- Pipe length
- Fluid velocity in the pipe
- Time taken to close the valve
- All of the above
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When the speed of the engine is controlled by means of a valve in a steam pipe, which regulates the pressure of steam entering the engine, then the governing is known as?
Answer: Option 1 Let'
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Water hammer in pipelines results, when the flowing fluid?
Answer: Option 4 Let'
1 Answers 1 views
At the center line of a pipe flowing under pressure where the velocity gradient is zero, the shear stress will be?
Answer: Option 4 Let'
1 Answers 1 views
According to Darcy's formula, the loss of head due to friction in the pipe is (where f = Darcy's coefficient, l = Length of pipe, v = Velocity of liquid in pipe, and d = Diameter of pipe)?
Answer: Option 4 Let'
1 Answers 1 views
The loss of head due to viscosity for laminar flow in pipes is (where d = Diameter of pipe, l = Length of pipe, v = Velocity of the liquid in the pipe, μ = Viscosity of the liquid, and w = Specific weight of the flowing liquid)?
Answer: Option 4 Let'
1 Answers 1 views
The inter-cooler pressure, for minimum work required, for a two stage reciprocating air compressor, is given by (where p₁ = Intake pressure of air, p₂ = Inter-cooler pressure, and p₃ = Delivery pressure of air)?
Answer: Option 3 The inter-cooler pressure, for minimum work required, for a two stage reciprocating air compressor, is given by p₂ = p₁ × p₂ where p₁ = Intake pressure of...
1 Answers 4 views
Relative humidity is given by (where pv = Partial pressure of water vapour, pb = Barometric pressure, ps = Pressure of saturated air, pd = Pressure at dry bulb temperature, pw = Saturation pressure corresponding to wet bulb temperature, and μ = Degree of saturation)?
Answer: Option 2 Relative humidity is given by μ/[1 - (1 - μ) (Ps/Pb)] where pv = Partial pressure of water vapour, pb = Barometric pressure, ps = Pressure of saturated air, pd...
1 Answers 1 views
In a compound steam engine, the first stage of expansion is carried out in a high pressure cylinder whereas the last expansion is completed in low pressure cylinder. The diameter of high pressure cylinder is _________ the low pressure cylinder.?
Answer: Option 2 Let'
1 Answers 1 views
The critical pressure ratio is given by (where p₁ = Initial pressure of steam, and p₂ = Pressure of steam at throat or critical pressure)?
Answer: Option 3 Let'
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