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Q:

Chemically marble is known as

A) Calcareous rock B) Siliceous Rock
C) Argillaceous Rock D) Metamorphic Rock
 
Answer & Explanation Answer: A) Calcareous rock

Explanation:

Chemically marble is known as Calcareous rock as it is composed of carbonate minerals like calcite or dolomite.

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Filed Under: General Science
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Q:

Where are the proteins of the electron transport chain located?

A) mitochondrial matrix B) mitochondrial inner membrane
C) mitochondrial outer membrane D) mitochondrial intermembrane space
 
Answer & Explanation Answer: B) mitochondrial inner membrane

Explanation:

The proteins of the electron transport chain are present in mitochondrial inner membrane in Eukaryotes.

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Filed Under: Biology
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Q:

Slip rings are usually made of

A) Aluminium B) Copper
C) Phosphor Bronze D) Carbon
 
Answer & Explanation Answer: C) Phosphor Bronze

Explanation:

A Slip ring is a ring in a dynamo or electric motor which is attached to and rotates with the shaft, passing an electric current to a circuit via a fixed brush pressing against it.

 

Slip rings are usually made of Phosphor Bronze.

 

Slip ring motors usually have a 'phase-wound' rotor. This type of rotor has a 3-phase, double-layer, distributed winding consisting of coils used in alternators. The rotor core is made up of steel laminations which have slots to accommodate formed 3-single phase windings.

slip_rings_are_usually_made_of1535005379.png image

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Filed Under: Physics
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Q:

Who was primarily responsible for the cold war?

A) U.S B) Soviet Union
C) Both A & B D) None of the above
 
Answer & Explanation Answer: B) Soviet Union

Explanation:
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Filed Under: World History
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Q:

What is the study of flags called

A) Vexillology B) Vexillography
C) Vexology D) None of the above
 
Answer & Explanation Answer: A) Vexillology

Explanation:

The study of flags is called Vexillology and the art of flag design is called as Vexillography. The man who studies flags is called as Vexillologist.

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Filed Under: General Science
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Q:

For purifying drinking water alum is used

A) TRUE B) FALSE
Answer & Explanation Answer: A) TRUE

Explanation:

In purifying drinking water alum is used for coagulation of mud particles.

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Subject: General Science
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Q:

When should you discard a PFD?

A) When it is too small B) When its been used 1 year
C) When its been used 1 month D) When it has a torn strap
 
Answer & Explanation Answer: D) When it has a torn strap

Explanation:

Personal flotation devices (PFDs), have life span upto it is damaged. Hence, When it has a torn strap you should discard a PFD.

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Filed Under: General Awareness
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Q:

You heard me before and then again. Afterward I die until you call me again.

What am I? 

Answer

ECHO.

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Subject: Logic Puzzles Exam Prep: CAT , Bank Exams , AIEEE
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