323. Heat rate of steam turbines is expressed as
A.Kcal
B.Kcal/hr
C.Kcal/kW
D.Kcal/kWhr

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324. Percentage. ofsteam bled for regeverative heating in a regenerative cycle is of the order of
A.0.05
B.10-15%
C.20-30%
D.40-50%

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325. Steam escaping across the tips of blades, represents loss of work. Tip leakage is a problem in
A.Reaction turbine
B.Impulse turbine
C.Both (a) and (b)
D.Velocity compounded turbine

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326. Axial shift in steam turbines occurs due to
A.Thermal expansion of casing
B.Wearing of thrust pad
C.Different expansions of casing and rotor
D.Axial thrust

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327. Curtis turbine is a
A.Simple impulse type turb*-
B.Simple reaction type tnrhine
C.Velocity compounded turbine
D.Pressure compounded turbine

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328. In Parson's turbine the relative velocity at outlet as compared to inlet is
A.Greater
B.Lesser
C.Same
D.Depends on speed

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329. Total expansion of steam turbine represents
A.Thermal expansion of casing
B.Wearing of thrust pad
C.Different expansions df casing and rotor
D.Cooling of casing

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