The part of the coupling that actually transmits power and rotation from one shaft to the other shaft is_________?

Related Mcqs:

1. Increase in pressure at the outer edge of a drum of radius R due to rotation at corad/sec, full of liquid of density p will be___________________?

   A. pco2/?2
   B. pco2/?2/2
   C. 2pa2R2
   D. pa2R/2
   E. none of the above

2. The ratio of useful power; engine friction exhaust gas losses; cooling water, air and oil losses for a diesel engine is of the order of____________________?

   A. 5:25:30:50
   B. 25:35:5:35
   C. 25:5:10:60
   D. 40:30:15:15
   E. 25:5:35:35

3. For same power and same speed, the flywheel of a four stroke engine as compared to two-stroke I.C. engine will be________________?

   A. smaller
   B. bigger
   C. same size
   D. dependent on other engine parameters
   E. unpredictable

4. In petrol engines, the maximum power is developed corresponding to relative fuel air ratio of________________?

   A. 0.85
   B. 1
   C. 1.1 to 1.3
   D. 1.2 to 1.5

5. Power impulses from an I.C. engine are somoothed out by__________________?

   A. governor
   B. crank shaft
   C. gear box
   D. flywheel
   E. timing spark properly

6. The biggest size of thermal power unit operating in India is ________________?

   A. 30 MW
   B. 60 MW
   C. 100 MW
   D. 210 MW
   E. 500 MW

7. Feed water conditioning in thermal power plants in done to__________________?

   A. reduce hardness and for removal of solids
   B. increase efficiency-of thermal power plant
   C. increase *heat transfer rate
   D. increase steam parameters
   E. all of the above

8. Which device is used in thermal power plants to reduce level of pollution___________________?

   A. induced draft fan
   B. smoke meter
   C. chimney
   D. precipitator
   E. pulveriser

9. The height of chimney in a power plant is governed by__________________?

   A. the draft to be created
   B. limitation of construction facilities
   C. control of pollution
   D. quantity of flue gases to be handled
   E. all of the above

10. The overall efficiency of thermal power plant is________________?

    A. boiler efficiency, turhine efficiecny, generator efficiency
    B. all the three above plus gas cycle efficiency
    C. carnot cycle efficiency
    D. regenerative cycle efficiency
    E. rankine cycle efficiency