Q.1
Which of the following is the correct range of the diameter of shell for a Lancashire boiler?
  • a) 1 to 2 m
  • b) 2 to 3 m
  • c) 3 to 4 m
  • d) 4 to 5 m
Q.2
Which of the following statements is TRUE about Lancashire boiler?
  • a) The length of its shell is about 10 m
  • b) It has a steam capacity of 12000 kg/hr
  • c) It is a water tube boiler
  • d) Its efficiency is about 50 to 70%
Q.3
What is the maximum working pressure of a Lancashire boiler?
  • a) 10 bar
  • b) 12 bar
  • c) 14 bar
  • d) 16 bar
Q.4
In Lancashire boiler, an arrangement is made so that burning coal and ashes do not enter the furnace tubes. What is that arrangement called?
  • a) Low brickwork fire bridge
  • b) Ash-filter
  • c) Filtering mesh
  • d) Furnace separator
Q.5
How many fire tubes (Furnace tubes) does a Lancashire boiler has?
  • a) One
  • b) Two
  • c) Three
  • d) Four
Q.6
What is the function of dampers in Lancashire boiler?
  • a) They control the flow of hot gases to the chimney
  • b) They regulate the fire in the furnace
  • c) They control the flow water to the boiler
  • d) They control the steam going out of the boiler
Q.7
The efficiency of Locomotive boiler is around _____
  • a) 30%
  • b) 50%
  • c) 70%
  • d) 90%
Q.8
What is the steam capacity of a Locomotive boiler?
  • a) 3000 kg/hr
  • b) 5000 kg/hr
  • c) 7000 kg/hr
  • d) 9000 kg/hr
Q.9
What is the working pressure of a Locomotive boiler?
  • a) 12 bar
  • b) 14 bar
  • c) 16 bar
  • d) 18 bar
Q.10
In locomotive boiler, why natural draught cannot be obtained?
  • a) The chimney height required is too low
  • b) The boiler keeps moving, cannot maintain a constant pressure difference
  • c) The chimney height required is too high
  • d) The diameter of chimney required is impractical
Q.11
Which of the following statements is FALSE about a Locomotive boiler?
  • a) It has high steam capacity
  • b) It is portable
  • c) Scale formation and corrosion could take place
  • d) Water spaces can be cleaned easily
Q.12
In case of Locomotive boilers, what purpose the dampers serve?
  • a) They control the flow of air to grate
  • b) They control the flow of hot gases
  • c) They control the flow of steam leaving the boiler
  • d) They reduce the intensity of fire, if needed
Q.13
In Locomotive boilers, the superheater tubes are placed inside the fire tubes.
  • a) True
  • b) False
Q.14
Which of the following statements is FALSE about steam dome in Locomotive boilers?
  • a) It is located at the upper part of the barrel
  • b) It has a regulator to regulate the steam flow
  • c) It is the chamber to collect the steam produced
  • d) From steam dome, the steam flows into the chamber through a steam pipe
Q.15
When the locomotive is at rest, there is no exhaust steam available. So, fresh steam from the boiler is used as exhaust steam.
  • a) True
  • b) False
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