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Home Mechanical Engineering Steam Boilers and Engines Comments

  • Question
  • Throttle governing of steam engines is a method of controlling the engine output by varying


  • Options
  • A. volume of intake steam
  • B. pressure of intake steam
  • C. temperature of intake steam
  • D. all of these

  • Correct Answer
  • pressure of intake steam 


  • Steam Boilers and Engines problems


    Search Results


    • 1. The Locomotive boiler has

    • Options
    • A. 137 fire tubes and 44 superheated tubes
    • B. 147 fire tubes and 34 superheated tubes
    • C. 157 fire tubes and 24 superheated tubes
    • D. 167 fire tubes and 14 superheated tubes
    • Discuss
    • 2. The cut-off ratio is the reciprocal of expansion ratio,

    • Options
    • A. Correct
    • B. Incorrect
    • Discuss
    • 3. The ratio of the clearance volume to the swept volume is called

    • Options
    • A. cut-off ratio
    • B. expansion ratip
    • C. clearance ratio
    • D. none of these
    • Discuss
    • 4. Cornish boilers are multi-tubular boilers.

    • Options
    • A. True
    • B. False
    • Discuss
    • 5. In a Tandem type compound engine, the high pressure and low pressure cylinders

    • Options
    • A. have common piston rod
    • B. are set at 90°
    • C. have separate piston rods
    • D. are set in V - arrangement
    • Discuss
    • 6. In cross compounding, the cylinders are arranged

    • Options
    • A. side by side and each cylinder has common piston, connecting rod and crank
    • B. side by side and each cylinder has separate piston, connecting rod and crank
    • C. at 90° and each cylinder has common piston, connecting rod and crank
    • D. at 90° and each cylinder has separate piston, connecting rod and crank
    • Discuss
    • 7. There is always some steam left in the clearance space from the previous stroke. This steam left in the clearance space is called

    • Options
    • A. wet steam
    • B. saturated steam
    • C. superheated steam
    • D. cushion steam
    • Discuss
    • 8. The function of an eccentric is to provide __________ motion to the slide valve.

    • Options
    • A. reciprocating
    • B. rotary
    • Discuss
    • 9. A __________ in a boiler is used to put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit.

    • Options
    • A. blow off cock
    • B. fusible plug
    • C. stop valve
    • D. safety valve
    • Discuss
    • 10. The clearance in the engine cylinder

    • Options
    • A. increases the mean effective pressure
    • B. increases the workdone
    • C. decreases the efficiency of the engine
    • D. all of these
    • Discuss


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