GATE Questions

Q:

Find the current (in A) when a charge of 1200C flows in 6 seconds.

A) 7200 B) 200
C) 100 D) 3600
 
Answer & Explanation Answer: B) 200

Explanation:
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Q:

German Silver contains

A) 100% pure silver B) 10% silver
C) 1% silver D) 0% silver
 
Answer & Explanation Answer: D) 0% silver

Explanation:

German Silver is an alloy of copper, nickel and zinc. It is composed of 60% copper, 20% nickel and 20% zinc. Due to its white-silverish appearance it is named as german silver but it contains no silver in it.

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Q:

What is the name of the bridge between India and Sri Lanka?

A) Adam's Bridge B) Chenab Bridge
C) Tower Bridge D) Golden Gate Bridge
 
Answer & Explanation Answer: A) Adam's Bridge

Explanation:

Adam's Bridge is the name of the bridge between India and Sri Lanka. It is also called as Rama Setu or Rama's Bridge.

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Q:

What is the general formula for a straight-chain alkane?

A) C2nH2n+3. B) CnH2n+2
C) CnH2n D) CnH3n+2.
 
Answer & Explanation Answer: B) CnH2n+2

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Q:

Transfer payments are included in

A) Government subsidies B) GDP
C) Both A & B D) None of the above
 
Answer & Explanation Answer: A) Government subsidies

Explanation:

Transfer payments are included in GDP and not in GDP.

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Q:

Time period of a seconds pendulum is

A) 2 seconds B) 4 seconds
C) 1 seconds D) 0 seconds
 
Answer & Explanation Answer: A) 2 seconds

Explanation:

A seconds pendulum is a pendulum whose period is precisely two seconds i.e, one second for a swing in one direction and one second for the return swing.

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Q:

The process of bones increasing in width is known as

A) appositional growth B) concentric growth
C) closing of the epiphyseal plate D) long bones reaching adult length and width
 
Answer & Explanation Answer: A) appositional growth

Explanation:
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Q:

Depletion of ozone layer is caused by

A) CFC's B) Carbon tetra-chloride (CCl4)
C) HCFC's D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

Ozone layer depletion is one of the most serious problems faced by our planet earth. Substances that Deplete the Ozone Layer (ODS) emission are responsible for ultraviolet radiations from the sun break them to release chlorine (from CFCs) and bromine (from methyl bromide and halons).

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