In a reciprocating steam engine, the connecting rod is connected to the crank by means of a pin called _____
a) Crank pin
b) Gudgeon pin
c) Wrist pin
d) U-pin
Q.2.
One of the ends of the connecting rod is connected to the cross-head by means of a pin known as crank pin.
a) True
b) False
Q.3.
Which of the following statements about connecting rod is FALSE?
a) It converts the reciprocating motion of the piston rod into circular motion of the crankshaft
b) The length of the connecting rod is half the length of the piston stroke
c) It is connected to the cross-head by means of a gudgeon pin or a wrist pin
d) It is connected to the crank by means of a crank pin
Q.4.
What is the function of a crank shaft?
a) It converts the reciprocating motion of the piston into rotary motion of the crankshaft
b) It converts the rotary motion of the crankshaft into reciprocating motion of the piston
c) It converts the rotary motion of the piton into reciprocating motion of the crankshaft
d) It converts the reciprocating motion of the crank shaft into rotary motion of the piston
Q.5.
Which of the following statements regarding the radius of a crank (of a reciprocating steam engine) is true?
a) Thrice the radius of the crank is equal to the stroke of the piston
b) One-third the radius of the crank is equal to the stroke of the piston
c) Twice the radius of the crank is equal to the stroke of the piston
d) half the radius of the crank is equal to the stroke of the piston
Q.6.
Which of the following statements about bearings (used to support crankshaft) is FALSE?
a) Split-type bearings are used
b) Bearings need lubrication
c) The portion of the crankshaft in the bearing is called journal
d) Bearings are used to stop the rotation of the crankshaft
Q.7.
In a reciprocating steam engine, what is the function of an eccentric?
a) It converts the rotary motion of the D-slide valve into the reciprocating motion of the crankshaft
b) It converts the reciprocating motion of the D-slide valve into the rotary motion of the crankshaft
c) It converts the reciprocating motion of the crankshaft into the rotary motion of the D-slide valve
d) It converts the rotary motion of the crankshaft into the reciprocating motion of the D-slide valve
Q.8.
The cylindrical grooved pulley of the eccentric, which is fixed on the crankshaft is called _____
a) Strap
b) Sheaf
c) Sheave
d) Eccentric pulley
Q.9.
Flywheel is used in a reciprocating steam engine to maintain constant angular motion.
a) True
b) False
Q.10.
Which of the following component of a reciprocating steam engine keeps the speed of the crankshaft constant over a period, when there is variation of load on the engine?
a) Flywheel
b) Governor
c) Eccentric
d) Piston
Q.11.
The steam pressure that acts on the exhaust side of the piston is known as _____
a) Cylinder Pressure
b) Base Pressure
c) Piston Pressure
d) Back Pressure
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