Questions

Q:

Elements A, B and C occur as Dobereiners triads. If the atomic mass of A is 7 and that of C is 39, what will be the atomic mass of B?

A) 20 B) 40
C) 23 D) 12
 
Answer & Explanation Answer: A) 20

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Filed Under: Chemistry
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Q:

The common name of sodium tetraborate decahydrate is _____.

A) epsom salt B) gypsum
C) Borax D) galena
 
Answer & Explanation Answer: C) Borax

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Q:

What chemical is injected into a person's body when an ant bites?

A) Formic Acid B) Acetic Acid
C) Tartaric Acid D) Citric Acid
 
Answer & Explanation Answer: A) Formic Acid

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Q:

Name the first cricketer to score 1000 runs in an innings in any competitive match

A) Prithvi Shaw B) Pranav Dhanawade
C) Virat Kohli D) Shikhar Dhawan
 
Answer & Explanation Answer: B) Pranav Dhanawade

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Filed Under: Computer

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Q:

In Microsoft Word, first line and hanging are special forms of ____________.

A) Alignment B) Spacing
C) Effects D) Indentation
 
Answer & Explanation Answer: D) Indentation

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Q:

Who coined the term "Ecology"?

A) Ernst Haeckel B) G. Evelyn Hutchinson
C) Hugo de Vries D) Robert Brown
 
Answer & Explanation Answer: A) Ernst Haeckel

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Q:

Who appoints the Finance Commission in India?

A) Governor,R.B.I B) CAG of India
C) President of India D) Central Finance Minister
 
Answer & Explanation Answer: C) President of India

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Filed Under: Indian Politics

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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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