302. In a back pressure tubine the steam is exhausted
A.Below atmospheric pressure
B.At atmospheric pressure
C.Above atmospheric pressure
D.At any pressure

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303. Reteau turbine is a
A.Simple reaction turbine
B.Simple impulse turbine
C.(a) pressure compounded turbine
D.Velocity compounded impulse turbine

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304. Velocity compounding involves
A.Expansion of steam in stages
B.Recovery of kinetic energy of steam leaving first set of blades in sub, sequent rows of blades
C.Velocity and pressure equalisation at different stages
D.Increased velocity after each stage due to expansion of steam

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305. Pick up the correct statement about change of parameter in an impulse turbine
A.Velocity increases
B.Pressure reduces
C.Both pressure and velocity increase
D.Velocity decreases

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306. Pick up the correct statement about change of parameter in a reaction turbine's moving blades
A.Velocity increases
B.Both pressure and velocity decrease.
C.Both pressure and velocity increase
D.Velocity decreases

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307. For a given horsepower an impulse tuu• bine, compared to a reaction turbine, has " (a) less rows of blades
A.(b) more rows of blades
B.(c) equal rows of blades
C.(d) it can be anything
D.(e) none of the above

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308. In a reaction turbine, a stage isirepresented by
A.Each row of blades
B.Number of entries of steain
C.Number of casings
D.Number of exits of steam

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