ExamVeda
Login
Home

Miscellaneous in Mining MCQs Questions & Answers | Mining Engineering

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

Each section contains 100 MCQs on Miscellaneous in Mining .
1
A mine workers inhales normal air, where as exhaled air contains 16 - 65% O2 and 3.82% CO2. The respiratory quotient of breathing for the worker is . . . . . . . .
Discuss
Answer & Solution
Answer: Option B
No explanation is given for this question. Let's Discuss on Board
2
The bulb of old ham lead acid battery is filled with . . . . . . . .
Discuss
Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board
3
When methane is burnt two gasses are formed with a blue flame. Name the gases.
Discuss
Answer & Solution
Answer: Option B
No explanation is given for this question. Let's Discuss on Board
4
The greatest danger of pneumo coniosis in the size of dust is . . . . . . . .
Discuss
Answer & Solution
Answer: Option D
No explanation is given for this question. Let's Discuss on Board
5
For lighting arrangements in depillaring areas in deg.2 and 3 gassy mines having fire cluster of . . . . . . . . cap lamps placed on suitable stand, inaddition to cap lamps for individual workmen.
Discuss
Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board
6
Normal life of lead acid batter is . . . . . . . . Years
Discuss
Answer & Solution
Answer: Option B
No explanation is given for this question. Let's Discuss on Board
7
Booster fan generally used in . . . . . . . .
Discuss
Answer & Solution
Answer: Option B
Solution:
Booster fans in mining are typically used in the "return" or "return airway."

In underground mining operations, air is circulated to provide fresh air to the working faces where miners are actively mining. After the air has traveled through the workings, it becomes contaminated with dust, gases, and other pollutants. This used air is then directed back to the surface through the return airway.

Booster fans are installed in the return airway to assist in moving this used air efficiently back to the surface for processing and purification. These fans help maintain a safe and healthy working environment for miners by ensuring the proper ventilation of the underground workings.

So, the correct answer is Option B: Return. Booster fans are generally used in the return airway of underground mining operations.
8
The power can be used at voltage not exceeding . . . . . . . . V in bulbs/lights.
Discuss
Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
9
During assembly the upper section is assembled with the . . . . . . . . section of flame safety lamps the combined assembly then screwed in to . . . . . . . . section and locked magnetically.
Discuss
Answer & Solution
Answer: Option B
No explanation is given for this question. Let's Discuss on Board
10
CaCl2 and Calsolene oil are chemicals which are used to keep the dust.
Discuss
Answer & Solution
Answer: Option B
No explanation is given for this question. Let's Discuss on Board