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Mining Engineering · Q99

Mine Ventilation

Engineering and GATE · Mining Engineering · question 99

Q99

In order to estimate the NVP in a mine, measurements are made at the main fan as shown below. Fan speed (RPM) Fan drift pressure (Pa) Fan quantity (m3/s) 800 655 82.2 950 730 85.5 The NVP in Pa is

In order to estimate the NVP in a mine, measurements are made at the main fan as shown below.
Fan speed (RPM) Fan drift pressure (Pa) Fan quantity (m3/s)
800 655 82.2
950 730 85.5
The NVP in Pa is
A.
156.84
B.
256.84
Answer
C.
236.84
D.
246.84

Answer: Option B

Solution

Answer: Option B
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