Application of the Psychrometric
Chart and Comfort Condition Exam
Questions and Answers12
The relative humidity should be maintained between
a) 50% and 80% during the winter
b) 20% and 60% during the winter
c) 40% and 75% during the summer
d) 25% and 60% during the summer
e) 30% and 70% during the summer and the winter - ANSWERS-e) 30% and 70% during the
summer and the winter
Effective temperature is defined as a measure of comfort which involves
a) the effects of relative humidity
b) the effects of air movement
c) the effects of dry-bulb temperature
d) the effects of wet-bulb temperature
e) all of the above - ANSWERS-e) all of the above
During the winter, the majority of people feel comfortable when the effective temperature is
between
a) 15 and 19 degrees C
b) 20.5 and 24 degrees C
c) 19 and 24 degrees C
d) 17.2 and 21.7 degrees C
, e) 16 and 19.5 degrees C - ANSWERS-d) 17.2 and 21.7 degrees C
During the summer, the majority of people feel comfortable when the effective temperature is
between
a) 17.2 and 21.7 degrees C
b) 16 and 19.5 degrees C
c) 15 and 19 degrees C
d) 21 and 25 degrees C
e) 19 and 24 degrees C - ANSWERS-e) 19 and 24 degrees C
Which of the following properties cannot be found on the psychrometric chart?
a) dewpoint temperature
b) partial pressure
c) specific humidity
d) enthalpy
e) relative humidity - ANSWERS-b) partial pressure
The intersection between the line running vertically from the point on the dry-bulb scale and
the downward diagonally running line from the wet-bulb scale is defined as
a) the Dewpoint temperature
b) the partial pressure
c) the reference point
d) the specific volume
e) the relative humidity - ANSWERS-c) the reference point
During sensible heating which of the following results is true?
a) dry-bulb temperature lowers
Chart and Comfort Condition Exam
Questions and Answers12
The relative humidity should be maintained between
a) 50% and 80% during the winter
b) 20% and 60% during the winter
c) 40% and 75% during the summer
d) 25% and 60% during the summer
e) 30% and 70% during the summer and the winter - ANSWERS-e) 30% and 70% during the
summer and the winter
Effective temperature is defined as a measure of comfort which involves
a) the effects of relative humidity
b) the effects of air movement
c) the effects of dry-bulb temperature
d) the effects of wet-bulb temperature
e) all of the above - ANSWERS-e) all of the above
During the winter, the majority of people feel comfortable when the effective temperature is
between
a) 15 and 19 degrees C
b) 20.5 and 24 degrees C
c) 19 and 24 degrees C
d) 17.2 and 21.7 degrees C
, e) 16 and 19.5 degrees C - ANSWERS-d) 17.2 and 21.7 degrees C
During the summer, the majority of people feel comfortable when the effective temperature is
between
a) 17.2 and 21.7 degrees C
b) 16 and 19.5 degrees C
c) 15 and 19 degrees C
d) 21 and 25 degrees C
e) 19 and 24 degrees C - ANSWERS-e) 19 and 24 degrees C
Which of the following properties cannot be found on the psychrometric chart?
a) dewpoint temperature
b) partial pressure
c) specific humidity
d) enthalpy
e) relative humidity - ANSWERS-b) partial pressure
The intersection between the line running vertically from the point on the dry-bulb scale and
the downward diagonally running line from the wet-bulb scale is defined as
a) the Dewpoint temperature
b) the partial pressure
c) the reference point
d) the specific volume
e) the relative humidity - ANSWERS-c) the reference point
During sensible heating which of the following results is true?
a) dry-bulb temperature lowers
