Francis, Kaplan and propeller turbines fall under the category of___________________? - PakMcqs

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1. Guide angle as per the aerofoil theory of Kaplan turbine blade design is defined as the angle between_________________?

   A. lift and resultant force B. drag and resultant force C. lift and tangential force D. lift and drag E. resultant force and tangential force...

2. Francis turbine is best suited for_____________________?

   A. medium head application from 24 to 180 m B. low head installation up to 30 m C. high head installation above 180 m D. all types of heads E. none of the above...

3. Reaction turbines are used for____________________?

   A. low head B. high head C. high head and low discharge D. high head and high discharge E. low head and high discharge...

4. In axial flow fans and turbines, fluid enters and leaves as follows________________?

   A. radially, axially B. axially, radially C. axially, axially D. radially, radially E. combination of axial and radial...

5. 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...

6. The hydraulic turbines are also known as : ___________?

   A. steam turbines B. water turbines C. combustion turbines D. Gas turbines Submitted by: Faheem Zaman Dhaunroo...

7. In a single casing, multistage pump running at constant speed, the capacity rating is to be slightly lowered. It can be done by_______________?

   A. designing new impeller B. trimming the impeller size to the required size by machining C. not possible D. some other alterations in the impeller E. none of the above...

8. Low 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...

9. The angle of taper on draft tube is A. greater than 15° B. greater than 8° C. greater than 5° D. less than 8° E. less than 3°.___________________?

   The angle of taper on draft tube is A. greater than 15° B. greater than 8° C. greater than 5° D. less than 8° E. less than 3°....

10. A hydraulic intensifier normally consists of __________________?

    A. two cylinders, two rams and a storage device B. a cylinder and a ram C. two co-axial rams and two cylinders D. a cylinder, a piston, storage tank and control valve E. special type of pump with storage device and a pressure regulator...