Performance

At what speed, with reference to L/D max, does a maximum rate of climb for a jet airplane occur?. A speed greater than that for L/D max. A speed equal to than that for L/D max. A speed less to than that for L/D max.

What is the name of an area beyond the end of runway wich does not contain obstructions and can be considered when calculating take off performance of turbine powered aircraft?. Clear way. Stop way. Obstruction clearance plane.

Wich is the correct symbol for design cruising speed?. Vc. Vs. Va.

What is the correct symbol for unstick speed?. Vmu. Vmd. Vfc.

Wich is a definition of V2 speed?. Takeoff decision speed. Takeoff safety speed. Minimum takeoff speed.

The maximum speed during takeoff that the pilot may abort the takeoff and stop the airplane within the accelaret stop distance is. V2. Vef. V1.

What is an area indentified by term stopway?. An area, at least the same width as the runway, capable of supporting an airplane during a normal takeoff. An area designated for use in decelerating an aborted takeoff. An area, not as wide as the runway, capable of supporting an airplane during a normal takeoff.

One typical takeoff error is. Delayed rotation, wich may extended the climb distance. Premature rotation, wich may increases takeoff. Extended rotation, wich may degrade acceleration.

the symbol for the speed at wich the critical engine is assumed to fail during takeoff is. V2. V1. Vef.

Excessive takeoff speeds may resulting approximately a. 4% takeoff distance increase for each 1% of additional takeoff speed. 1% takeoff distance increase for a each 2% of additional take off speed. 2% takeoff distance increase for each 1% of additional takeoff speed.

What effect does landing at high elevation airports have on groundspeed with comparable conditions relative to temperature, wind, and airplane weight?. Higher than at low elevation. Lower than at low elevation. The same as at a low elevation.

What action is appropriate when encountering the first ripple of reported clear air turbulence (CAT)?. Extended flaps to decrease wing loading. Extended gear down to provide more drag and increase stability. Adjust airspeed to that recommended for rough air.

If severe turbulence is encountered, which procedure is recommended. Maintain constant altitude. Maintain constant attitude. Maintain constant airspeed and altitude.

Which is the correct symbol for the stalling speed or the minimum steady flight speed at which the airplane is controllable?. V so. V s. V s1.

Which maximum range factor decreases as weight decreases. Angle of attack. Altitude. Airspeed.

What should a pilot do to maintain 'best range' airplane performance when a tailwind is encountered?. Increase speed. Maintain speed. Decrease speed.

What characterizes a transient compressor stall?. Loud, steady roar accompanied by heavy shuddering. Sudden loss of thrust accompanied by a loud whine. Intermittent bang, as backfires and flow reversals take place.

Maximum range performance of a turbojet aircraft is obtained by which procedure as aircraft weight reduces?. Increasing speed or altitude. Increasing altitude or decreseing speed. Increasing speed or decreasing altitude.

How should thrust reversers be applied to reduce landing distance for turbojet aircraft?. Inmediatly after ground contact. Inmediatly prior touchdown. After applying maximum wheel braking.

Under which condition during the landing roll are the main wheel brakes at maximum effectiveness?. When wing lift has been reduced. At high groundspeeds. When the wheels are locked and skidding.

Wich procedure produces the minimum fuel consumption for a given leg of the cruises flight?. Increase speed for a headwind. Increase speed for a tailwind. Increase altitude for a headwind, decrease altitude for a tailwind.

A definition of the term 'viscous hydroplaning' is where. The airplane rides on standing water. A film of moisture co era the painted or rubber-coated portion of the runway. The tires of the airplane are actually riding on a mixture of steam and melted rubber.

Low pressure air decreases aircraft performance because. The air is less dense than higher pressure air. The air is denser than Higher pressure air. Air expands in the engine.

Under what conditions might a pilot expect the possibility of hydroplaning?. When landing on a wet runway tha is covered in rubber from previous landings. When departing a grooved runway. When the adiabatic lapse rate is higher.

Which speed symbol indicates the maximum operating limit speed for an airplane?. V (LE). V (MO) /M (MO). V (L) / M (LO).

Which part(s) in the turbojet engine is subjected to the high temperatures and severe centrifugal forces?. Turbine wheels. Turbine vanes. Compressor rotor.

Equivalent shaft horsepower (ESHP) of a turboprop engine is a measure of. Shaft horsepower and jet thrust. Turbine inlet temperature. Propeller thrust only.

