31. What is meant by vane efficiency.
32. Do not allow burning of fire inside a mine [non coal mine] and within . . . . . . . .m of an intake.
33. Which drivages are generally safer.
34. Portable fire extinguishers are . . . . . . . .
35. Wearer of proto mark IV apparatus can not . . . . . . . . with among brigade members.
36. German type air lock constructed.
37. Brine is a solution of . . . . . . . .
38. The law related to quantity air fan speed is . . . . . . . .
39. BCF fire extinguishers use for quenching . . . . . . . . fires.
40. The freezing point of nitroglycerin.
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 1
- Drilling and Blasting - Section 2
- Drilling and Blasting - Section 3
- 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