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Q:

Lami's theorem is applicable only for

A) Non-Concurrent forces B) Coplanar forces
C) Coplanar and concurrent forces D) Any type of forces
 
Answer & Explanation Answer: C) Coplanar and concurrent forces

Explanation:

The Lami's theorem states that " If three forces coplanar and concurrent forces acting on a particle keep it in equilibrium, then each force is proportional to the sine of the angle between the other two and the constant of proportionality is the same." This theorem is derived from the Sine rule of triangles.

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Filed Under: Arithmetical Reasoning
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Q:

One who dies for a noble cause

A) Martyr B) Pilgrim
C) Astronomer D) Pantomath
 
Answer & Explanation Answer: A) Martyr

Explanation:

One who dies for a noble cause is called a martyr. He is a person who dies fighting for what they believe in like advocating religious or other beliefs, refusing to renounce, etc...

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Filed Under: English
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Q:

Bar chart is suitable for

A) Minor work B) Large project
C) Major work D) All of the above
 
Answer & Explanation Answer: A) Minor work

Explanation:

Bar_chart_is_suitable_for1560488875.jpg image

A bar chart or bar graph is a chart or graph that presents data with rectangular bars. Bar charts is suitable for minor works for comparing between categories of data.

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Filed Under: Bar Charts
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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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Filed Under: Physics
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Q:

Carbon dioxide fire extinguishers are suitable for

A) Crackers B) Electrical fires
C) Bombs D) All of the above
 
Answer & Explanation Answer: B) Electrical fires

Explanation:

A Carbon Dioxide Fire extinguisher is a specific type of fire extinguisher that can be used on electrical fires and liquid flammable type of liquids and gases.

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Filed Under: General Science
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Q:

In order to make an electromagnet you need a

A) Dry cell batteries B) Thin coated copper wire
C) Iron nail D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

To create a simple electromagnet, you'll need a source of electricity, a conductor, and metal. Wrap insulated copper wire tightly around an iron screw or nail before connecting the wire to a battery, and watch as your new electromagnet picks up small metal objects.

 

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Filed Under: Physics
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Q:

What is the adult voting age in between years of  1950-87 in India?

A) 16 years B) 18 years
C) 21 years D) 24 years
 
Answer & Explanation Answer: A) 16 years

Explanation:
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Filed Under: Indian Politics
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Q:

Which bank introduced Repo Rate linked home loan recently?

A) SBI B) HDFC
C) Axis D) ICICI
 
Answer & Explanation Answer: A) SBI

Explanation:
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Filed Under: General Awareness
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