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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:

The radius of curvature of a concave mirror is 30 cm. Following Cartesian Sign Convention, its focal length is expressed as

A) -30 cm B) -15 cm
C) +30 cm D) +15 cm
 
Answer & Explanation Answer: B) -15 cm

Explanation:
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Filed Under: Physics
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Q:

Person who is colour-blind cannot distinguish between

A) Black and yellow B) Red and green
C) Yellow and white D) Green and blue
 
Answer & Explanation Answer: B) Red and green

Explanation:
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Filed Under: General Science
Exam Prep: Bank Exams

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Q:

In terms of size, Neptune ranks no. ___ in our Solar System.

A) 1 B) 2
C) 3 D) 4
 
Answer & Explanation Answer: D) 4

Explanation:
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Filed Under: General Science
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Q:

Sunita Williams is a

A) Astronaut B) Missile scientist
C) Nuclear scientist D) Astro physicist
 
Answer & Explanation Answer: A) Astronaut

Explanation:
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Filed Under: Famous Personalities

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Q:

'Rovers cup' is associated with which of the following sport?

A) Football B) Hockey
C) Golf D) Basketball
 
Answer & Explanation Answer: A) Football

Explanation:
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Filed Under: Sports
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Q:

Find the odd word/letters/number pair from the given alternatives.

A) 5-­21 B) 29-45
C) 48-68 D) 71-87
 
Answer & Explanation Answer: C) 48-68

Explanation:
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Filed Under: Verbal Reasoning - Mental Ability

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Q:

A solid sphere of diameter 17.5 cm is cut into two equal halves. What will be the increase (in cm2) in the total surface area?

A) 289 B) 361.5
C) 481.25 D) 962.5
 
Answer & Explanation Answer: C) 481.25

Explanation:
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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams

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