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Mining Engineering · Q631

Drilling and Blasting

Engineering and GATE · Mining Engineering · question 631

Q631

Air lock doors are required to be arranged where pressureon the door is

A.
Less than 500 Pa
B.
More than 500 Pa
C.
Less than 250 Pa
D.
More than 250 Pa
Answer

Answer: Option D

Solution

Answer: Option D
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