Psychrometry - Humidification and Dehumidification Online Exam Quiz
Psychrometry - Humidification and Dehumidification GK Quiz. Question and Answers related to Psychrometry - Humidification and Dehumidification. MCQ (Multiple Choice Questions with answers about Psychrometry - Humidification and Dehumidification
During humidification process the dry bulb temperature ___
Options
A : increases
B : decreases
C : tends to zero
D : remains the same
During the sensible cooling process, specific humidity decreases.
Options
A : TRUE
B : FALSE
C : -
D : -
In order to cool and dehumidify a stream of moist air, it must be passed over the coil at a temperature between DBT and WBT.
Options
A : TRUE
B : FALSE
C : -
D : -
The minimum temperature to which moist air can be cooled under ideal conditions in a spray washer is ___
Options
A : DPT of inlet air
B : Water inlet temperature
C : WBT of inlet air
D : Water outlet temperature
What is the relation between DBT and WBT if the relative humidity is 100%?
Options
A : DBT = WBT
B : DBT > WBT
C : DBT ? WBT
D : DBT < WBT
What is the value of Latent heat transfer in a process of humidification having hfg = 10 kJ / kg of dry air, W1 = 0.0071 kJ / kg of dry air and W2 = 0.0017 kJ / kg of dry air?
Options
A : 0.054
B : 0.0054
C : 0.54
D : 5.4
What is the value of Latent heat transfer in the process of dehumidification having enthalpies as 19.45 and 13.67 kJ/ kg of dry air respectively?
Options
A : 5.78
B : -5.78
C : 33.12
D : -33.12
What is the value of Latent heat transfer in the process of humidification having enthalpies as 20 and 40 kJ / kg of dry air respectively?
Options
A : 60
B : 40
C : -20
D : 20
Which of the following denotes dehumidification process on the psychrometric chart?
Options
A : A horizontal line with an arrow towards the right
B : Vertical line with arrow upwards
C : A horizontal line with an arrow towards the right
D : Vertical line with arrow downwards
Which of the following denotes Humidification process on the psychrometric chart?
Options
A : A horizontal line with an arrow towards right
B : Vertical line with arrow upwards
C : Horizontal line with an arrow towards right
D : Vertical line with arrow downwards
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