General Science Questions and Answers | General Knowledge


What does airbag, used for safety of car driver, contain?

   A.) Sodium nitrite
   B.) Sodium azide
   C.) Sodium bicarbonate
   D.) Sodium peroxide

Answer: Option 'B'

Sodium azide


The gases used in different types of welding would include

   A.) oxygen and hydrogen
   B.) oxygen and acetylene
   C.) oxygen, acetylene and argon
   D.) oxygen, hydrogen, acetylene and nitrogen

Answer: Option 'B'

oxygen and acetylene


The Ozone Layer restricts from

   A.) Infrared Rays
   B.) Radio waves
   C.) Ultraviolet Radiation
   D.) X-Rays and Gamma Rays

Answer: Option 'C'

The Ozone layer which is present in the Earth's atmosphere protects it by restricting from UV or Ultraviolet radiation, the dangerous rays contained by Sun.


The Rain Shadow Effect is associated with

   A.) Convectional rainfall
   B.) Cyclonic rainfall
   C.) Frontal rainfall
   D.) Orographic rainfall

Answer: Option 'D'

Orographic precipitation or Rain produced when moist air is lifted as it moves over a mountain range. As the air rises and cools, orographic clouds form and serve as the source of the precipitation, most of which falls upwind of the mountain ridge.

Some also falls a short distance downwind of the ridge and is sometimes called spillover. On the lee side of the mountain range, rainfall is usually low, and the area is said to be in a Rain Shadow


As you go down into a well, your weight 

   A.) increases slightly
   B.) decreases slightly
   C.) remains exactly the same
   D.) none of these

Answer: Option 'B'

decreases slightly

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