Which term describes the hydroplaning which occurs when an airplane's tire is effectively held off a smooth runway surface by steam generated by friction?. Reverted rubber hydroplaning. Dynamic hydroplaning. Viscous hydroplaning.

What is controlled by the waste gate of a turbocharged-reciprocating engine?. Super charger gear ratio. Exhaust gas discharge. Throttle opening.

Where is the critical altitude of a supercharged-reciprocating engine?. The highest altitude at wich a desired mainfold pressure can be obtained. Highest altitude where the mixture can be leaned to best power radio. The altitude at wich maximum allowable BMEP can be obtained.

The most important restriction to the operation of turbojet or turboprop engines is. Limiting compressor speed. Limiting exhaust gas temperature. Limiting torque.

The minimum speed during takeoff, following a failure of the critical engine at V(EF), at which the pilot may continue the takeoff and achieve the required height above the takeoff surface within the takeoff distance is indicated by symbol. V (2 min ). V (1). V (LOF).

How can turbulent air cause an increase in stalling speed of an airfoil?. An abrupt change in the relative wind. A decrease in angle of attack. Sudden decrease in a load factor.

What indicates that a compressor stall has developed and become steady?. Strong vibrations and loud roar. Occasional loud bang. Complete loss of power.

The symbol for the speed at which the critical engine is assumed to fail during takeoff is. V 2. V 1. V (EF).

Under what condition is V(MC) the highest?. CG is at the most rearward allowable position. Gross weight is at the maximum allowable value. CG is at the most forward allowable position.

What recovery would be appropriate in the event of compressor stall?. Reduce the throttle and then slowly advance the throttle again and decrease the aircraft's angle of attack. Reduce the throttle and then rapidly advance the throttle to decrease the angle of attack on the compressor blades. Advance the throttle slowly to increase airflow and decrease the angle of attack on one more compressor blades.

Which type of compressor stall has the greatest potential for severe engine damage?. Intermittent backfire stall. Transient backfire stall. Steady, continuos flow reversal stall.

What effect, if any, will landing at a higher-than-recommended touchdown speed have on hydroplaning?. No effect on hydroplaning. Reduces hydroplaning potential if heavy braking is applied. Increases hydroplaning potential regardless of braking.

Wich place in the turbojet engine is subjected to the highest temperature?. Compressor discharge. Fuel spray discharge. Turbine inlet.

Under normal operating conditions, wich combination of MAP and RPM produce the most severe wear, fatigue and damage to high performance reciprocating engines?. High RPM and low MAP. Low RPM and high MAP. High RPM and high MAP.

How should reverse thrust propellers be used during landing for maximum effectiveness in stopping?. Gradually increase reverse power to maximum as rollout speed decrease. Use maximum reverse power as soon as possible after touchdown. Select reverse-pitch after landing and use idle power setting of the engines.

For which of these aircraft is the 'clearway' for a particular runway considered in computing takeoff weight limitations?. Turbine-engine powered transport airplanes certificated after September 30, 1958. Those passengers carryng.

What prevents turbine engines from developing compressors stalls?. Deice valves. Compressor bleed valves.

Minimum specific fuel consumption of the turboprop engine is normally available in wich altitude range?. 25,000 feet to the tropopause. The tropopause to 45,000 feet.

Which condition has the effect of reducing critical engine failure speed?. Low gross weight. Slush on the runway or inoperative antiskid.

What effect would a change in ambient temperature or air density have on gas turbine performance?. As temperature increase, thrusts increase. As temperature increases, thrusts decrease.

As outside air pressure decreases, thrust output will. Decrease due to higher density altitude. Increase due to greater efficiency of jet aircraft in thin air.

What effect will an increase in altitude have upon the available equivalent shaft horsepower ESHP of a turboprop engine?. Lower air density and engine mass flow will cause a decrease in power. Power will remain in the same but propeller efficiency will decrease.

What effect, if any, does high ambient temperature have upon the thrust output of a turbine engine?. Thrust will be reduced due to the decrease in air density. Thrust will remain the same but turbine temperature will be higher.

What effect does high relative humidity have upon the maximum power output of modern aircraft engines?. Reciprocating engines will experience a significant loss BHP. Turbo engines will experience a significant loss thrust.

What effect does an uphill runway slope have upon takeoff performance?. Increase take off distance. Decrease take speed.

Wich performance factor decrease as airplane gross weight increases for a given runway?. Critical engine failure speed. Rotation speed.

Wich condition reduces the required runway for take off?. Increased head wind component. Lower than standard air density.

At what minimum speed will dynamic hydroplaning being if a tire has an pressure of 70 PSI?. 85 knots. 75 knots.

