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-3

Each section contains 100 MCQs on Drilling and Blasting .

The explosives commonly used in solid blasting.

A) P₁ explosives B) P₂ explosives C) P₃ explosives D) P₄ explosives E) P₅ explosives

Discuss

Answer & Solution

Answer: Option E

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

The velocity in ducts is measured by using

A) Smoke and cloud method B) Pitot tube C) Hot wire anemometer D) Tracer method

Discuss

Answer & Solution

Answer: Option B

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

Aim of sealing of fire is . . . . . . . .

A) To starve it of oxygen B) Cut of power supply C) Built stopping D) Explosion proof stoping

Discuss

Answer & Solution

Answer: Option A

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

The total coal reserves are available in thick seams above 5 m is about in India.

A) 40% B) 50% C) 64% D) 75%

Discuss

Answer & Solution

Answer: Option C

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

The theoretical depression of forward blade fan given by the formula.

A) $$H = \frac{{{U^2}}}{g}$$ B) $$H = \frac{{U\left( {U - V\cot \theta } \right)}}{g}$$ C) $$H = \frac{{U\left( {U + V\cot \theta } \right)}}{g}$$ D) None

Discuss

Answer & Solution

Answer: Option C

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

Smoke helmet or hose mask works under continuous . . . . . . . . pressure.

A) Negative B) Positive C) Vibrative D) More

Discuss

Answer & Solution

Answer: Option B

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

The drilling pattern followed in small drifts

A) wedge cut B) fan cut C) drag cut D) bum cut

Discuss

Answer & Solution

Answer: Option C

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

Higher Nitroglycerene content of explosives, is better with . . . . . . . .

A) Dry properties B) Gas resistance properties C) Water resistance properties D) Sensitive properties

Discuss

Answer & Solution

Answer: Option C

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

1 tonne air conditioning plant removes . . . . . . . . Kcal/hr, heat from the air passing through it.

A) 3024 B) 1024 C) 2050 D) 4000

Discuss

Answer & Solution

Answer: Option A

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

Number of shelves in light weight barrier.

A) 6 B) 8 C) 9 D) 11

Discuss

Answer & Solution

Answer: Option D

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