logo

CuriousTab

CuriousTab

Steam Boilers and Engines problems

  • 1. Besides mean effective pressure, the data required to determine the indicated power of an engine include

  • Options
  • A. piston diameter, length of stroke and calorific value of fuel
  • B. piston diameter, specific fuel consumption and Calorific value of fuel
  • C. piston diameter, length of stroke and speed of rotation
  • D. specific fuel consumption, speed of rotation and torque
    • Discuss
  • 2. An economiser is installed in a boiler primarily to

  • Options
  • A. superheat the steam
  • B. reduce fuel consumption
  • C. increase steam pressure
  • D. all of these
    • Discuss
  • 3. For maximum discharge through a chimney, the temperature of flue gases inside the chimney should the slightly more than the atmospheric temperature.

  • Options
  • A. Correct
  • B. Incorrect
    • Discuss
  • 4. The amount of water evaporated or steam produced in kg per kg of fuel burnt is known as power of a boiler.

  • Options
  • A. True
  • B. False
    • Discuss
  • 5. Cut-off ratio is the ratio of

  • Options
  • A. swept volume to the volume at cut-off
  • B. volume at cut-off to the clearance volume
  • C. volume at cut-off to the swept volume
  • D. clearance volume to the volume at cut-off
    • Discuss
  • 6. Lancashire boiler has __________ internal flue tubes.

  • Options
  • A. one
  • B. two
  • C. three
  • D. four
    • Discuss
  • 7. A compound steam engine in which the high pressure and low pressure cylinders have common piston rod, is called

  • Options
  • A. receiver type compound engine
  • B. Tandem type compound engine
  • C. Woolf type compound engine
  • D. none of these
    • Discuss
  • 8. A compound steam engine requires a heavier flywheel than simple steam engines.

  • Options
  • A. True
  • B. False
    • Discuss
  • 9. In a fire tube boiler, the water is contained inside the tubes which are surrounded by flames and hot gases from outside.

  • Options
  • A. True
  • B. False
    • Discuss
  • 10. The number of fire tubes in a Cochran boiler are

  • Options
  • A. 75
  • B. 115
  • C. 165
  • D. 225
    • Discuss

First 8 9 10 ... 16 .. 23 24 Last

Aptitude

Engineering

Programming

Reasoning

Links

Copyright ©CuriousTab. All rights reserved.