Measurement of calories is unit?
(A) heat
(B) solid
(C) liquid
(D) Sound
Are power plants added to homes?
(A) in series
(B) Parallel
(C) in mixed order
(D) None of these
The filament of an electric bulb is made up of
(A) Chromium
(B) Tungsten
(C) Copper
(D) Zinc
S. What is the unit of force in I.
(A) Joule
(B) Newton
(C) Watt
(D) Cubic centimeters
Mechanical energy is converted into electrical energy by
(A) transformer
(B) Ammeter
(C) Galvanometer
(D) Dynamo
Sulfur is used?
(A) dynamite
(B) gunpowder
(C) Ammo
(D) All of the above
Which metal is the best conductor of heat?
(A) Gold
(B) Aluminum
(C) Silver
(D) Brass
Why put a wooden handle in the kettle?
(A) because of fashion
(B) Wood is a bad conductor of heat and the handle is not hot
(C) is light
(D) None of these
The main ingredient of 'Bio Gas' is?
(A) ethane
(B) Ammonia
(C) Methane
(D) Ethylene
By whom is the focus distance corrected in the eye lens?
(A) Ratina
(B) iris
(C) ciliary muscles
(D) Carnia
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