General Knowledge Questions

Q:

Which of the following describes an electric motor?

A) Is found in many appliances with moving parts, like a vacuum cleaner or a blender. B) Changes electric energy to mechanical energy.
C) Uses the interaction between a spinning coil of wire and magnet. D) Can be powered by a hand crank.
 
Answer & Explanation Answer: B) Changes electric energy to mechanical energy.

Explanation:

An electric motor is an electrical machine that converts electrical energy into mechanical energy.

                                   Which_of_the_following_describes_an_electric_motor1596165769.jpg image

Most electric motors operate through the interaction between the motor's magnetic field and electric current in a wire winding to generate force in the form of torque applied on the motor's shaft. 

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Q:

The power of an earthquake is expressed in terms of a magnitude on a scale called __________ scale.

A) Schmitt B) Hutton
C) Werner D) Richter  
 
Answer & Explanation Answer: D) Richter  

Explanation:
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Q:

For which of the following game, players must have the knowledge of Pascal's law?

A) Climbing B) Paragliding
C) Rafting D) Scuba diving
 
Answer & Explanation Answer: D) Scuba diving

Explanation:
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Q:

Which one of the following elements is essential for the formation of chlorophyll in green plants?

A) Calcium B) Iron
C) Magnesium D) Potassium
 
Answer & Explanation Answer: C) Magnesium

Explanation:

Forms taken up by plants: Mg++ Functions in plants: a part of the chlorophyll molecule -essential in photosynthesis: related to phosphorus metabolism: large quantities found in seed.Mg deficiency symptoms: Mg is mobile, so symptoms occur first in old leaves; A whitish or yellowish striping effect on grasses.

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Filed Under: Chemistry
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Q:

In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which best express
the same sentence in Indirect/Direct speech.


The holy prophet said, " God helps those who help others."

A) The holy prophet said that God helped those who helped others. B) The holy prophet said that God helps those who help others.
C) The holy prophet said that God helps people who help others. D) The holy prophet said that God helps those people who help others.
 
Answer & Explanation Answer: B) The holy prophet said that God helps those who help others.

Explanation:
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Filed Under: English
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Q:

In the following question, out of the given four alternatives, select the alternative which best expresses the meaning of the Idiom/Phrase.

To gird up the loins

A) To be unable to decide B) To prepare for hard work
C) To be at strife D) To one’s liking
 
Answer & Explanation Answer: B) To prepare for hard work

Explanation:
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Q:

Refractory bricks are used for

A) To increase heat flow B) To decrease heat flow
C) To reflect heat D) None of the above
 
Answer & Explanation Answer: B) To decrease heat flow

Explanation:
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Filed Under: General Science
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Q:

What was a major contribution of John Muir?

Answer

John Muir encouraged the establishment of various parks in the United States' National Park System, including the Yosemite and Sequoia National Parks.

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Subject: World History Exam Prep: CAT , Bank Exams , AIEEE
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