GATE Questions

Q:

Wind and solar energy are examples of

A) Finite energies B) Renewable energies
C) Non renewable energies D) None of the above
 
Answer & Explanation Answer: B) Renewable energies

Explanation:

Wind and solar energy are examples of Renewable energies. 

 

Renewable energy sources are those which can be naturally replenished. 

wind_and_solar_energy_are_examples_of1535692456.jpg image

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Q:

Which measurement depends on gravitational force?

A) Mass B) Weight
C) Height D) All of the above
 
Answer & Explanation Answer: B) Weight

Explanation:

We know that,

Weight W = mg. That is mass times gravitational force.

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Q:

Statement: There has been a significant drop in the water level of all the lakes supplying water to the city.
Courses of action:
I. The water supply authority should impose a partial cut in supply to tackle the situation.
II. The government should appeal to all the residents though mass media for minimal use of water.

A) Only I follows B) Only II follows
C) Both I & II follows D) Neither I nor II follows
 
Answer & Explanation Answer: C) Both I & II follows

Explanation:

The situation can be tackled by periodic cuts in supply, and urging people to conserve water. So both the courses follow.

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Q:

Majuli, the largest river island in the world is located in which state of India?

A) Tripura B) Nagaland
C) Assam D) Manipur
 
Answer & Explanation Answer: C) Assam

Explanation:

Majuli or Majoli is a river island in the Brahmaputra River, Assam and in 2016 it became the first island to be made a district in India.

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Q:

Which metal is the best conductor of heat?

A) Silver B) Gold
C) Copper D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

Silver is the best conductor of both heat and electricity among metals with a thermal conduction value of about 430 W/(mK).

Gold and copper both come respectably close to silver.

 

Copper being significantly less costly it is often chosen over silver in many applications.

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Q:

20% of 120?

A) 20 B) 24
C) 32 D) 36
 
Answer & Explanation Answer: B) 24

Explanation:

20% of 120

20 x 120/100

= 4 x 6

= 24

 

Hence, 20% of 120 = 24.

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Q:

What tastes better than it smells?

Answer

Tongue. Yes tongue tastes better than it smells as it can't smell.

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Q:

Land is considered a resource because it

A) is used to produce things B) requires labor to be useful
C) is always available to use D) costs little or nothing to use
 
Answer & Explanation Answer: A) is used to produce things

Explanation:

Land is considered as an important resource because it is useful in producing many things. For example, in agriculture, land is used for cultivating the crop, in industrial use, it is used for constructing factories and to make products that we use.

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