Q.1
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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