- ηS = ηB × ηN
- ηS = ηB / ηN
- ηS = ηN / ηB
- None of these
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The ratio of exit pressure to inlet pressure of maximum mass flow rate per area of steam through a nozzle when steam is initially superheated is?
Answer: Option 3 Let'
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When the cross-section of a nozzle __________ continuously from entrance to exit, it is called a convergent nozzle.?
Answer: Option 2 Let'
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When the back pressure of a nozzle is below the designed value of pressure at exit of nozzle, the nozzle is said to be?
Answer: Option 2 Let'
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When the nozzle operates with the maximum mass flow, the nozzle is said to be?
Answer: Option 1 Let'
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In a triaxial compression test when drainage is allowed during the first stage (i. e. application of cell pressure) only and not during the second stage (i.e. application of deviator stress at constant cell pressure), the test is known as?
Answer: Option 2 Let'
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Pointing to a man on the stage, Rashi said, " He is the brother of the daughter of the wife of my husband." How is the man on the stage related to Rashi?
Answer: Option 1 Wife of Rashi's husband---Rashi; Brother of daughter---Son.So, the man on the stages is Rashi's son.
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The diameter of the nozzle (d) for maximum transmission of power is given by (where D = Diameter of pipe, f = Darcy’s coefficient of friction for pipe, and l = Length of pipe)?
Answer: Option 3 Let'
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The velocity of steam leaving the nozzle (V) is given by (where K = Nozzle coefficient or nozzle efficiency, and hd = Enthalpy or heat drop during expansion of steam in a nozzle)?
Answer: Option 3 Let'
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A two stage compressor is used to compress an ideal gas. The gas is cooled to the initial temperature after each stage. The intermediate pressure for the minimum total work requirement should be equal to the __________ mean of P₁ and P₂.(where, P₁ and P₂ are initial and final pressures respectively)?
Answer: Option 3 Let'
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