Exercise: Steam Boilers And Engines

Questions for: Steam Boilers And Engines

The length of shell of a Locomotive boiler is
A:
1 m
B:
2 m
C:
3 m
D:
4 m
Answer: D
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An air preheater is installed
A:
before the economiser
B:
before the superheater
C:
between the economiser and chimney
D:
none of these
Answer: C
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The function of a piston rod is
A:
to guide motion of the piston rod and to prevent it from bending
B:
to transfer motion from the piston to the cross head
C:
to convert heat energy of the steam into mechanical work
D:
to exhust steam from the cylinder at proper moment
Answer: B
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The cylinder dimensions of a compound engine may be designed on the basis of
A:
equal power developed in each cylinder for uniform turning moment
B:
equal initial piston loads on all pistons for obtaining same size of piston rod, connecting rod etc. for all cylinders
C:
equal temperature drop in each cylinder for economy of steam
D:
all of the above
Answer: D
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The function of a crosshead is to guide motion of the __________ and to prevent it from bending.
A:
piston rod
B:
connecting rod
C:
eccentric rod
D:
valve rod
Answer: A
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