In jet engines, paraffin is usually used as the fuel because of its
High calorific value
Ease of atomisation
Low freezing point
Both (A) and (C) above
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- The pressure ratio in gas turbines is of the order of
- The degree of reaction of an axial flow turbine is the ratio of isentropic temperature drop in a blade…
- Intercooling in gas turbines
- Efficiency of gas turbine is increased by
- Pressure ratio in gas turbines is the ratio of
- The material commonly used for air craft gas turbine is
- A compressor mostly used for supercharging of I.C. engines is
- In a jet propulsion unit, the products of combustion after passing through the gas turbine are discharged…
- The volume of air sucked by the compressor during its suction stroke is called
- Aeroplanes employ following type of compressor
- Work ratio of a gas turbine may be improved by
- A simple turbojet engine is basically
- The reason for volumetric efficiency of reciprocating compressor being less than 100 percent is
- Isothermal compression though most efficient, but is not practicable because
- Rotary compressor is best suited for
- Which is false statement about multistage compression?
- The air-fuel ratio in gas turbines is of the order of
- The ratio of workdone per cycle to the stroke volume of the compressor is known as
- The output of a gas turbine is 300 KW and its efficiency is 20 percent, the heat supplied is
- The maximum delivery pressure in a rotary air compressor is
- A rocket engine for the combustion of its fuel
- The inlet pressure is always ________ the discharge pressure.
- Which of the following plants is smallest and lightest for generating a given amount of power?
- For an irreversible gas turbine cycle, the efficiency and work ratio both depend on
- A closed gas turbine in which fuel is burnt directly in the air is not possible because of
- The pressure of air at the beginning of the compression stroke is ________ the atmospheric pressure.
- The effective power of gas turbines is increased by adding the following in compressor
- To avoid moisture troubles, the branch connections from compressed air lines should be taken from
- The type of rotary compressor used in aeroplanes, is of
- A compressor at high altitudes will require ________ power.