For comfortable working, the ___________ content should be limited to about 0.6% by volume.
A) Oxygen
B) Hydrogen
C) Carbon monoxide
D) Carbon dioxide
Correct Answer:
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Q1: While calculating the handling capacity of lift,
Q2: Which of the following is not a
Q3: Which of the following parameters does not
Q4: The term _ is used to mean
Q6: Where people are working, there has to
Q7: The rate of amount of water vapour
Q8: The_ plays an important role in the
Q9: It is quite evident that the incoming
Q10: In _ system, the use is made
Q11: Exhaust system, supply system, air conditioning, etc.
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