Psychrometry - Heating and Cooling Factor - 2 Online Exam Quiz
Psychrometry - Heating and Cooling Factor - 2 GK Quiz. Question and Answers related to Psychrometry - Heating and Cooling Factor - 2. MCQ (Multiple Choice Questions with answers about Psychrometry - Heating and Cooling Factor - 2
For given conditions, td1 = 288 K, td2 = 301 K and td3 = 314 K, the value of by-pass factor and contact factor is equal.
Options
A : TRUE
B : FALSE
C : -
D : -
Higher the value of contact factor, poor is the performance of the coil.
Options
A : TRUE
B : FALSE
C : -
D : -
If the value of BPF for one row of the coil is 0.4, then what is the value of BPF for 12 similar rows?
Options
A : 0.00000167
B : 0.0000167
C : 0.00167
D : 0.000167
What is the contact factor for cooling coil, if td1 = 44?C, td2 = 26?C and td3 = 19?C?
Options
A : 0.62
B : 0.72
C : 0.78
D : 0.18
What is the contact factor for heating coil, if td1 = 11?C, td2 = 32?C and td3 = 47?C?
Options
A : 0.5833
B : 0.4833
C : 0.7833
D : 0.1833
What is the efficiency of the coil, if BPF = 0.6913?
Options
A : 1.6913
B : 0.4467
C : 0.3087
D : 1.4467
What is the value of BPF, if U = 1.9 W/m2 K, Ac = 1.1 m2 and ma = 0.97 kg?
Options
A : 0.14
B : 0.12
C : 0.13
D : 0.15
What is the value of logarithmic mean temperature if td1 = 300 K, td2 = 400 K and BPF = 0.75?
Options
A : 70?C
B : 79?C
C : 85?C
D : 75?C
What is the value of sensible heat given out by the coil, if U = 198 W/m2 K, Ac = 11 m2 and tm = 0?C?
Options
A : 1
B : 0
C : 594594
D : 543636
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