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A turbojet powered aircraft is flying at Mach number 0.8 at an altitude of10 km. What is the thrust of the engine?
A turbojet powered aircraft is flying at Mach number \(0.8 \) at an altitude of \(10\; km\). The inlet and …
GATE

Kisan Kumar Asked on 10th October 2019 in Propulsion.
- 1K views
- 1 answers
- 0 votes
Find the fuel to air ratio.
The stagnation temperatures at the inlet and exit of a combustion chamber are 600 K and 1200 K ,respectively.If the …
GATE

Kisan Kumar Asked on 8th October 2019 in Propulsion.
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- 0 answers
- 0 votes
What is the ratio of flight speed to the exhaust velocity for maximum propulsion efficiency ?
What is the ratio of flight speed to the exhaust velocity for maximum propulsion efficiency ?
GATE

Kisan Kumar Asked on 2nd October 2019 in Propulsion.
- 1K views
- 1 answers
- 0 votes
3 kg of steam in a piston -cylinder device at 400 kPa and 175 degree Celsius undergoes a mechanically reversible , isothermal compression to a final pressure such that the steam becomes just saturated. What is the work required for the process.
3 kg of steam in a piston -cylinder device at 400 kPa and 175 degree Celsius undergoes a mechanically reversible …
thermodynamics

techAir Asked on 29th September 2019 in Propulsion.
- 1K views
- 1 answers
- 0 votes
A paddle wheel is used for stirring a liquid contained in a tank supplied 6000 kJ of work and during the stirring operation the tank lost 1500 kJ of heat to the surroundings. If the tank and liquid are considered as a system what will be its change in internal energy.
A paddle wheel is used for stirring a liquid contained in a tank supplied 6000 kJ of work and during …
thermodynamics

Worldtech Asked on 29th September 2019 in Propulsion.
- 1K views
- 1 answers
- 0 votes
In a cyclic process the net heat supplied is 70 kJ/s. What is the work obtained from the cycle?
In a cyclic process the net heat supplied is 70 kJ/s. What is the work obtained from the cycle?
thermodynamics

Worldtech Asked on 29th September 2019 in Propulsion.
- 1K views
- 1 answers
- 0 votes
An apple loses 4.5 kJ of heat as at cools per degree Celsius drop in its temperature. What is the amount of heat lost from the apple per degree Fahrenheit in its temperature?
An apple loses 4.5 kJ of heat as at cools per degree Celsius drop in its temperature. What is the …
thermodynamics

techAir Asked on 28th September 2019 in Propulsion.
- 5K views
- 1 answers
- 0 votes

A turbojet powered aircraft is flying at Mach number 0.8 at an altitude of10 km. What is the thrust of the engine?

Find the fuel to air ratio.

What is the ratio of flight speed to the exhaust velocity for maximum propulsion efficiency ?

3 kg of steam in a piston -cylinder device at 400 kPa and 175 degree Celsius undergoes a mechanically reversible , isothermal compression to a final pressure such that the steam becomes just saturated. What is the work required for the process.

A paddle wheel is used for stirring a liquid contained in a tank supplied 6000 kJ of work and during the stirring operation the tank lost 1500 kJ of heat to the surroundings. If the tank and liquid are considered as a system what will be its change in internal energy.

In a cyclic process the net heat supplied is 70 kJ/s. What is the work obtained from the cycle?

An apple loses 4.5 kJ of heat as at cools per degree Celsius drop in its temperature. What is the amount of heat lost from the apple per degree Fahrenheit in its temperature?

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