Questions

Q:

The abundance of which type of mangrove tree has lent its name to the saltwater swamp which forms in the lower part of the Ganges delta?

Answer

Sundari

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Q:

Lens is made up of which glass

A) Ordinary glass B) Pyrex glass
C) Flint glass D) Cobalt glass
 
Answer & Explanation Answer: C) Flint glass

Explanation:
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Filed Under: Physics
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9 4019
Q:

Which object, initially called the 'Whirlwind', was invented by Ives McGaffey in 1869 ?

A) Washing machine B) Electric mixer
C) Vacuum cleaner D) Blender
 
Answer & Explanation Answer: C) Vacuum cleaner

Explanation:
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Filed Under: Inventions

7 4019
Q:

Give an example of one address microprocessor?

Answer

8085 is a one address microprocessor. In 8085 interrupts  are classified by software and hardware interrupts.

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Subject: Hardware

3 4018
Q:

Which monument is known as "The National Monument of India"?

A) India Gate B) Gateway of India
C) Raj Ghat D) Red fort
 
Answer & Explanation Answer: A) India Gate

Explanation:
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Filed Under: Famous Places

7 4018
Q:

Which of the following is not a fossil fuel?

A) Natural Gas B) Uranium
C) Coal D) Petroleum
 
Answer & Explanation Answer: B) Uranium

Explanation:

Uranium is not a fossil fuel whereas coal, petroleum and natural gas are all natural resources.

Fossil fuels are hydrocarbons, primarily coal, fuel oil or natural gas, formed from the remains of dead plants and animals. In common dialogue, the term fossil fuel also includes hydrocarbon-containing natural resources that are not derived from animal or plant sources

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Filed Under: General Science
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Q:

Lux is the SI unit of

A) luminous flux B) luminous efficiency
C) intensity of illumination D) luminous intensity
 
Answer & Explanation Answer: C) intensity of illumination

Explanation:

The lux (lx) is the SI derived unit of illuminance and luminous emittance, measuring luminous flux per unit area. It is equal to one lumen per square meter.

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Filed Under: Physics
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6 4017
Q:

Who Invented Elevator Safety Brake ?

A) Alfred Bernhard Nobel B) Elisha Graves Otis
C) Percy LeBaron Spencer D) Garrett Augustus Morgan
 
Answer & Explanation Answer: B) Elisha Graves Otis

Explanation:
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Filed Under: Inventions

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