Q:

In a projectile motion, a large angle with the horizontal produces ______.

A) flat trajectory	B) curve trajectory
C) straight trajectory	D) high trajectory

Answer & Explanation Answer: D) high trajectory

Explanation:

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Q:

The pressure of a fluid varies with depth h as P = PQ+pgh, where p is the fluid density. This expression is associated with

A) Pascal’s law	B) Newton’s law
C) Bernoulli’s principle	D) Archimedes’ principle

Answer & Explanation Answer: A) Pascal’s law

Explanation:

Pascal's law is a principle in fluid mechanics that states that a pressure change occurring anywhere in a confined incompressible fluid is transmitted throughout the fluid such that the same change occurs everywhere.

This principle is stated mathematically as: P= P + rgh

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Q:

Which country blocked wikipedia in all languages?

A) China	B) Japan
C) India	D) North Korea

Answer & Explanation Answer: A) China

Explanation:

China blocked wikipedia in all languages recently in May 2019.

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Filed Under: General Awareness
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Q:

Which of these is exhibiting kinetic energy?

A) an archer with a flexed bow	B) a person sitting on a couch while watching TV
C) a space station orbiting Earth	D) All of the above

Answer & Explanation Answer: C) a space station orbiting Earth

Explanation:

Any moving object can exhibit kinetic energy, as kinetic energy is also known as Motional energy.

In the given options, only a space station orbiting Earth is in motion and all the other are in rest position.

Hence, option C) a space station orbiting Earth is only exhibiting kinetic energy.

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Q:

Factors that aid venous return include all except

A) pressure changes in the thorax	B) urinary output
C) activity of skeletal muscles	D) venous valves

Answer & Explanation Answer: B) urinary output

Explanation:

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Q:

The law of demand states that other things equal

A) as the price increases, the quantity demanded will decrease.	B) as the price increases, the quantity demanded will increase.
C) as the price decreases, the demand curve will shift to the right.	D) as the price increases, the demand will decrease.

Answer & Explanation Answer: A) as the price increases, the quantity demanded will decrease.

Explanation:

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Filed Under: Indian Economy
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Q:

Assessing opportunity cost involves

A) choosing consequences over profits	B) maximizing profit and loss
C) making choices and dealing with consequences	D) Both B & C

Answer & Explanation Answer: C) making choices and dealing with consequences

Explanation:

Assessing opportunity cost involves making choices and dealing with consequences.

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Q:

Who began public health and sanitation systems?

A) Mexicans	B) Egyptians
C) Romans	D) Chinese

Answer & Explanation Answer: C) Romans

Explanation:

Romans (753 BC - AD 410) began public health and sanitation systems.

Romans established the first public health and sanitation systems by building sewers and aqueducts.

Romans1531898190.jpg image

They also treated diseases with diet, exercise and meditation.

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