logo

CuriousTab

CuriousTab

Discussion


Home Mechanical Engineering Steam Boilers and Engines Comments

  • Question
  • The effect of wire drawing is to decrease the area of indicator diagram and thus work done by the engine is reduced.


  • Options
  • A. Agree
  • B. Disagree

  • Correct Answer
  • Agree 


  • Steam Boilers and Engines problems


    Search Results


    • 1. Which of the following statement is correct?

    • Options
    • A. Lancashire boiler is a fire tube boiler.
    • B. Fire tube boilers are internally fired.
    • C. Babcock and Wilcox boiler is a water tube boiler.
    • D. all of the above
    • Discuss
    • 2. The length of shell of a Locomotive boiler is

    • Options
    • A. 1 m
    • B. 2 m
    • C. 3 m
    • D. 4 m
    • Discuss
    • 3. The function of a piston rod is

    • Options
    • 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
    • Discuss
    • 4. The function of a crosshead is to guide motion of the __________ and to prevent it from bending.

    • Options
    • A. piston rod
    • B. connecting rod
    • C. eccentric rod
    • D. valve rod
    • Discuss
    • 5. Loeffler boiler is a water tube boiler using a forced circulation of water.

    • Options
    • A. True
    • B. False
    • Discuss
    • 6. In a reciprocating steam engine, the heat energy in the steam is converted into mechanical work by the to and fro motion of the piston.

    • Options
    • A. Agree
    • B. Disagree
    • Discuss
    • 7. In radial cams, the follower moves

    • Options
    • A. in a direction perpendicular to the cam axis
    • B. in a direction parallel to the cam axis
    • C. in any direction irrespective of cam axis
    • D. along the cam axis
    • Discuss
    • 8. When screw threads are to be used in a situation where power is being transmitted in one direction only, then the screw threads suitable for this will be

    • Options
    • A. square threads
    • B. acme threads
    • C. knuckle threads
    • D. buttress threads
    • Discuss
    • 9. When a bolt is subjected to shock loading, the resilience of the bolt should be considered in order to prevent breakage at the

    • Options
    • A. head
    • B. shank
    • C. thread
    • D. middle
    • Discuss
    • 10. In unilateral system of tolerance, the tolerance is allowed on

    • Options
    • A. one side of the actual size
    • B. one side of the nominal size
    • C. both sides of the actual size
    • D. both sides of the nominal size
    • Discuss


    Comments

    There are no comments.

Enter a new Comment