In order to have determination of percentage of inflammable gas, samples of air are taken from which of the below mentioned places?
A. return side of first working places
B. intake side of first working places
C. intake side of last working places
D. any places inside the mine working
Answer: Option B
Related Questions on Mine Legislation and General Safety
Combustable oils or materials not used for filling in . . . . . . . . Equipment
A. Hydraulic
B. Chemical
C. Biological
D. Eletrical
Out of the following belt conveyor related items which one is provided for safety for the persons?
A. Loop-take-up
B. Idler set
C. Audio-visual alarm
D. sequential control switch
Join The Discussion