Questions

Q:

Analog computer works on the supply of

A) Magnetic strength B) Continuous electrical pulses
C) Discontinuous electrical pulses D) None of the above
 
Answer & Explanation Answer: B) Continuous electrical pulses

Explanation:

Analog_computer_works_on_the_supply_of1557395703.jpg image

An analog computer or analogue computer is a type of computer that uses the continuously changeable aspects of physical phenomena such as electrical, mechanical, or hydraulic quantities to model the problem being solved.

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Q:

5 Digits Number?

What 5-digit number has the following features:

If we put the numeral 1 at the beginning, we get a number three times smaller than if we put the numeral 1 at the end of the number.

Answer

We can make an equation:


3(100000 + x) = 10x+1


(Why? Well, adding 100000 puts a 1 at the front of a five-digit number, and multiplying by 10 and adding 1 puts a 1 at the end of a number)


Solving this gives:


10x+1 = 3(100000 + x)
10x+1 = 300000 + 3x
10x = 299999 + 3x
7x = 299999
x = 299999/7 = 42857


The answer is 42857 (142857 is three times smaller than 428571).

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Q:

Which of the following Indian Universities has topped the list of country's official higher education rankings, recently announced by the HRD Ministry ? 

A) Jawaharlal Nehru University B) Banaras Hindu University
C) IISc-Bengaluru D) Delhi University
 
Answer & Explanation Answer: C) IISc-Bengaluru

Explanation:

The Indian Institute of Sciences (IISc)- Bengaluru has topped the list of best universities of country's official higher education rankings, recently announced by the HRD Ministry.

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Q:

Synchronous motor can operate at

A) Lagging power factor only B) Unity power factor only
C) Leading power factor only D) At any power factor
 
Answer & Explanation Answer: D) At any power factor

Explanation:

synchronous motor can operate at lag lead and unity power factor also why because it is mainly depends on excitation

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Q:

Heat transfer by conduction occurs when molecules

A) Collide B) Combine
C) Heated D) None of the above
 
Answer & Explanation Answer: A) Collide

Explanation:

Conduction is the movement of heat through a substance by the collision of molecules. It occurs when two object at different temperatures are in contact with each other. Heat flows from the warmer to the cooler object until they are both at the same temperature.

Heat_transfer_by_conduction_occurs_when_molecules1560488148.jpg image

 

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Q:

I have legs, but i cannot walk. Who am I?

A) Dragon flies B) Prawns
C) House flies D) All of the above
 
Answer & Explanation Answer: A) Dragon flies

Explanation:

Dragon flies have legs but they cannot walk.

dragonfly1532517355.jpg image

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Q:

The Hollong Modular Gas Processing Plant (HMGPP), which is in news recently, is located in which state?

A) Haryana B) Uttar Pradesh
C) Assam D) Arunachal Pradesh
 
Answer & Explanation Answer: C) Assam

Explanation:
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Q:

Why is RNA necessary to act as a messenger?

Answer

Why_is_RNA_necessary_to_act_as_a_messenger1548936409.jpg image


RNA acts as a messenger in between the DNA and ribosome as it transforms the genetic information from the DNA and as DNA is big and can't fit into the nuclear pores. 

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