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MCQs

Total Questions : 95 | Page 10 of 10 pages
Question 91. The Velocity of water in a pipe of area 5 m² is 10 m/s, what will be the flow rate of water?
  1.    25 m³/s
  2.    50 m³/s
  3.    75 m³/s
  4.    100 m³/s
 Discuss Question
Answer: Option B. -> 50 m³/s
Answer: (b).50 m³/s
Question 92. 10 moles of oxygen divides and enters two reactors flow rate 45 kg/s and leaves the reactors at the flow rates of 6 kg/s and 9 kg/s, what are number of moles of oxygen that leaves the reactor with 9 kg/s?
  1.    180
  2.    450
  3.    60
  4.    90
 Discuss Question
Answer: Option D. -> 90
Answer: (d).90
Question 93. A Composition of carbon dioxide, oxygen and nitrogen with mole ratio 1:2:5 with 4 moles of oxygen, enters a reactor with a flow rate of 100 kg/s, the ratio of rates of leaving the reactor of the three is 5:2:1, and 5 moles of nitrogen leaves the reactor, what is the total number of moles leaving the reactor?
  1.    6.1
  2.    6.2
  3.    6.3
  4.    6.4
 Discuss Question
Answer: Option B. -> 6.2
Answer: (b).6.2
Question 94. A liquid of density 0.1 kg/m³ is flowing through a pipe at a rate of 15 kg/s, what will be the area of the pipe if the fluid Velocity is 5 m/s?
  1.    30 m²
  2.    45 m²
  3.    75 m²
  4.    90 m²
 Discuss Question
Answer: Option A. -> 30 m²
Answer: (a).30 m²
Question 95. 1 mole of Carbon dioxide enters in a reactor at a rate of 0.25 kg/s and leaves it at the rate of 1 kg/s, what are the number of moles of carbon dioxide leaves the reactor?
  1.    0.25
  2.    0.5
  3.    0.75
  4.    1
 Discuss Question
Answer: Option A. -> 0.25
Answer: (a).0.25

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