Permissible noise level at Residential area during night time is:
Permissible noise level at Residential area during night time is:
A. 45 dB
B. 55 dB
C. 75 dB
D. 80 dB
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Which element is used as moderator in nuclear reactor?
A. Light water
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D. None of theseBlack gold is an oil; Black diamond is_________?
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The most important function of perspiration is?
The most important function of perspiration is?A. Get rid of body waste
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Animal which captures and readily kills living animals for its food is called___________?A. Parasite
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