Questions

Q:

What it goes up but never comes down?

A) Umbrella B) Hot air balloon
C) Age D) Rocket
 
Answer & Explanation Answer: C) Age

Explanation:

Yeah, its your AGE which always goes up but sadly never comes down.

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Q:

The 'land of eternal spring' are certain parts of ______

A) Tundra region B) Highland region
C) Mediterranean region D) Hot-Wet Equatorial region
 
Answer & Explanation Answer: D) Hot-Wet Equatorial region

Explanation:

In high plateaus of the Hot  Wet Equatorial Region the temperature is very much lower and so the "Ecuador type' of climate develops typically on the high plateau of Ecuador at an elevation of about 2430 to 3050 meter. Because of the pleasant average temperature of, 13oC. This is described as the "Land of eternal spring".

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Q:

The most valuable cash crop of Brazil is 

A) Tea B) Coffee
C) Cardamom D) Spices
 
Answer & Explanation Answer: B) Coffee

Explanation:

Warm, moist climate (with a temperature of 180 C- 270C and well-distributed rainfall between 125 to 200 cms) and deep, loamy, well-drained soil made of weathered lava are most suitable for the cultivation of coffee. However,  Brazil is a quantity producer and not a quality producer.

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Q:

The difference between the diameter of the Earth at the poles and at equator is

A) 27 miles B) 36 miles
C) 48 miles D) 57 miles
 
Answer & Explanation Answer: A) 27 miles

Explanation:

This difference proves that the earth is flattened at the poles and is thus, not a perfect sphere. The shape is reffered to as "geoid"

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Q:

Circuit breaker usually operate under

A) after D. C. component has ceased B) transient state of short-circuit current
C) sub-transient state of short-circuit current D) steady state of short-circuit current
 
Answer & Explanation Answer: B) transient state of short-circuit current

Explanation:
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Q:

Who of the following was the first scientific geographer who ascertained the length of equator on sound principles?

A) Herodotus B) Hecataeus
C) Anaximander D) Eratosthenes
 
Answer & Explanation Answer: D) Eratosthenes

Explanation:
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Q:

Who is Dr. Kasturirangan

A) Chairman, ISRO B) Finance Secretary,Govt. of TamilNadu
C) Vice Chancellor,Anna University D) Director,DRDO
 
Answer & Explanation Answer: A) Chairman, ISRO

Explanation:
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Q:

what is the gram formula mass of NH43PO4?

A) 139.54 B) 140.70
C) 149.08 D) 153.24
 
Answer & Explanation Answer: C) 149.08

Explanation:

The gram formula mass is nothing but molar mass.

 

Composition :

 

Symbol      Element       Atomic weight       Atoms
   

     P         Phosphorus       30.973762               1       = 30.973
   

     O         Oxygen             15.9994                  4       =  63.998
   

     N         Nitrogen            14.0067                  3       =  42.020
   

     H         Hydrogen          1.00794                  12      =  12.096

   

Total   =  30.973+63.998+42.020+12.096 = 149.087

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