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-4 section-1

Each section contains 100 MCQs on Drilling and Blasting .

Regulator can not be placed in . . . . . . . .

A) Junctions B) Haulage roads C) Travelling roads D) Seats of aevon

Discuss

Answer & Solution

Answer: Option B

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

The venture tube blower having a convergent - divergent tube is more efficient and increase the flow of air by

A) 20% B) 30% C) 35% D) 40%

Discuss

Answer & Solution

Answer: Option B

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

Which of the following detonators are used mostly in oil and mineral prospecting?

A) Plain detonators B) Electric short delay detonators C) Ordinary long delay detonators D) Seismic detonators

Discuss

Answer & Solution

Answer: Option D

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

Ammonium Nitrate does not occur in nature and it is prepared by reacting with ammonia gas with . . . . . . . . acid.

A) Benzene B) Tolune C) Potasium Nitrate D) Nitric

Discuss

Answer & Solution

Answer: Option D

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

The fan efficiency is given by . . . . . . . .

A) $$\frac{{{\text{Brake HP}}}}{{{\text{air HP}}}}$$ B) $$\frac{{{\text{air HP}}}}{{{\text{Break HP}}}}$$ C) $$\frac{{{\text{HP of ventilation}}}}{{{\text{HP input}}}}$$ D) 3m

Discuss

Answer & Solution

Answer: Option B

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

Permitted explosives used in mines have a VOD ranging from in m/sec.

A) 1000 - 1500 B) 2500 - 5000 C) 6000 - 8000 D) 5000 - 6000

Discuss

Answer & Solution

Answer: Option B

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

Minimum quantity of air required for ventilation of coal mine depends on

A) Production of coal B) Man power employed C) Cooling power D) All

Discuss

Answer & Solution

Answer: Option B

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

The coolest used in 1 hr. apparatus of proto mark V apparatus.

A) MNCl₂ B) Soda phosphate C) CaCl₂ D) NHCl₂

Discuss

Answer & Solution

Answer: Option C

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

Shape factor is defined by . . . . . . . .

A) $$\frac{{{\text{Perimeter}}}}{{{{{\text{(Area)}}}^{\frac{1}{2}}}}}$$ B) $$\frac{{{\text{Perimeter}}}}{{{\text{Area}}}}$$ C) $$\frac{{{\text{Perimeter}}}}{{{{{\text{(Area)}}}^{\frac{1}{3}}}}}$$ D) $$\frac{{{\text{Perimeter}}}}{{{{{\text{(Area)}}}^{\frac{1}{4}}}}}$$

Discuss

Answer & Solution

Answer: Option A

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

The quantity of air has to be increased from 1500m³ to 3000 m³/mm, what will be effect on H. P of the fan.

A) 2 B) 4 C) 8 D) 16

Discuss

Answer & Solution

Answer: Option C

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