Home / MCQ Bank / Mining Engineering
Mining Engineering Mine Ventilation Difficulty: Medium

The liquid employed in aneroid barometer.

Select the correct option to test your answer:

More Mining Engineering Questions

For a person working in an atmosphere containing 21% O 2 , the exhaled air contains 4.5% CO 2 and 16% O 2 . The respiratory quotient of breathing is Colour of sphalente is A worker is exposed to 86 dB for six hours and 92 dB for three hours, giving a nine hour working day. Determine the dose % and TWA. It is always desirable to keep the width of the floor of bench much larger than . . . . . . . . of bench. Reduce the friction of the rock to the passage of cement certain types of rocks