Questions

Q:

When was Barb Wire patented

A) 1898 B) 1868
C) 1874 D) 1866
 
Answer & Explanation Answer: C) 1874

Explanation:

Joseph F. Glidden - Father of Barbed Wire.

      • Glidden was born in New York in 1812. He invented Barbed Wire in 1873 and was granted the patent on Nov. 24, 1874. After a three year battle over the patent, which he eventually won received a patent for the modern invention in 1874 after he made his own modifications to previous versions.
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Q:

A man stands on the pan of a balance holding a fish in his right hand and bucket of water in his left hand. If he transfers the fish into the bucket, the total weight on the pan

A) increases B) decreases
C) remains the same D) first increases and then decreases
 
Answer & Explanation Answer: C) remains the same

Explanation:

Before transferring the fish, the position is the man with the fish and the bucket of water. After transferring the position is : the man without the fish, but the fish inside the water in the bucket. Thus to know whether there is any change in weight, it is enough to consider whether there is any change in weight when the fish in air is transferred into the water. The answer is there is no change as when in water though it loses weight due to upthrust of water on it, the level of water increases and exerts an equal force at the bottom

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Q:

A Step-Up Transformer Increases

A) Power B) Current
C) Frequency D) Voltage
 
Answer & Explanation Answer: D) Voltage

Explanation:

A transformer that increases voltage from primary to secondary (more secondary winding turns than primary winding turns) is called a Step-Up Transformer.

Conversely, a transformer designed to do just the opposite is called a Step-Down Transformer. 

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Q:

How many Lok Sabha seats belong to Rajasthan?

A) 25 B) 17
C) 48 D) 2
 
Answer & Explanation Answer: A) 25

Explanation:

The maximum size of the Lok Sabha as outlined in the Constitution of India is 552 members made up of up to 530 members representing people of the states of India and up to 20 members representing people from the Union Territories on the basis of their population and 2 Anglo-Indians are nominated by President.

The number of Parliamentary Seats for the States :

Andhra Pradesh & Rajasthan - Each 25

Maharashtra - 48

Telangana - 17

Arunachal Pradesh, Bihar, Manipur, Meghalaya, Tripura - Each 02 

Uttar Pradesh has the highest with - 80

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Q:

Which of these relationships is true of an uncharged atom?

A) The atomic mass is equal to the atomic number. B) The number of electrons is equal to the number of neutrons.
C) The number of protons is equal to the number of electrons. D) The atomic mass is equal to the number of electrons.
 
Answer & Explanation Answer: C) The number of protons is equal to the number of electrons.

Explanation:

The number of protons is equal to the number of electrons. That is the number of positive charges is equal to the number of negative charges.

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Q:

 Who amongst the following received last telegram in India ?

A) Manmohan Singh B) Pranab Mukherjee
C) Rahul Gandhi D) Sonia Gandhi
 
Answer & Explanation Answer: C) Rahul Gandhi

Explanation:
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Q:

Mass number is always equal to ______.

 

A) number of protons B) number of neutrons
C) sum of number of protons and number of electrons D) sum of number of protons and number of neutrons
 
Answer & Explanation Answer: D) sum of number of protons and number of neutrons

Explanation:
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Q:

Who is the author of the book " The Argumentative "

A) V.S.Naipaul B) Vikram Seth
C) Sashi Tharoor D) Amartya Sen
 
Answer & Explanation Answer: D) Amartya Sen

Explanation:
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