Bank PO Questions


Q:

Slip rings are usually made of

A) Aluminium B) Copper
C) Phosphor Bronze D) Carbon
 
Answer & Explanation Answer: C) Phosphor Bronze

Explanation:

A Slip ring is a ring in a dynamo or electric motor which is attached to and rotates with the shaft, passing an electric current to a circuit via a fixed brush pressing against it.

 

Slip rings are usually made of Phosphor Bronze.

 

Slip ring motors usually have a 'phase-wound' rotor. This type of rotor has a 3-phase, double-layer, distributed winding consisting of coils used in alternators. The rotor core is made up of steel laminations which have slots to accommodate formed 3-single phase windings.

slip_rings_are_usually_made_of1535005379.png image

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Filed Under: Physics
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4 4883
Q:

Which layer of the atmosphere contains the ozone layer?

A) Troposphere B) Stratosphere
C) Thermosphere D) Mesosphere
 
Answer & Explanation Answer: B) Stratosphere

Explanation:

The ozone layer is a region of Earth's Stratosphere that absorbs most of the Sun's ultraviolet (UV) radiation. It contains high concentrations of ozone (O3) in relation to other parts of the atmosphere, although still small in relation to other gases in the stratosphere.

 

The Atmosphere is divided into 4 layers according to major changes in temperature. They are :

1. Troposphere,

2. Stratosphere,

3. Mesosphere  and

4. Thermosphere.

The farther away from earth, the thinner the atmosphere gets.

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Filed Under: General Science
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14 4882
Q:

Two trains cross each other in _____ time ? 

17499494_1251651558275279_9192886760450524065_n1500008429.png image

A) 145 sec B) 124 sec
C) 158 sec D) 162 sec
 
Answer & Explanation Answer: D) 162 sec

Explanation:

Given two trains of length = 180 mts + 180 mts 

The distance is = Length of trains = 360 mts 

Speed = 58 - 50 = 8 kmph x 5/18 m/s

Then, Time = dis/speed = (360x18) / (8x5) = 162 sec.

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Filed Under: Math Puzzles
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14 4878
Q:

Who has been elected as 13th Vice President of India ?

A) M Venkaiah Naidu B) Gopalkrishna Gandhi
C) Hamid Ansari D) Ram Nath Kovind
 
Answer & Explanation Answer: A) M Venkaiah Naidu

Explanation:
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Filed Under: Indian Politics
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14 4876
Q:

Jan invested $210 with a building society in a fixed deposit account that paid 8% p.a. simple interest for 18 months. How much did she receive after the 18 months?

A) 434 B) 345
C) 235.20 D) 233.20
 
Answer & Explanation Answer: C) 235.20

Explanation:

I = (p x r x t)/100

I = $25.20

A = P+I

A = 235.20

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Filed Under: Simple Interest
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2 4876
Q:

Synonym of 'Beautiful'?

A) Alluring B) Ugly
C) Disgusting D) Loathsome
 
Answer & Explanation Answer: A) Alluring

Explanation:

Beautiful means good looking, having pleasing personality, glamourous, charming.

Synonyms of Beautiful are handsome, attractive, alluring, cute, fair,...

 

Hence, in the given options Synonym of 'Beautiful' is Alluring.

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Filed Under: English
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2 4874
Q:

Compressions and Rarefactions are characteristic of

A) Longitudinal waves B) Transverse waves
C) Both A & B D) Neither of A & B
 
Answer & Explanation Answer: A) Longitudinal waves

Explanation:

Compressions and Rarefactions are characteristic of Longitudinal waves.

The direction of vibration of the particles is in the same plane as in which the wave is propagating. The particles vibrate back and forth, about their mean positions.

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Filed Under: Physics
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2 4874
Q:

The compound interest on Rs. 8000 for 3 year at 10% p.a. is

A) 2648 B) 2145
C) 2587 D) 2784
 
Answer & Explanation Answer: A) 2648

Explanation:

8000 × 33.1% = 2648

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Filed Under: Compound Interest
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18 4873