Questions

Q:

In which atmospheric layer are the communication satellites located?

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

Explanation:

In terms of the Earth's atmosphere, they occupy regions called the thermosphere and the exosphere. The layer through which a satellite orbits depends on the satellite's function and the kind of orbit it has.

 

The thermosphere is a region of very high temperature that extends from the top of the mesosphere at around 85 kilometers (53 miles) up to 640 kilometers (400 miles) above the Earth's surface. It is called the thermosphere because temperatures can reach up to 1,500 degrees Celsius (2,732 degrees Fahrenheit).

 

However, despite the high temperatures, the pressure is very low, so satellites don't suffer heat damage.

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Filed Under: General Awareness
Exam Prep: AIEEE , Bank Exams , CAT , GATE
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8 7102
Q:

One fathom is equal to how many meters ? 

A) 1.7699 B) 2.0210
C) 1.8288 D) 2.1212
 
Answer & Explanation Answer: C) 1.8288

Explanation:

One fathom = 1.8288 meters = 6 feet

A fathom is a unit of length used especially for measuring the depth of water.

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Filed Under: General Science
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24 7099
Q:

Contour bunding is a method of soil conservation used in

A) Scrublands, liable to spread of weed growth B) Hilly and Slopy or mountain areas
C) Low flat plains, close to stream courses, liable to flooding D) Desert margins, liable to strong wind action
 
Answer & Explanation Answer: B) Hilly and Slopy or mountain areas

Explanation:

Contour bunding is a proven sustainable land management practice for mountainous areas, marginal, sloping, and hilly land where the soil productivity is very low.

 

It is widely adopted by the ethnic minorities of Nepal who practice the shifting cultivation system of farming.

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Filed Under: Indian Geography
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11 7095
Q:

The state with the largest area under waste land is

A) Gujarat B) Madhya pradesh
C) Jammu and Kashmir D) Rajasthan
 
Answer & Explanation Answer: C) Jammu and Kashmir

Explanation:
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Filed Under: Indian Geography

22 7093
Q:

Explain fork() system call?

Answer

The `fork()’ used to create a new process from an existing process. The new process is called the child process, and the existing process is called the parent. We can tell which is which by checking the return value from `fork()’. The parent gets the child’s pid returned to him, but the child gets 0 returned to him.

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Subject: Operating Systems Exam Prep: GATE

2 7093
Q:

The Highest dam in india is the _________dam

A) Maithan B) Bhakra
C) Hirakud D) Machkund
 
Answer & Explanation Answer: B) Bhakra

Explanation:

The Bhakra dam is 226 metres high and is one of the highest dams in the world.

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4 7092
Q:

What was the religion of Malik Kafur before he entered the service of Ala-ud-din?

A) Zoroastrianism B) Hinduism
C) Buddhism D) Jainism
 
Answer & Explanation Answer: B) Hinduism

Explanation:
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Filed Under: Indian History

5 7084
Q:

I am always infront of you, but you will never see me. Who am I?

A) Mirror B) Shadow
C) Future D) None of the above
 
Answer & Explanation Answer: C) Future

Explanation:

Yes, future is always infront of us, but no one can see it.

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