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What is the ratio of the Mach number downstream of the shock to its normal component?
An oblique shock wave with a wave angle $\beta$ is generated from a wedge angle of $\theta$ .What is the ratio …
GATE

Kisan Kumar Asked on 8th October 2019 in Aerodynamics.
- 1K views
- 0 answers
- 0 votes
The propellant in a single stage sounding rocket occupies 60 % of its initial mass. If all of it is expanded instantaneously at an equivalent exhaust velocity of 3000 m/s, what would be the altitude attained by the payload when launched vertically?
The propellant in a single stage sounding rocket occupies 60 % of its initial mass. If all of it is …
GATE

Kisan Kumar Asked on 8th October 2019 in Space dynamics.
- 1K views
- 1 answers
- 0 votes
How buckling of the fuselage skin can be delayed ?
How buckling of the fuselage skin can be delayed ?
GATE

Kisan Kumar Asked on 8th October 2019 in Structures.
- 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.
- 1K views
- 0 answers
- 0 votes
If an aircraft takes-off with 10 % less fuel in -comparison to its standard configuration, how its range will vary.
If an aircraft takes-off with 10 % less fuel in -comparison to its standard configuration, how its range will vary.
GATE

Kisan Kumar Asked on 8th October 2019 in Flight mechanics.
- 1K views
- 1 answers
- 0 votes
What is the Mach angle for a flow at Mach 2.0?
What is the Mach angle for a flow at Mach 2.0 ?
GATE

Mach number

Kisan Kumar Asked on 2nd October 2019 in Flight mechanics.
- 1K views
- 1 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
The logarithmic decrement measured for a viscously damped single degree of freedom system is 0.125. What is the value of the damping factor in percent?
The logarithmic decrement measured for a viscously damped single degree of freedom system is 0.125. What is the value of …
GATE

Kisan Kumar Asked on 2nd October 2019 in Control system.
- 1K views
- 1 answers
- 0 votes
Find the radial component and tangential component of the fluid’s velocity.
A thin long circular pipe of 10 mm diameter has porous walls and spins at 60 rpm about its own …
GATE

Kisan Kumar Asked on 1st October 2019 in Fluid dynamics.
- 2K views
- 1 answers
- 0 votes
A rocket motor has a combustion chamber temperature of 2600 K and the products have molecular weight of 25g/mol and ratio of specific heats 1.2.The universal gas constant is 8314 J/kg-mol-K. What is the value of theoretical $c^{*}$ in (m/s)?
A rocket motor has a combustion chamber temperature of 2600 K and the products have molecular weight of 25g/mol and …
GATE

rocket propulsion

Kisan Kumar Asked on 30th September 2019 in Rocket and Space propulsion.
- 1K views
- 1 answers
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