General Knowledge Questions

Q:

Gear finishing operation is called

A) Burnishing B) Hobbing
C) Shaping D) Milling
 
Answer & Explanation Answer: A) Burnishing

Explanation:

Gear finishing operation is called Burnishing.

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Q:

The Busiest Metro Station in the world _________

Answer

Shinjuku Station in Tokyo, Japan, has an average of 3.64 million passengers pass through it each day. It has more than 200 exits.

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Q:

Stethoscope was invented by

A) Bessemer B) Rane Laennec
C) Henry Becquarrel D) none of these
 
Answer & Explanation Answer: B) Rane Laennec

Explanation:
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Q:

Bees have _____ pairs of wings?

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

Explanation:
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Q:

What frequency range is the high frequency band?

A) 3 kHz B) 3 to 30 MHz
C) 30 to 300 MHz D) 10 GHz
 
Answer & Explanation Answer: B) 3 to 30 MHz

Explanation:

The HF band is based on frequencies 3 to 30 Mhz. AM radio stations are in the HF band but normally are stated in kilohertz.

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Q:

If a band is played on the moon the sound will 

A) reverberate B) be heard by us faintly
C) be heard upto 10 km from it D) not be heard at any distance at all from it
 
Answer & Explanation Answer: D) not be heard at any distance at all from it

Explanation:

As there is no atmosphere surrounding the moon, the second from any band that is played there cannot travel outwards there is no material medium surrounding if for its propagation.

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Q:

Electron, Proton, Neutron discovered by

A) J. J. Thomson, Ernest Rutherford & James Chadwick B) John Dalton, J.J. Thomson & Neils Bohr
C) Neils Bohr, John Dalton & J.J. Thomson D) None of the above
 
Answer & Explanation Answer: A) J. J. Thomson, Ernest Rutherford & James Chadwick

Explanation:

J. J. Thomson discovered electrons in the year 1897.

electron_discovered_by1560577555.jpg image

Ernest Rutherford discovered protons in 1911.

proton_discovered_by1560577702.jpg image

James Chadwick discovered neutrons.

neutron_discovered_by1560577801.jpg image

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Q:

A gland below the bladder and surrounding the urethra is

A) prostate B) seminal vesicle
C) bartholin D) vas deferens
 
Answer & Explanation Answer: A) prostate

Explanation:

                               prostategland1531291431.jpg image

A gland surrounding the neck of the bladder in male mammals and releasing a fluid component of semen is Prostate gland which is below the bladder and surrounding the urethra.

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