Saturday, 23 August 2014
General Science-80
1.
Small rain-drops are spherical in shape because of:
a.
surface-tension
b. gravity
c.
atmospheric pressure
d. evaporation
2.
The cross-section of the water column in the given figure is
circular. The diameter of the bigger limb is 4 cm and that of the smaller limb
2 cm. A force of 40kg is placed at the bigger end. What force will be required
at the smaller end to keep the level of water balanced?
a. 20 kg
b. 80 kg
c.
160 kg
d. 10 kg
General Science-79
1. The energy released on
account of the motion of a body is termed as the:
a. potential energy
b.
kinetic energy
c.
relative velocity
d. None of these
2.
Kilowatt is the measuring unit of:
a.
Power
b. Current
c.
Work
d. energy
3.
In which unit can we measure food energy?
a.
Calorie
b. Keloin
c.
Joule
d. Erg
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