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MCQs

Total Questions : 95 | Page 7 of 10 pages
Question 61. Select the pair that best expresses a relationship similar to that expressed in the pair: water: pipe::
  1.    cart: road
  2.    electricity: wire
  3.    sea: beach
  4.    music: instrument
 Discuss Question
Answer: Option B. -> electricity: wire


-NA-


Question 62. All engineering students should learn mechanics, mathematics and how to do computation.                        I                                        II                                   III                                    IV Which of the above underlined parts of the sentence is not appropriate?
  1.    I
  2.    II
  3.    III
  4.    IV
 Discuss Question
Answer: Option D. -> IV


-NA-


Question 63. Velocity of an object fired directly in upward direction is given by V = 80 − 32 t, where t (time)
is in seconds. When will the velocity be between 32 m/sec and 64 m/sec?
  1.    (1, 3/2)
  2.    (1/2, 1)
  3.    (1/2, 3/2)
  4.    (1, 3)
 Discuss Question
Answer: Option C. -> (1/2, 3/2)


-NA-


Question 64. If |-2X + 9| = 3 then the possible value of |-X| - X2 would be:
  1.    30
  2.    -30
  3.    -42
  4.    42
 Discuss Question
Answer: Option B. -> -30


-NA-


Question 65. In a factory, two machines M1 and M2 manufacture 60% and 40% of the auto components
respectively. Out of the total production, 2% of M1 and 3% of M2 are found to be defective. If a
randomly drawn auto component from the combined lot is found defective, what is the probability
that it was manufactured by M2?
  1.    0.35
  2.    0.45
  3.    0.5
  4.    0.4
 Discuss Question
Answer: Option C. -> 0.5


-NA-


Question 66. All professors are researchers Some scientists are professors Which of the given conclusions is logically valid and is inferred from the above arguments:
  1.    All scientists are researchers
  2.    All professors are scientists
  3.    Some researchers are scientists
  4.    No conclusion follows
 Discuss Question
Answer: Option C. -> Some researchers are scientists


-NA-


Question 67. A 20491 cm─1 laser line was used to excite oxygen
molecules (made of 16O only) to obtain the rotational Raman spectrum. The resulting rotational Raman
spectrum of oxygen molecule has the first Stokes line at 20479 cm─1.T he rotational constant (usually denoted as B) for the oxygen molecule is
  1.    1.2 cm─1
  2.    2.0 cm─1
  3.    3.0 cm─1
  4.    6.0 cm─1
 Discuss Question
Answer: Option A. -> 1.2 cm─1


-NA-


Question 68. A 20491 cm─1 laser line was used to excite oxygen molecules (made of 16O only) to obtain the rotational Raman spectrum. The resulting rotational Raman spectrum of oxygen molecule has the first Stokes line at 20479 cm─1. The next rotational Stokes line is expected at
  1.    20467 cm─1
  2.    20469 cm─1
  3.    20471 cm─1
  4.    20475 cm─1
 Discuss Question
Answer: Option B. -> 20469 cm─1


-NA-


Question 69. Hückel molecular orbital theory can be applied to the allene radical CH2═CH─ĊH2 The secular determinant (where α , β and E have their usual meanings) is given by
  1.    .
  2.    .
  3.    .
  4.    .
 Discuss Question
Answer: Option A. -> .


-NA-


Question 70. Raju has 14 currency notes in his pocket consisting of only Rs. 20 notes and Rs. 10 notes. The total
money value of the notes is Rs. 230. The number of Rs. 10 notes that Raju has is
  1.    5
  2.    6
  3.    9
  4.    10
 Discuss Question
Answer: Option A. -> 5


-NA-


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