Drilling And Blasting - Study Mode
[#656] . . . . . . . . . has effect of reducing the air flowing in regulated split, same time increasing the volume of air flow in . . . . . . . . split.
Correct Answer
(B) Regulator, unregulated
[#657] Reversal of ventilation is easy in . . . . . . . . fan.
Correct Answer
(B) Air screw
[#658] The smaples are collected in sampling bottles which are by . . . . . . . . and . . . . . . . .
Correct Answer
(A) Vaccum sealed, water displacement
[#659] At 273.15K (°C) enthalpy of air will be
Correct Answer
(A) 0
[#660] Minimum thickness of ventilation stopping is . . . . . . . .
Correct Answer
(C) 38 cm