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MCQs

Total Questions : 5013 | Page 9 of 502 pages
Question 81. __________ cycle is the most efficient thermodynamic cycle.
  1.    Diesel
  2.    Otto
  3.    Rankine
  4.    Carnot
 Discuss Question
Answer: Option D. -> Carnot
Question 82. The burnout heat flux in the nucleate boiling regime is not a function of the
  1.    Liquid density
  2.    Vapour density
  3.    Temperature difference
  4.    Heat of evaporation
 Discuss Question
Answer: Option B. -> Vapour density
Question 83. 'GASOHOL' widely used in Brazil as a motor fuel is a mixture of alcohol and
  1.    Petrol
  2.    LPG
  3.    Light hydrocarbon gases (e.g. butane or propane)
  4.    None of these
 Discuss Question
Answer: Option A. -> Petrol
Question 84. The cost of providing service in a queing system decreases with the
  1.    Increased mean time in the queue
  2.    Increased arrival rate
  3.    Decreased mean time in the queue
  4.    Decreased arrival rate
 Discuss Question
Answer: Option A. -> Increased mean time in the queue
Question 85. Flywheel is provided in a machine to
  1.    Provide structural strength to the shaft
  2.    Smoothen the power impluses
  3.    Help in quick starting of the machine
  4.    None of these
 Discuss Question
Answer: Option B. -> Smoothen the power impluses
Question 86. Material of construction of the electrode used in the electric resistance welding is
  1.    Stainless steel
  2.    Graphite
  3.    Copper
  4.    Steel
 Discuss Question
Answer: Option C. -> Copper
Question 87. Silicon percentage in silicon steel used for electrical equipments is about
  1.    1
  2.    4.0
  3.    8
  4.    14
 Discuss Question
Answer: Option B. -> 4.0
Question 88. Faraday's law of electrolysis is related to the
  1.    Cation speed
  2.    Atomic number of the cation
  3.    Equivalent mass of the electrolyte
  4.    None of these
 Discuss Question
Answer: Option C. -> Equivalent mass of the electrolyte
Question 89. Stellite is a trade name for the
  1.    Cermets
  2.    Ferrous cast alloys
  3.    Non-ferrous cast alloys
  4.    Products made by powder metallurgy techniques
 Discuss Question
Answer: Option C. -> Non-ferrous cast alloys
Question 90. Which of the following transducers is most commonly used for the measurement of shock and vibration ?
  1.    Linear variable differential transducer (LVDT)
  2.    Dial gauge
  3.    Accelerometer
  4.    None of these
 Discuss Question
Answer: Option C. -> Accelerometer

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