Psychrometry - By-Pass Factor Online Exam Quiz
Psychrometry - By-Pass Factor GK Quiz. Question and Answers related to Psychrometry - By-Pass Factor. MCQ (Multiple Choice Questions with answers about Psychrometry - By-Pass Factor
Air being passed by not being in contact with the coil known to be measured as BPF.
Options
A : TRUE
B : FALSE
C : -
D : -
If the value of BPF for one row of a coil is y then what is the value of BPF for n similar rows?
Options
A : n / y
B : n + y
C : (y)n
D : n x y
What is the By-pass factor for cooling coil, if td1 = temperature at entry, td2 = temperature at exit and td3 = coil temperature?
Options
A : td3 ? td1 / td3 ? td1
B : td3 ? td2 / td3 ? td1
C : td3 ? td2 / td2 ? td1
D : td2 ? td3 / td1 ? td3
What is the By-pass factor for heating coil, if td1 = temperature at entry, td2 = temperature at exit and td3 = coil temperature?
Options
A : td3 ? td1 / td3 ? td1
B : td3 ? td2 / td3 ? td1
C : td3 ? td2 / td2 ? td1
D : td3 ? td2 / td1 ? td2
What is the formula of logarithmic mean temperature in terms of By-pass factor?
Options
A : Tm = td2 ? td1 / loge [1/BPF]
B : Tm = td2 ? td1 / log10 [BPF]
C : Tm = td2 ? td1 / loge [BPF]
D : Tm = td2 ? td3 / loge [BPF]
What is the value of sensible heat given out by the coil?
Options
A : U Ac tm
B : U Ac
C : U tm
D : U Ac2 tm
Comfort Air-Conditioning more Online Exam Quiz
Comfort Conditions - Factors Affecting Optimum Effective Temperature
Psychrometry - Adiabatic Mixing of Two Streams
Psychrometry - Heating and Cooling Factor - 1
Psychrometry - Heating and Cooling Factor - 2
Psychrometry - Humidification and Dehumidification