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MCQs

Total Questions : 150 | Page 9 of 15 pages
Question 81. Consider the following statements
1.Horsepower is a bigger unit of power than kilowatt.
2.One thousand crore is equal to 1010.
3.One acre is slightly greater than 5000 square metres.
Which of the statements given above is/are correct?
  1.    1 and 2
  2.    2 only
  3.    1 and 3
  4.    2 and 3
 Discuss Question
Answer: Option D. -> 2 and 3
:
D
Option:(d)
Question 82. Consider the following statements:
1.A geo-stationary satellite is at an approximate height of 10,000 km.
2.FM transmission of music is a very good quality because the atmospheric or man made noises which are generally frequency variations can do little harm.
Which of the statements given above is/are correct?
  1.    1 only
  2.    2 only
  3.    Both 1 and 2
  4.    Neither 1 nor 2
 Discuss Question
Answer: Option B. -> 2 only
:
B
Option:(b)
Question 83. In a refrigerator, cooling is produced by
  1.    the ice which deposits on the freezer
  2.    the sudden expansion of a compressed gas
  3.    the evaporation of a volatile liquid
  4.    None of the above
 Discuss Question
Answer: Option C. -> the evaporation of a volatile liquid
:
C
Option:(c)
Question 84. Consider the following statements regarding electric fuse wire
1.It has low melting point
2.It has very high specific resistance
3.it is connected in parallel with the electric circuit
Which of the statements given above is/are correct?
  1.    1 only
  2.    1 and 3
  3.    1 and 2
  4.    2 and 3
 Discuss Question
Answer: Option C. -> 1 and 2
:
C
Option:(c)
Question 85. Consider the following metals
1.Uranium
2.Radium
3.Plutonium
Which of these are used in making nuclear weapons?
  1.    1 and 2
  2.    1, 2 and 3
  3.    2 and 3
  4.    1 and 3
 Discuss Question
Answer: Option D. -> 1 and 3
:
D
Option:(d)
Question 86. Match List I (Names) with List I (Contribution) and select the correct answer from the codes given below the lights.Match List I (Names) With List I (Contribution) And Select T... 
  1.    A-2,B-1,C-4,D-3
  2.    A-4,B-3,C-2,D-1
  3.    A-2,B-4,C-1,D-3
  4.    A-3,B-1,C-4,D-2
 Discuss Question
Answer: Option C. -> A-2,B-4,C-1,D-3
:
C
Option:(c)
Question 87. According to the law of conservation of energy
1.energy can be created but not destroyed
2.energy can neither be created or destroyed
3.energy can be transformed from one form to the other
  1.    1 only
  2.    2 only
  3.    2 and 3
  4.    3 only
 Discuss Question
Answer: Option C. -> 2 and 3
:
C
Option:(c)
Question 88. The following are some great discoveries in
1.X-rays
2.Theory of relativity
3.Super conductivity
4.Raman effect
The chronological order in which they were discovered is
  1.    1, 2, 3, 4
  2.    1, 2, 4, 3
  3.    1, 3, 2, 4
  4.    4, 1, 2, 3
 Discuss Question
Answer: Option A. -> 1, 2, 3, 4
:
A
Option:(a)
Question 89. Match List I (Device) with List II (Conversion) and select the correct answer from the codes given below the lists.Match List I (Device) With List II (Conversion) And Select T...
  1.    A-4,B-3,C-1,D-2
  2.    A-4,B-3,C-2,D-1
  3.    A-1,B-2,C-3,D-4
  4.    A-3,B-4,C-1,D-2
 Discuss Question
Answer: Option A. -> A-4,B-3,C-1,D-2
:
A
Option:(a)
Question 90. Consider the following statements A 4-wheel vehicle moving in a sharp circular path at high speed will
1.Overturn about its outer wheels
2.Overturn about its inner wheels
3.Skid outwards
4.Skid inwardsWhich of these statements are correct?
  1.    1 and 3
  2.    2 and 4
  3.    2 and 3
  4.    1 and 4
 Discuss Question
Answer: Option A. -> 1 and 3
:
A
Option:(a)

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