Drilling and Blasting MCQs Questions & Answers

Home

Competitive Exams

Aptitude English Verbal Reasoning Non Verbal Reasoning General Knowledge(GK) General Science(GS) Data Interpretation(DI) Banking Awareness Current Affairs

Computer & Programming

Computer Fundamentals Networking SQL Database C Programming C++ Programming Java Python

Other Subjects

Commerce Management Law Political Science Psychology Agriculture

Exam Categories

SSC Exams Railway Exams All Exams

Popular Exams

SSC CGL SSC CHSL SSC MTS RRB Group D RRB ALP RRB Technician RRB Section Controller

Engineering Subjects

Computer Science Electronics & Communication Mechanical Engineering Civil Engineering Electrical Engineering

More Engineering

Chemical Engineering Automobile Engineering Biotechnology Mining Engineering Geological Engineering

Engineering Core

Engineering Mathematics Engineering Physics Engineering Chemistry Metallurgical Engineering

Computer Fundamentals

Computer Fundamentals Networking Database SQL MySQL

Programming

C Programming C++ Programming Java Python PHP JavaScript

Advanced

Artificial Intelligence Machine Learning Data Science Cloud Computing Hadoop IoT

Graduation & PG

Commerce Management Law Mass Communication Political Science Psychology

Resources

Current Affairs Interview Blog

Learn and practice multiple-choice questions (MCQs) with answers related to Drilling and Blasting. These resources are available for mining engineering students who wish to clear GATE exams, technical interviews, competitive examinations, and other entrance exams. The Drilling and Blasting chapter is particularly important for students studying mining engineering. Page-7 section-1

Each section contains 100 MCQs on Drilling and Blasting .

Which type of device is recommended for good core recovery from soft rock?

A) Single tube core barrel B) Double tube core barrel C) Saw toothed crown D) Roller bits

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

All stone dust barriers shall be examined in . . . . . . . .

A) Every week B) Every day C) Every 14 days D) Every month

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

The depth of the deepest shaft in coal mine in India.

A) 200 m B) 400 m C) 500 m D) 600 m

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

The Nationalization of coaking coal mines was done in . . . . . . . .

A) 16^th October 1971 B) 1^st May 1972 C) 30^th June 1973 D) 1^st November 1975

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

The chemicals used in self rescuer is same as . . . . . . . .

A) Gas mask B) Reviving apparatus C) Pulmoter D) Equilizer

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

The law related to water gauge, fan speed or quantity is . . . . . . . .

A) $$wg \propto {N^2}{\text{ or }}{Q^2}{\text{ or }}{V^2}$$ B) $$wg \propto \frac{1}{{{N^2}}}{\text{ or }}\frac{1}{{{Q^2}}}{\text{ or }}\frac{1}{{{V^2}}}$$ C) $$\frac{1}{{wg}} \propto {N^2}{\text{ or }}{Q^2}{\text{ or }}{V^2}$$ D) $$\frac{1}{{{V^2}}} \propto wg{\text{ or }}{Q^2}{\text{ or }}{V^2}$$

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

A mine is not considered to be adequately ventilated if the fire damp percentage in General body of the return air exceeds . . . . . . . .

A) 0.75 B) 1.25 C) 1.75 D) 0.57

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

The maximum width of roadway permitted by law.

A) 3 m B) 4.2 m C) 4.8 m D) 4.5 m

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

As per mining engineers rule, minimum radius of shaft pillar for shallow shaft.

A) 12 m B) 16 m C) 18 D) 20 m

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

No part of highwall slope of reclaimed overburden should not exceed angle is

A) 45° B) 60° C) 55° D) 40°

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

1 2 3 4 5 6 7 8 9 10

Drilling and Blasting MCQs Questions & Answers | Mining Engineering