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Learn AIR FORCE MCQs with answers [Page 1 of Department 71]

H

Harikesh • 8.03K Points
Tutor III

1) By selling an article at some price, a man gains 10% . If the article is sold at twice of the price, the gain percent will be

(A) 20%
(B) 60%
(C) 100%
(D) 120%
Correct Answer - Option (D)

No Explanation found. Add Explanation and get +2 points.

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R

Ram Sharma • 188.81K Points
Coach

3) Water is not suitable as a calorimetric substance as it:

(A) low latent heat of vapourization
(B) has high specific heat
(C) is a good conductor
(D) has high boiling point
Correct Answer - Option (B)

No Explanation found. Add Explanation and get +2 points.

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R

Ram Sharma • 188.81K Points
Coach

5) Carbon footprint can be reduced by

(A) Using energy efficient appliances
(B) Recycling waste materials
(C) Commuting by public transport
(D) All of these
Correct Answer - Option (D)

No Explanation found. Add Explanation and get +2 points.

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R

Ram Sharma • 188.81K Points
Coach

6) A fresh egg sinks in pure water but floats in salty water. This is because

(A) Saline water is denser than pure water
(B) The viscosity of saline water is higher than that of pure water
(C) The surface tension of saline water is lower than that of pure water
(D) Saline water is lighter than pure water
Correct Answer - Option (A)

No Explanation found. Add Explanation and get +2 points.

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D

Deepak Sahoo • 10.63K Points
Tutor II

7) How many fundamental duties are there in Indian constitution?

(A) 9
(B) 10
(C) 11
(D) 12
Correct Answer - Option (C)

Explanation :
42nd Amendment Act of 1976 added ten fundamental duties under Article-51(A). But at present there are eleven fundamental duties. Eleventh duty which is duty of every parent or guardian to provide opportunities for education to his/her child between age of 6 to 14 years was added by 86th Amendment Act of 2002.

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R

Ram Sharma • 188.81K Points
Coach

9) The polymerisation of Which among the given is used in manufacturing of polythene in industry -

(A) Styrene
(B) Acetylene
(C) Methane
(D) Ethylene
Correct Answer - Option (D)

No Explanation found. Add Explanation and get +2 points.

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R

Ram Sharma • 188.81K Points
Coach

10) Which among the given is not caused by atmospheric refraction of light -

(A) Sun becoming visible two or three minutes before actual sunrise
(B) Twinkling of stars at night
(C) Sun appearing red at sunset
(D) Sun appearing higher in the sky than it actually is
Correct Answer - Option (D)

No Explanation found. Add Explanation and get +2 points.

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