One horsepower is equal to_________________?

Related Mcqs:

1. Centrifugal pump is started with its delivery valve __________________?

   A. kept fully closed
   B. kept fully open
   C. irrespective of any position
   D. kept 50% open
   E. none of the above

2. Reciprocating pumps are no more to be seen in industrial applications (in comparison to centrifugal pumps) because of____________________?

   A. high initial and maintenance cost
   B. lower discharge
   C. lower speed of operation
   D. necessity of air vessel
   E. all of the above

3. In centrifugal pumps, maximum efficiency is obtained when the blades are_________________?

   A. straight
   B. bent forward
   C. bent backward
   D. radial
   E. given aerofoil section

4. Medium specific speed of a pump implies it is_________________?

   A. centrifugal pump
   B. mixed flow pump
   C. axial flow pump
   D. any one of the above
   E. none of the above

5. The flow rate in gear pump___________________?

   A. increases with increase in pressure
   B. decreases with increase in pressure
   C. more or less remains constant with in-crease in pressure
   D. unpredictable
   E. none of the above

6. According to fan laws, at constant speed and capacity, the pressure and power vary_____________________?

   A. directly as the air or gas density
   B. inversely as square root of density
   C. inversely as density
   D. as square of density
   E. as square root of density

7. Pressure intensifier increases the pressure in proportion to____________________?

   A. ratio of diameters
   B. square of ratio of diameters
   C. inverse ratio of diameters
   D. square of inverse ratio of diameters
   E. fourth power of ratio of diameters

8. Specific speed for reaction turbines ranges from___________________?

   A. 0 to 4.5
   B. 10 to 100
   C. 80 to 200
   D. 250 to 300
   E. none of the above

9. A turbine pump is basically a centrifugal pump equipped additionally with_________________?

   A. adjustable blades
   B. backward curved blades
   C. vaned diffusion casing
   D. inlet guide blades
   E. totally submerged operation facility

10. In a centrifugal pump casing, the flow of water leaving the impeller, is___________________?

    A. rectilinear flow
    B. radial flow
    C. free vortex motion
    D. forced vortex
    E. none of the above