The cylindrical shell of a Lancashire boiler has diameter from 1 to 2 m 1.25 to

CuriousTab

CuriousTab

Home Aptitude

Discussion

Home ‣ Mechanical Engineering ‣ Steam Boilers and Engines Comments

Question
The cylindrical shell of a Lancashire boiler has diameter from
Options
A. 1 to 2 m
B. 1.25 to 2.25 m
C. 1.5 to 2.5 m
D. 1.75 to 2.75 m

Correct Answer

1.75 to 2.75 m

Steam Boilers and Engines problems

Search Results

3. Blow off cock in a boiler is used to
Options
A. control the flow of steam from the boiler to the main pipe and to shut off the steam completely when required
B. empty the boiler when required and to discharge the mud, scale or sediments which are accumulated at the bottom of the boiler
C. put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit
D. increase the temperature of saturated steam without raising its pressure

6. The ratio of heat actually used in producing the steam to the heat liberated in the furnace, is known as
Options
A. equivalent evaporation
B. factor of evaporation
C. boiler efficiency
D. power of a boiler

9. In a single acting steam engine
Options
A. the steam is admitted on one side of the piston and one working stroke is produced during each revolution of the crankshaft
B. the steam is admitted, in turn, on both sides of the piston and one working stroke is produced during each revolution of the crankshaft
C. the steam is admitted on one side of the piston and two working strokes are produced during each revolution of the crankshaft
D. the steam is admitted, in turn, on both sides of the piston and two working strokes are produced during each revolution of the crankshaft.

Comments

More in Mechanical Engineering: