- 20 kgf/cm²
- 50 kgf/cm²
- 80 kgf/cm²
- 100 kgf/cm²
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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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The ratio of exit pressure to inlet pressure for maximum mass flow rate per unit area of steam through a nozzle when steam is initially dry saturated is?
Answer: Option 2 Let'
1 Answers 5 views
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'
1 Answers 2 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'
1 Answers 1 views
A compound steam engine in which the high pressure and low pressure cylinders have common piston rod, is called?
Answer: Option 2 Let'
1 Answers 2 views
The high pressure boiler is one, which produces steam at a pressure more than?
Answer: Option 4 Let'
1 Answers 2 views