Related Questions

Leaks in the pitched roof may be caused due to:
A Improper slopes
B Unfinished roof and wall junction
C Depression on top of roof
D Heavy wind
A semicircular disc rests on a horizontal surface with its top flat surface horizontal and circular portion touching down. The coefficient of friction between semi circular disc and horizontal surface is µ. This disc is to be pulled by a horizontal force applied at one edge and it always remains horizontal. When the disc is about to start moving, its top horizontal force will
A Remain horizontal
B Slant up towards direction of pull
C Slant down towards direction of pull
D None of the above
If Dust is called Air, Air is called Fire, Fire is called Water, Water is called Colour, Colour is called Rain and Rain is called Dust, where do Fish live ?
A Dust
B Fire
C Colour
D Water
The dense mass of small water drops on smoke particles in the lower layers of the atmosphere is ________
A Smog
B Frost
C Fog
D Dew
When sunlight passes through tiny suspended rain drops it produces ---
A Rainbow
B White light
C Ultraviolet ray
D None
Rain drops are spherical because of
A viscosity
B air resistance
C surface tension forces
D atmospheric pressure
Rain drops fall from great height. Which among the following statements is true regarding it?
A They fall with that ultimate velocity, which are different for different droplets
B They fall with same ultimate velocity
C Their velocity increases and they fall with different velocity on the earth
D Their velocity increases and they fall with same velocity on the earth
Rain drops falling through atmospheric air attain limited terminal velocity, because of
A Upward thrust due to air
B Viscous force exerted by air
C Surface tension effects of water
D Force of gravity
The opening provided in sloping roof with its top parallel to the roof surface, is called
A Dormer window
B Sky light window
C Lantern window
D Louvered window
At a college football game, 4/5 of the seats in the lower deck of the stadium were sold. If one-fourth of all the seating in the stadium is located in the lower deck, and if 2/3 of all the seats in the stadium were sold, what fraction of the unsold seats in the stadium were in the lower deck?
A 3/20
B 1/6
C 1/3
D 7/15

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