Questions

Q:

Which results from an increase in the greenhouse effect?

A) Ocean acidification B) Smog pollution
C) Ozone depletion D) All the above
 
Answer & Explanation Answer: D) All the above

Explanation:

A greenhouse gas (GHG) is any gas in the atmosphere that absorbs and emits radiation in the thermal infrared range.

 

The increase in average global temperatures that results from an enhanced greenhouse effect.

Effects of increased greenhouse gas emissions:

Increases in the different greenhouse gases have other effects apart from global warming including ocean acidification, smog pollution, ozone depletion as well as changes to plant growth and nutrition levels.

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Q:

Which of the following is Not a form of Energy?

A) Heat B) Sound
C) Motion D) Pressure
 
Answer & Explanation Answer: D) Pressure

Explanation:

Pressure is Not a form of Energy.

 

Energy : It is defined as the ability to do work.

Energy comes in two basic forms. They are :

1. Potential Energy

2. Kinetic Energy

 

Potential Energy is any type of stored energy. It can be chemical, nuclear, gravitational, or mechanical.

Kinetic Energy is found in movement. An airplane flying or a meteor plummeting each have kinetic energy. Even the tiniest things have kinetic energy, like atoms vibrating when they are hot or when they transmit sound waves. Electricity is the kinetic energy of flowing electrons between atoms.

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Q:

Pitot tube is used to measure

A) static pressure B) velocity at stagnation point
C) stagnation pressure D) dynamic pressure
 
Answer & Explanation Answer: C) stagnation pressure

Explanation:

pitot_tube_is_used_to_measure1547641298.jpg image

Pitot tube is used to measure stagnation pressure.

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Q:

A copper wire of radius r and length lhas a resistance of R. A second copper wire with radius 2r and length lis taken and the two wires  are  joined  in  a  parallel  combination. The  resultant  resistance   of  the  parallel combination of the two wires will be

A) 5 R B) 5 R/4
C) 4 R/5 D) R/5
 
Answer & Explanation Answer: D) R/5

Explanation:

1st copper wire: R = pl/A = pl/ πr2

2ndcopper wire: R’ = p’l’/A’ = pl/(4 πr2) = R/4

If joined in parallel, (1/Req) = (1/R) + (1/R’)

= 1/R + 4/R1/Req= 5/R

Req= R/5

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Q:

Infection of salivary glands by a virus leads to 

A) tetanus B) mumps
C) pyorrhoea D) ulcers
 
Answer & Explanation Answer: B) mumps

Explanation:

Mumps: This is a swelling caused by inflammation of parotid glands placed in front of our ear region. The Inflammation is caused by a virus.

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Q:

Which among the following minerals is also known as Horn Silver?

A) Silver Chroride B) Zinc Phosphate
C) Silver Iodide D) Silver Sulphide
 
Answer & Explanation Answer: A) Silver Chroride

Explanation:

Silver chloride is a chemical compound with the chemical formula AgCl is also called as Horn Silver. It is also called as cerargyrite. It is a gray, very heavy halide mineral and an ore of silver.

Which_among_the_following_minerals_is_also_known_as_Horn_Silver1560942904.jpg image

 

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Q:

Government launches NEW INDIA initiative with which company ?

A) IBM B) BSNL
C) GOOGLE D) Microsoft
 
Answer & Explanation Answer: C) GOOGLE

Explanation:

In keeping with Prime Minister Narendra Modi's vision of a 'New India', Google India and the Ministry of Electronics and Information Technology (MEITY) announced a set of initiatives aimed at empowering citizens and creating abundant oppurtunities for all.

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Q:

Can anyone solve this in 20 seconds?

Answer

3+2×55=113


 


(or)


 


3+2×10=23

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Subject: Logic Puzzles Exam Prep: Bank Exams

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