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Q:

The mechanism of material removal in EDM process is

A) Erosion and Cavitations B) Cavitations and Evaporation
C) Melting and Evaporation D) Melting and Corrosion
 
Answer & Explanation Answer: C) Melting and Evaporation

Explanation:

Electrical discharge machining (EDM), also known as spark machining, spark eroding, burning, die sinking, wire burning or wire erosion, is a manufacturing process whereby a desired shape is obtained by using electrical discharges.

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Filed Under: Physics
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Q:

Glass is made from the mixture of

A) Sand and silicates B) Salt and Sand
C) Salt and silicates D) None of the above
 
Answer & Explanation Answer: A) Sand and silicates

Explanation:
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Filed Under: Physics
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Q:

What factors contribute to global winds?

A) Coriolis Effect B) Convection Cells
C) Uneven warming of the earth by the sun D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

All of the factors that contribute to global winds are 

1) Uneven warming of the earth by the sun
2) Coriolis Effect
3) Convection Cells

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Filed Under: Physics
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Q:

A master plan is devised for

A) Long-range goals B) Emergencies
C) Short-term goals D) Investments
 
Answer & Explanation Answer: A) Long-range goals

Explanation:

A master plan is devised for long-range goals.

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Filed Under: Indian Economy
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Q:

Strength of concrete increases with

A) increase in fineness of cement B) decrease in size of aggregate
C) increase in water cement ratio D) decrease in curing time
 
Answer & Explanation Answer: C) increase in water cement ratio

Explanation:

Strength of concrete increases with increase in water cement ratio as the strength of the cement is directly proportional to water cement ratio.

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Filed Under: Chemistry
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Q:

A 4 kg object is moving horizontally with a speed of 5 m/s. To increase its speed to 10 m/s, the amount of net work required to be done on this object is:

A) 150 J B) 100 J
C) 50 J D) 75 J
 
Answer & Explanation Answer: A) 150 J

Explanation:
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Filed Under: Physics
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Q:

Which sport man is branded as "Fast Man on Earth"?

A) Milka Singh B) Usain Bolt
C) Ronaldo D) Christian
 
Answer & Explanation Answer: B) Usain Bolt

Explanation:

Usain Bolt is branded as "Fast Man on Earth".

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Filed Under: Sports
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Q:

What is the name of the bridge between India and Sri Lanka?

A) Adam's Bridge B) Chenab Bridge
C) Tower Bridge D) Golden Gate Bridge
 
Answer & Explanation Answer: A) Adam's Bridge

Explanation:

Adam's Bridge is the name of the bridge between India and Sri Lanka. It is also called as Rama Setu or Rama's Bridge.

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Filed Under: General Awareness
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