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Q:

Gases used in normal welding?

A) Oxygen and Acetylene B) Acetylene and Nitrogen
C) Oxygen, Hydrogen and Acetylene D) Oxygen and Hydrogen
 
Answer & Explanation Answer: A) Oxygen and Acetylene

Explanation:

Normal Gas welding use oxygen-acetylene.

 

Depending on what materials you are welding, there are some more options that might be used.

For example - MIG/TIG use Argon, MAG use an argon-something mix.

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Filed Under: Chemistry
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Q:

Proclamation of Emergency under Article 352 has been done How many times ?

A) 4 B) 3
C) 2 D) 1
 
Answer & Explanation Answer: B) 3

Explanation:
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Filed Under: Indian Politics
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Q:

Which state Chief minister launches ridesharing app for techies G-Ride ?

A) Karnataka B) Uttar Pradesh
C) Kerala D) Goa
 
Answer & Explanation Answer: C) Kerala

Explanation:
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Filed Under: General Awareness
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Q:

Can ROM be used as stack?

Answer

ROM cannot be used as stack because it is not possible to write to ROM.

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Subject: Hardware

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Q:

Everyone has it and no one can lose it. What is it?

A) Face B) Teeth
C) Hair D) Shadow
 
Answer & Explanation Answer: D) Shadow

Explanation:
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Filed Under: Logic Puzzles
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Q:

What treat was invented by 11-year-old Frank Epperson in 1905?

A) Popsicle B) Banana split
C) Cotton candy D) Cracker Jacks
 
Answer & Explanation Answer: A) Popsicle

Explanation:
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Filed Under: Inventions

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Q:

Which of the following is not an Output device?

A) Scanner B) Moniter
C) Printer D) Speakers
 
Answer & Explanation Answer: A) Scanner

Explanation:
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Filed Under: Computer
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Q:

Two trains cross each other in _____ time ? 

17499494_1251651558275279_9192886760450524065_n1500008429.png image

A) 145 sec B) 124 sec
C) 158 sec D) 162 sec
 
Answer & Explanation Answer: D) 162 sec

Explanation:

Given two trains of length = 180 mts + 180 mts 

The distance is = Length of trains = 360 mts 

Speed = 58 - 50 = 8 kmph x 5/18 m/s

Then, Time = dis/speed = (360x18) / (8x5) = 162 sec.

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Filed Under: Math Puzzles
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