351. In Parson's reaction turbine
A.There are no fixed blades
B.Both fixed and moving blades are identical.
C.Fixed blades are bigger than moving blades
D.Moving blades are bigger than fixed blades

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352. In case of double flow type arrangement in steam turbines,
A.The steam from one casing flows to other, the shafts of both being coupled in straight line
B.The steam in any casing enters in the middle and flows in both the directions
C.The steam from one casing flows to other, the shafts of both being in different planes
D.The steam flows from high pressure casing to intermediate pressure casing and then to low pressure casing, the shafts of all the three being coupled in one straight line

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353. If heat drop in the moving blade be 3.5 kcal/kg and that in fixed blade be 6.5 kcak/kg. then the degree of reaction is equal to
A.0.35
B.0.65
C.0.3
D.0.5

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354. Reheat factor is the ratio of the
A.Cumulative heat drop to adiabatic heat supplied
B.Adiabatic heat drop to heat supplied
C.Useful heat drop to adiabatic heat drop
D.Adiabatic heat drop to cumulative heat drop

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355. The value of reheat factor is of the order of
A.0.7 to 0.8
B.0.9 to 1.0
C.1.02 to 1.06
D.1.0 to 1.1

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356. Theoretically, maximum work is done by a steam jet impinging on a semi-circular bucket when the ratio of bucket speed to steam speed is
A.Unity
B.Half
C.One-fourth
D.Zero

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357. Reheat factor for the 3-stage turbine in Fig. 4.1 is.
A.120/110
B.110/120
C.90/110
D.90/120

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