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Q:

In a transformer the tappings are generally provided on

A) Primary side B) low voltage side
C) High voltage side D) Secondary side
 
Answer & Explanation Answer: C) High voltage side

Explanation:

Tappings are provided in order to maintain the terminal voltage across the loads within the permissible specified limits with respect to load variations.

Generally tappings are preferred on HV side, because the HV side is low current side, tap changer involves low current interruption and large variations or small steps are possible due to more no of turns.

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Filed Under: Physics
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Q:

Which country built the Bird's Nest Stadium for 2008 Summer Olympics?

A) China B) Brazil
C) Australia D) Germany
 
Answer & Explanation Answer: A) China

Explanation:
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Filed Under: General Awareness
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Q:

There are how many vocal cords in the human voice box?

A) One B) Two
C) Three D) Four
 
Answer & Explanation Answer: B) Two

Explanation:
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Filed Under: Biology
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Q:

Which of the following is NOT a pollination agent for cross pollination?

A) Water B) Animals
C) Wind D) Plants
 
Answer & Explanation Answer: D) Plants

Explanation:
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Filed Under: Biology
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Q:

Aqueous solution of copper sulphate?

A) does not affects litmus B) affects both red and blue litmus
C) turns blue litmus red D) turns red litmus blue
 
Answer & Explanation Answer: C) turns blue litmus red

Explanation:
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Filed Under: Chemistry
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Q:

The chemical formula of Propane is

A) C3H8 B) C4H10
C) C2H6 D) CH4
 
Answer & Explanation Answer: A) C3H8

Explanation:
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Filed Under: Chemistry
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Q:

In water treatment plant, use of chloramines ensures __________

A) taste and odour control B) weed control in reservoirs
C) disinfection D) removal of permanent hardness
 
Answer & Explanation Answer: C) disinfection

Explanation:
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Filed Under: Chemistry
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Q:

Binomial Nomenclature was founded by

A) Charles Darwin B) Robert Nucleus
C) Carl Linnaeus D) Lamarck
 
Answer & Explanation Answer: C) Carl Linnaeus

Explanation:
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Filed Under: Chemistry
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