Q. The lenght of Cornish boiler is of the order of

  • (A) 2-4 m
  • (B) 3-5 m
  • (C) 5-7.5 m
  • (D) 7-9 m
πŸ’¬ Discuss
βœ… Correct Answer: (C) 5-7.5 m

Q. The diameter of fire tube of Cornish boiler compared to its shell is

  • (A) one half
  • (B) one third
  • (C) one-fifth
  • (D) two-fifth
πŸ’¬ Discuss
βœ… Correct Answer: (A) one half

Q. Water tube boilers are those in which

  • (A) flue gases pass through tubes and water around it
  • (B) water passes through the tubes and flue gases around it
  • (C) work is done during adiabatic expansion
  • (D) change in enthalpy
πŸ’¬ Discuss
βœ… Correct Answer: (C) work is done during adiabatic expansion

Q. Lancashire boiler is of

  • (A) stationary fire tube-type
  • (B) horizontal type
  • (C) internally fired type
  • (D) all of the above.
πŸ’¬ Discuss
βœ… Correct Answer: (D) all of the above.

Q. Fire tube boilers are those in which

  • (A) flue gases pass through tubes and water around it
  • (B) water passes through the tubes and flue gases around it
  • (C) forced circulation takes place
  • (D) tubes are laid vertically
πŸ’¬ Discuss
βœ… Correct Answer: (A) flue gases pass through tubes and water around it

Q. The number of flue tubes in Lancashire boiler is

  • (A) zero
  • (B) one
  • (C) two
  • (D) four
πŸ’¬ Discuss
βœ… Correct Answer: (C) two

Q. Which of the following is a water tube boiler

  • (A) Lancashire boiler
  • (B) Cochran boiler
  • (C) Cornish boiler
  • (D) Babcock and Wilcox boiler
πŸ’¬ Discuss
βœ… Correct Answer: (D) Babcock and Wilcox boiler

Q. The diameter of cylindrical shell of the Lancashire boiler is of the order of

  • (A) 1 to 1.25m
  • (B) 1 to 1.75 m
  • (C) 2 to 4 m
  • (D) 1.75 to 2.75 m
πŸ’¬ Discuss
βœ… Correct Answer: (D) 1.75 to 2.75 m

Q. A packaged boiler is one in which various parts like firing equipment, fans, feed pumps and automatic controls are

  • (A) supplied by same manufacturer loose and assembled at site
  • (B) supplied mounted on a single base
  • (C) purchased from several parties and packed together at site
  • (D) packaged boiler does not exist
πŸ’¬ Discuss
βœ… Correct Answer: (B) supplied mounted on a single base

Q. The diameter of internal flue tubes in a Lancashire boiler compared to its shell is

  • (A) one-half
  • (B) one-third
  • (C) one-fourth
  • (D) two-fifth.
πŸ’¬ Discuss
βœ… Correct Answer: (D) two-fifth.

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