saturation
D. Temperature at which moisture begins to condense when it is cooled
Question 13
What does the term adiabatic saturation temperature refer to?
A. Specific heat of moisture gas mixture per unit mass of moisture free gas
B. Volume of moisture gas mixture per unit mass of moisture free gas
C. Enthalpy of moisture gas mixture per unit mass of moisture free gas
D. Temperature attained when a gas is saturated with moisture in an adiabatic process
Question 14
What does the term humid heat refer to?
A. Specific heat of moisture gas mixture per unit mass of moisture free gas
B. Volume of moisture gas mixture per unit mass of moisture free gas
C. Enthalpy of moisture gas mixture per unit mass of moisture free gas
D. Temperature attained when a gas is saturated with moisture in an adiabatic process
Question 15
What does the term humid volume refer to?
A. Specific heat of moisture gas mixture per unit mass of moisture free gas
B. Volume of moisture gas mixture per unit mass of moisture free gas
C. Enthalpy of moisture gas mixture per unit mass of moisture free gas
D. Temperature attained when a gas is saturated with moisture in an adiabatic process
Question 16
What does the term molal humidity mean?
A. Moisture content of a gas by mass
B. Moisture content of a gas by moles
C. Ratio of humidity to humidity at saturation
D. Temperature at which moisture begins to condense when it is cooled
Question 17
What does the term percent saturation mean?
A. Moisture content of a gas by mass
B. Moisture content of a gas by moles
C. Ratio of humidity to humidity at saturation
D. Temperature at which moisture begins to condense when it is cooled
Question 18
What does the term total enthalpy refer to?
A. Specific heat of moisture gas mixture per unit mass of moisture free gas
B. Volume of moisture gas mixture per unit mass of moisture free gas
C. Enthalpy of moisture gas mixture per unit mass of moisture free gas
D. Temperature attained when a gas is saturated with moisture in an adiabatic process
Question 19
What does wet bulb temperature mean?
A. Temperature of mixture
B. Steady state temperature attained by a wet bulb thermometer
C. Temperature attained when a gas is saturated with moisture in an adiabatic process
D. The temperature of air having no moisture