Momentum is mass times ____ in a propulsion device

Both valves closed - Fuel-air mixture is compressed by rising piston - Spart ignites mixture near the end of the stroke - Which stroke best represents this in a Reciprocating Engine

More power strokes per minutes ____ will be the ___ of the engine in terms of reciprocating engine.

Factors influencing the power of the reciprocating engine are ​ ​ ​ (a)   ​ (b)   ​ (c)  

lb/hp.h is the SFC of the

N/W.s is the SFC of the

As the airplane freestream velocity $$V_∞$$ is changed, the only variable which changes in the reciprocating engine is the

With the increase in the altitude, the air pressure

In a reciprocating engine, the variation of the power at higher altitude can be estimated using __

SFC of a reciprocating engine ____ to changes in altitude.

The _____ term of the thrust equation is smaller than the ___ term of the turbojet engine.

lb/lb.h is the SFC of the

The ___ of the turbojet engine is a weak function of the Mach Number

There is a strong ____ effect on thrust in terms of turbojet engine

As the altitude increases, the density decreases. Therefore the thrust can be represented with density as

For turbojet engine, the TSFC _____ with altitude

Concorde Aircraft uses __

For turbojet engines, what happens to the SFC at both sea level and at 40,000 ft when the engine runs at 100% RPM

The thrust increases with Mach number in the ______ regime for turbojet engine

In the supersonic regime between Mach 1 and Mach 2, the turbojet engine's SFC ______ with Mach number

In the case of turbojet engine, the thrust increases with the increase in the forward speed / Mach number because of the

For large airplanes like Boeing 747, the turbofan engines with a bypass ratio of _____ is used.

The SFC for the turbofan engines will be like __

The thrust of a turbofan engine ____ with velocity

For low-bypass turbofan engines, the thrust ______ with the forward speed

The performance of the low-bypass turbofan engine is much closer to that of a ___