Lakshya Education MCQs

Question: The locomotive boiler has
Options:
A. 137 fire tubes and 44 superheated tubes
B. 147 fire tubes and 34 superheated tubes
C. 157 fire tubes and 24 superheated tubes
D. 167 fire tubes and 14 superheated tubes
Answer: Option C

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More Questions on This Topic :

Question 1. Which is not the correct statement about moisture in coal?
  1.     Inherent moisture and surface moisture are different things
  2.     In some coals moisture may be present up to 40%
  3.     Some moisture in coal helps in better burning which is not possible with completely dry coal
  4.     It increases thermal efficiency
Answer: Option D
Question 2. A device used to heat feed water by utilizing the heat in me exhaust flue gases before leaving through the chimney, is known as
  1.     Economizer
  2.     Fusible plug
  3.     Superheater
  4.     Stop valve
Answer: Option A
Question 3. The shell diameter and length of locomotive boiler are
  1.     1.5 m, 4 m
  2.     1.5 m, 6 m
  3.     1 m, 4 m
  4.     2 m, 4 m
Answer: Option A
Question 4. The shell diameter and length of locomotive boiler are
  1.     1.5 m, 4 m
  2.     1.5 m, 6 m
  3.     1 m, 4 m
  4.     2 m, 4 m
Answer: Option A
Question 5. The diameters of fire tubes and superheater tubes in locomotive boiler are
  1.     47.5 mm, 130 mm
  2.     32.5 mm, 180 mm
  3.     65.5 mm, 210 mm
  4.     24.5 mm, 65 mm
Answer: Option A
Question 6. Which is not the correct statement about moisture in coal?
  1.     Inherent moisture and surface moisture are different things
  2.     In some coals moisture may be present up to 40%
  3.     Some moisture in coal helps in better burning which is not possible with completely dry coal
  4.     It increases thermal efficiency
Answer: Option D

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