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MCQs

Total Questions : 97 | Page 5 of 10 pages
Question 41. A room contains 35 kg of dry air and 0.5 kg of water vapor. The total pressure and temperature of
air in the room are 100 kPa and 25°C respectively. Given that the saturation pressure for water at
25°C is 3.17 kPa, the relative humidity of the air in the room is
  1.    67%
  2.    55%
  3.    83%
  4.    71%
 Discuss Question
Answer: Option D. -> 71%


-NA-


Question 42. The state of stress at a point under plane stress condition is
σxx = 40 MPa, σyy = 100 MPa and Ï„xy = 40 MPa. The radius of the Mohr's circle representing the given state of stress in MPa is
  1.    40
  2.    50
  3.    60
  4.    100
 Discuss Question
Answer: Option B. -> 50


-NA-


Question 43. The inverse Laplace transform of the function F(s) = 1/s(s + 1) is given by
  1.    f (t) = sint
  2.    f (t) = e-t sint
  3.    f (t) = e-t
  4.    f (t) = 1 - e-t
 Discuss Question
Answer: Option D. -> f (t) = 1 - e-t


-NA-


Question 44. Were you a bird, you ___________________ in the sky.
  1.    would fly
  2.    shall fly
  3.    should fly
  4.    shall have flown
 Discuss Question
Answer: Option A. -> would fly


-NA-


Question 45. Out of all the 2-digit integers between 1 and 100, a 2-digit number has to be selected at random.
What is the probability that the selected number is not divisible by 7?
  1.    13/90
  2.    12/90
  3.    78/90
  4.    77/90
 Discuss Question
Answer: Option D. -> 77/90


-NA-


Question 46. What will be the maximum sum of 44, 42, 40, ...... ?
  1.    502
  2.    504
  3.    506
  4.    509
 Discuss Question
Answer: Option C. -> 506


-NA-


Question 47. Choose the grammatically INCORRECT sentence:
  1.    He is of Asian origin.
  2.    They belonged to Africa.
  3.    She is an European.
  4.    They migrated from India to Australia.
 Discuss Question
Answer: Option C. -> She is an European.


-NA-


Question 48. Which one of the following options is the closest in meaning to the word given below? Nadir
  1.    Highest
  2.    Lowest
  3.    Medium
  4.    Integration
 Discuss Question
Answer: Option B. -> Lowest


-NA-


Question 49. A tourist covers half of his journey by train at 60 km/h, half of the remainder by bus at 30 km/h and
the rest by cycle at 10 km/h. The average speed of the tourist in km/h during his entire journey is
  1.    36
  2.    30
  3.    24
  4.    18
 Discuss Question
Answer: Option C. -> 24


-NA-


Question 50. The current erection cost of a structure is Rs. 13,200. If the labour wages per day increase by 1/5 of
the current wages and the working hours decrease by 1/24 of the current period, then the new cost
of erection in Rs. is
  1.    16,500
  2.    15,180
  3.    11,000
  4.    10,120
 Discuss Question
Answer: Option B. -> 15,180


-NA-


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