A. Anemometer
B. Hygrometer
C. Barometer
D. Hydrometer
Barometer is an instrument used for measuring.
A. Pressure in pines, Channels etc
B. Atmospheric pressure
C. Very Low Pressure
D. Difference of Pressure between Two Points
Which element is used as moderator in nuclear reactor?
A. Light water
B. Dense water
C. Fresh water
D. Heavy water
1 BTU(British thermal unit) is equal to___________?
A. 955 joules
B. 990 joules
C. 1055 joules
D. 1211 joules
Microphone converts sound energy into ___________?
A. Microwaves
B. Electrical signals
C. Optical Signals
D. Heat energy
Glass is made of the mixture of______________?
A. Quartz and Mica
B. Sand and Salt
C. Sand and Silicates
D. None of these
Boiling of an egg is a change which is__________?
A. Physical
B. Chemical
C. Physiological
D. Morphological