Mining Engineering > GATE 2022 > Mine Ventilation
Identify the WRONG statement:
The application of controlled air recirculation in an underground work place can
A
increase the air velocity at the work place.
B
lead to increased concentration of contaminants in the work place.
C
require the installation of an additional fan in the system.
D
lead to overall ventilation cost savings.

Correct : b

Similar Questions

A rectangular mine airway of 2.0 m width and 2.5 m height has a bend with deflection of π/4 radian. If the radius of curvature of the bend is 4.0 m, the shoc...
#24 MCQ
A rectangular face of 2.0 m×2.5 m dimension is blasted with 20 kg explosive in a 1000 m long drive. One kilogram of explosive produces 2200 cm3 of nitrous...
#40 Fill in the Blanks
To increase the resistance of a mine roadway by 1.5 Ns2m-8, the size in m2 of the regulator to be installed is _________.[rounded off to 2 decimal places]
#88 Fill in the Blanks

Related Topics

controlled air recirculation mining ventilation system underground GATE Mining Engineering 2022 mining engineering gate air velocity underground fan installation cost GATE ventilation underground air recirculation

Unique Visitor Count

Total Unique Visitors

Loading......

Question Options

Contributed by: