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MCQs

Total Questions : 1935 | Page 28 of 194 pages
Question 271. The length of Lancashire boiler varies from
  1.    5 to 6 m
  2.    6 to 7 m
  3.    7.25 to 9 m
  4.    9 to 10 m
 Discuss Question
Answer: Option C. -> 7.25 to 9 m
Question 272. The length of Cornish boiler varies from
  1.    2 to 4.5 m
  2.    3 to 5 m
  3.    5 to 7.5 m
  4.    7 to 9 m
 Discuss Question
Answer: Option C. -> 5 to 7.5 m
Question 273. The diameter of a cylindrical shell of a Scotch marine boiler varies from
  1.    1.5 to 2 m
  2.    2.5 to 3.5 m
  3.    3.5 to 4.5 m
  4.    None of these
 Discuss Question
Answer: Option B. -> 2.5 to 3.5 m
Question 274. The diameter of Cornish boiler varies from
  1.    0.5 to 1 m
  2.    1 to 2 m
  3.    1.25 to 2.5 m
  4.    2 to 3 m
 Discuss Question
Answer: Option B. -> 1 to 2 m
Question 275. The fusible plug in small boilers is located
  1.    In the drum
  2.    In the fire tubes
  3.    Above steam dome
  4.    Over the combustion chamber
 Discuss Question
Answer: Option D. -> Over the combustion chamber
Question 276. During polytropic process
  1.    Heat transfer takes place across cylinder walls
  2.    Work is done
  3.    Steam may be wet, dry or superheated after expansion
  4.    All of the above
 Discuss Question
Answer: Option D. -> All of the above
Question 277. The amount of water evaporated from feed water at _________ into dry and saturated steam at 100° C at normal atmospheric pressure is called equivalent evaporation from and at 100° C.
  1.    0°C
  2.    40°C
  3.    60°C
  4.    100°C
 Discuss Question
Answer: Option D. -> 100°C
Question 278. The length of shell of a Locomotive boiler is
  1.    1 m
  2.    2 m
  3.    3 m
  4.    4 m
 Discuss Question
Answer: Option D. -> 4 m
Question 279. The diameter of superheated tubes in a locomotive boiler is
  1.    13 mm
  2.    31 mm
  3.    130 mm
  4.    230 mm
 Discuss Question
Answer: Option C. -> 130 mm
Question 280. The shell diameter of a Locomotive boiler is
  1.    1 m
  2.    1.5 m
  3.    2 m
  4.    2.5 m
 Discuss Question
Answer: Option B. -> 1.5 m

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