The intercooler pressure, for minimum work required, for a two stage reciprocating air compressor, is given by (where p₁ = Intake pressure of air, p₂ = Intercooler pressure, and p₃ = Delivery pressure of air)
p₂ = p₁ × p₃
p₂ = p₁/p₃
p₂ = p₁ × p₂
p₂ = p₃/p₁
- Pick up the wrong statement
- Isothermal compression efficiency can be attained by running the compressor
- In a centrifugal compressor, the flow of air is ________ to the axis of compressor.
- Stalling of blades in axial flow compressor is the phenomenon of
- A closed cycle gas turbine gives ________ efficiency as compared to an open cycle gas turbine.
- The air entry velocity m a rocket as compared to aircraft is
- There is a certain pressure ratio (optimum) for a gas turbine at which its thermal efficiency is maximum.…
- A turboprop is preferred to turbojet because
- The ratio of isentropic work to Euler work is known as
- The overall isothermal efficiency of compressor is defined as the ratio of
- The mass of gas turbine per kW developed is about ________ as that of an I.C. engine.
- The power available for takeoff and climb in case of turbojet engine as compared to reciprocating engine…
- A jet engine has
- In turbo fan engine, the jet velocity as compared to turbojet engine is
- The degree of reaction of an axial flow turbine is the ratio of isentropic temperature drop in a blade…
- If infinite number of heaters be used in a gas turbine, then expansion process in turbine approaches
- Pick up the correct statement
- In a reciprocating air compressor, the compression work per kg of air
- The compression ratio in a gas turbine is of the order of
- Gas turbines use following type of air compressor
- An ideal air compressor cycle with clearance on PV diagram can be represented by following processes
- Reheating in a gas turbine
- The pressure ratio in gas turbines is of the order of
- A rocket engine for the combustion of its fuel
- In an axial flow compressor, the ratio of pressure in the rotor blades to the pressure rise in the compressor…
- Which of the following statement is wrong?
- Propulsion efficiency of the following order is obtained in practice
- The temperature of air at the beginning of the compression stroke is ________ the atmospheric temperature.
- The overall efficiency of the compressed air system is the
- If V, U and Vr represent the absolute velocity of fluid, velocity of blade, and relative velocity of…