91. Gas mask a self rescuer should not be used in at atmosophere containing more than . . . . . . . .% CO.
92. If the fire is inaccessible, in goaf are, too extensive, danger of explosion, dealing with . . . . . . . .
93. Magazine should be away from all buildings atleast . . . . . . . . meters.
94. The reviving apparatus manufactured by the firm of Drager is known by the trade name . . . . . . . .
95. Air velocity monitor measures the air velocity between . . . . . . . . using a vortex shedding sensor.
96. In degree I gassy mines the rate of emission of gas m3/t of coal raised is . . . . . . . .
97. It is an explosive compound, is a high explosive series as an oxidizing agent, also cooling agent same time is . . . . . . . .
98. Air circulated by a fan, to less quantity, the following to be done . . . . . . . .
99. The water gauge developed per stage in air screw fan rarely exceed . . . . . . . . mm.
100. How many types of air pressure hose rescue apparatus.
Read More Section(Drilling and Blasting)
Each Section contains maximum 100 MCQs question on Drilling and Blasting. To get more questions visit other sections.
- Drilling and Blasting - Section 2
- Drilling and Blasting - Section 3
- Drilling and Blasting - Section 4
- Drilling and Blasting - Section 5
- Drilling and Blasting - Section 6
- Drilling and Blasting - Section 7
- Drilling and Blasting - Section 8
- Drilling and Blasting - Section 9
- Drilling and Blasting - Section 10