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MCQs

Total Questions : 206 | Page 12 of 21 pages
Question 111. The pump with a low initial cost and low maintenance cost is
  1.    gear pump
  2.    bucket pump
  3.    double acting piston pump
  4.    centrifugal pump
 Discuss Question
Answer: Option D. -> centrifugal pump


centrifugal pump


Question 112. Which of the following operations cannot be performed on a lathe
  1.    facing
  2.    drilling
  3.    thread cutting
  4.    slotting
 Discuss Question
Answer: Option D. -> slotting


slotting


Question 113. In Industry of the developed nations the type of production most often occurring is
  1.    Mass production
  2.    Batch production
  3.    Single lot production
  4.    Create lot production
 Discuss Question
Answer: Option B. -> Batch production


Batch production


Question 114. Draft on a pattern is provided for
  1.    facilitating pattern making
  2.    easy lifting of the casting
  3.    facilitating withdrawal of the pattern from the mould
  4.    providing for strinkage of the casting
 Discuss Question
Answer: Option D. -> providing for strinkage of the casting


providing for strinkage of the casting


Question 115. Quick return motion is used in a
  1.    lathe
  2.    drilling
  3.    shaper
  4.    grinder
 Discuss Question
Answer: Option C. -> shaper


shaper


Question 116. A low wet bulb temperature indicates
  1.    cool air
  2.    cool air with high specific humidity
  3.    cool air with high enthalpy
  4.    cool air with low specific humidity
 Discuss Question
Answer: Option B. -> cool air with high specific humidity


cool air with high specific humidity


Question 117. A feather key is on one the following types
  1.    sunk
  2.    tapered
  3.    parallel
  4.    tangent
 Discuss Question
Answer: Option A. -> sunk


sunk


Question 118. Air refrigeration cycle works on the
  1.    Brayton cycle
  2.    Bell Coleman cycle
  3.    Carnot cycle
  4.    Sterling cycle
 Discuss Question
Answer: Option B. -> Bell Coleman cycle


Bell Coleman cycle


Question 119. The moisture in air will condense at
  1.    wet bulb temperature
  2.    low point temperature
  3.    saturaion temperature
  4.    dry bulb temperature
 Discuss Question
Answer: Option B. -> low point temperature


low point temperature


Question 120. 1.25 kg of hydrogen are burnt with stiochiometric air, the mass of air in kg required is (choose the nearest value)
  1.    10.0
  2.    21.6
  3.    43.5
  4.    48.6
 Discuss Question
Answer: Option C. -> 43.5


43.5


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