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
A. 45 dB
B. 55 dB
C. 75 dB
D. 80 dB
A. Eyes
B. Throat
C. Lungs
D. Circulatory system
Which element is used as moderator in nuclear reactor?
A. Light water
B. Dense water
C. Fresh water
D. Heavy water
A. Pascal
B. N/m
C. Dyn/cm
D. None of these
A. Copper
B. Iron
C. Coal
D. Wood
Black gold is a liquid based term applied to oil or petroleum, which comes in black color when it comes out of the ground and is worth a great deal of money. Petroleum is black gold and coal is black diamond.
A. Get rid of body waste
B. Regulate body temperature
C. Regulate body waste
D. Lubricate the skin
A. Parasite
B. Scavenger
C. Predator
D. Mammal
E. None of these