Related Questions

The efficiency of a pressure-velocity compounded impulse turbine is __________ as compared to pressure compounded impulse turbine.
A Same
B Less
C More
D None of these
The specific speed of a turbine is the speed of an imaginary turbine, identical with the given turbine, which
A Delivers unit discharge under unit head
B Delivers unit discharge under unit speed
C Develops unit power under unit head
D Develops unit power under unit speed
The maximum number of jets, generally, employed in an impulse turbine without jet interference are
A Two
B Four
C Six
D Eight
The maximum number of jets generally employed in impulse turbine without jet interference is
A 4
B 6
C 8
D 12
An impulse turbine as compared to a reaction turbine, for a given power has _________ row of blades.
A Equal
B Less
C More
D None of these
The pressure compounded impulse turbine as compared to velocity compounded turbine require __________ number of stages.
A Same
B Less
C More
D None of these
A contractor employed 30 men to do a piece of work in 38 days. After 25 days , he employed 5 men more and the work was finished one day earlier. How many days he would have been behind, if he had not employed additional men?
A 1
B 114
C 134
D 112
The speed of an imaginary turbine, identical with the given turbine, which will develop a unit power under a unit head, is known as
A Normal speed
B Unit speed
C Specific speed
D None of these
Which of the following is an example of impulse turbine?
A Propeller turbine
B Francis turbine
C Kaplan turbine
D Pelton wheel
Impulse turbine is generally fitted
A At the level of tail race
B Little above the tail race
C Slightly below the tail race
D About 2.5 m above the tail race to avoid cavitations

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