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WorksheetsTURBINES
Total questions: 20
Worksheet time: 10mins
In a Kaplan turbine, what is the direction of water flow?
a) Axial and then axial
b) Radial and then axial
c) Tangential and then axial
d) Tangential and then radial
For which of the following values of available heads may Kaplan turbine be used?
a) 250 m
b) 100 m
c) 80 m
d) 50 m
In this type of low head turbine, the guide vanes are fixed to the hub of the turbine and are not adjustable. What is this type of turbine called?
a) Francis turbine
b) Kaplan Turbine
c) Propeller Turbine
d) Pelton turbine
Which of the following turbines will have the lowest number of blades in it?
a) Pelton turbine
b) Steam turbine
c) Francis turbine
d) Kaplan turbine
Kaplan turbine is an ______ reaction turbine
a) Inward flow
b) Outward flow
c) Radial
d) Axial
The outlet of the Kaplan turbine is through _______
a) Vane Blades
b) Moving pipeline
c) Draft tube
d) Pump
Turbine that consists of draft tubes is called as__________
a) Impulse turbine
b) Curtis turbine
c) Rateau turbine
d) Reaction turbine
Generally, the value of specific speed of Kaplan turbine is _____________ that of the Pelton turbine.
lower than
higher than
same as
unpredictable
The water from runner in reaction turbine is discharged into tail race through a draft tube which has ____________ cross sectional area.
constant
gradually decreasing
gradually increasing
uneven
__________ turbines are also called as parallel flow turbine.
Radial flow
Axial flow
Both radial flow and axial flow
None of the above
In which type of turbine, the runner needs to be run full of water?
Impulse turbine
Reaction turbine
Both a. and b.
None of the above
In reaction turbine work is done_______________.
totally due to change in kinetic energy of jet
totally due to change in pressure head
mostly due to change in pressure head and small amount of work is due to change in kinetic energy
mostly due to change in kinetic energy and small amount of work is due to change in pressure head
Which of following is inward radial flow reaction turbine?
Pelton wheel
Francis turbine
Axial turbine
Kaplan turbine
Runner blades are made up of _____________
Cast steel
Cast iron
Wrought iron
Steel
Pelton turbine is
Reaction Turbine
Axial Turbine
Impulse Turbine
None of the above
Pelton Wheel is invented by
Lee Anna Pelton
Allan Lesiure Pelton
Leasuer Alian Pelton
Lester Allan Pelton
Pelton Turbine is a
Low head turbine
Medium head turbine
High head turbine
All of the above
How is the shape of the bucket of Pelton turbine
Circular Shaped
Double Hemi-sperical shape
Semi-circular
Conical Shape
Speed control of the runner of a Pelton Turbine can be done using
Spear rod arrangement
Braking Nozzle
turbine casing
all of the above
Pelton turbine is
an inward flow turbine
an outward flow turbine
a tangential flow turbine
mixed flow turbine
