Applied Thermodynamics (3161910) MCQs

MCQs of Psychrometry

Showing 51 to 50 out of 60 Questions
51.
During sensible cooling of air __________remains constant.
(a) dew point temperature
(b) specific humidity
(c) dry bulb temperature
(d) both A and B
Answer:

Option (d)

52.
The dry bulb temperature during sensible cooling of air
(a) remains constant
(b) increases
(c) decreases
(d) first increases then decreases
Answer:

Option (c)

53.
The wet bulb temperature during sensible heating of air
(a) remains constant
(b) increases
(c) decreases
(d) first increases then decrease
Answer:

Option (b)

54.
The humidification process on the psychrometric chart is shown by
(a) horizontal line
(b) vertical line
(c) inclined line
(d) curved
Answer:

Option (b)

55.
The specific humidity during dehumidification process
(a) remains constant
(b) increases
(c) decreases
(d) first increases then decreases
Answer:

Option (c)

56.
The moisture content during cooling and dehumidification process
(a) remains constant
(b) decreases
(c) increases
(d) none of these
Answer:

Option (b)

57.
Sensible heat factor is given by (where S.H. = Sensible Heat and L.H. = Latent Heat)
(a) S.H/(S.H + L.H)
(b) (S.H + L.H) /S.H
(c) (L.H - S.H)/S.H
(d) S.H/(L.H - S.H)
Answer:

Option (a)

58.
If sensible heat factor zero, then it indicates
(a) no sensible heat transfer
(b) no latent heat transfer
(c) both sensible and latent heat transfer
(d) neither sensible nor latent heat transfer
Answer:

Option (a)

59.
Sensible heat factor during pure sensible cooling is
(a) 0
(b) 0.5
(c) 1
(d) between 0 to 1
Answer:

Option (c)

60.
An air washer can work as a
(a) humidifier
(b) dehumidifier
(c) filter
(d) all of the above
Answer:

Option (d)

Showing 51 to 50 out of 60 Questions