At what minimum speed (rounded off) could dynamic hydroplaning occur on main tires having a pressure of 121 PSI?. 90 knots. 96 knots.

You are rolling out after touchdown and decide you really need to abort your landing, and takeoff. Your airplane is at 116 knots and your engines have spooled down to 71% idle. You need a V2 of 142 to safely lift off and climb. The airplane will require 6 seconds to accelerate after the engines spool up to takeoff thrust, which requires 4 seconds. How much runway will you require for a safe landing abort from your decision point? (Use an average of 129 knots ground speed.). 3601 feet book Atp. 2178 feet app atp.

What performance is characteristic of flight at maximum L/D in a propeller-driven airplane?. Maximum range and distance glide. Maximum endurance.

Compared to dynamic hydroplaning, at what speed does viscous hydroplaning occur when landing on a smooth, wet runway?. At lower speed tha dynamic hydroplaning. At the same speed as dynamic hydroplaning.

What is the best method of speed reduction if hydroplaning is experienced on landing?. Apply aerodynamic braking to the fullest advantage. Apply nose wheel and main wheel braking alternately and abruptly.

Which operational requirement must be observed when ferrying an air carrier airplane when one of its three turbine engines is inoperative?. The weather conditions at take off and destination must be VFR. Weather conditions must exceed the basic VFR minimums.

Arriving over the runway 10 knots over VREF would add approximately how many feet to the dry landing distance?. 800 ft. 2800 ft.

What effective runway length is required for a turbojet-powered airplane at the destination airport if the runways are forecast to be wet or slippery at the ETA?. 115 percent of the runway length required for a wet runway. 115 percent of the runway length required for a dry runway.

Approaching the runway 1* below glide path can add how many feet to the landing distance?. 250 ft. 500 ft.

A commercial operator plans to ferry a large, four-engine, reciprocating-engine-powered airplane from one facility to another to repair an inoperative engine. Which is an operational requirement for the three-engine flight?. Weather conditions at the take off and destination airports must be VFR. The computed take off distance to reach V1 must not exceed 70 percent of the effective runway length.

What is the resulting performance loss when one engine on a twin-engine airplane falls?. Reduction of climb by 80 to 90% app. Reduction of cruise airspeed by 50 percent.

Which operational requirement must be observed when ferrying a large, turbine-engine-powered airplane when one of its engines is inoperative?. The weather conditions at takeoff and destination must be VFR. Weather conditions must exceed the basic VFR minimums.

You touchdown long with a speed of 145 knots on a 9,001 foot runway and the braking is not working, so you decide to takeoff and climb out. The engines require 5 seconds to spool up and then the airplane requires 10 seconds of acceleration time to lift off again. The 5,000 foot marker flashes by. Do you have enough runway to lift off? (Use 132 knots for the average ground speed.). Yes, there will be a margin 2001 feets and almost 5 seconds of decision time. Yes, there will be a margin 850 feets and almost 5 seconds of decision time.

At what speed, with reference to L/D(MAX), does maximum rate-of-climb for a jet airplane occur?. A speed greater than that for L/D(MAX). A seep less than that for L/D (MAX).

When a turbine-engine-powered airplane is to be ferried to another base for repair of an inoperative engine, which operational requirement must be observed?. Only the required flight crew members may be on board the plane. No passenger except authorized maintenance personnel may be carried.

You touchdown long with a speed of 145 knots on a 8,501 foot runway and the braking is not working, so you decide to takeoff and climbout. The engines require 5 seconds to spool up and then the airplane requires 10 seconds of acceleration to lift off again. The 4,000 foot marker flashed by 2 seconds ago. Do you have enough runway to lift off? (Use 143 knots for average ground speed due to the tailwind.). No, the runway is 99 feet to short and my decision was about. 0.4 seconds too late. Yes, there will be a margin of almost 101 feet wich is about 1.5 seconds of decision time.

Which operational requirement must be observed by a commercial operator when ferrying a large, three-engine, turbojet-powered airplane from one facility to another to repair an inoperative engine?. No passenger may be carried. The existing and forecast weather for departure, en route, and approach must be VFR.

A hot start in a turbine engine is caused by. Too much fuel in the combustion chamber. Failed ignition.

If an engine failure occurs at an altitude above single-engine ceiling, what airspeed should be maintained?. v(yse). V(mc).

Upon landing, thrust reversers. Should be deployed as soon as the nose wheel is firm in contact with the runway. Should be deployed inmediatly upon landing.

How are turbine engines classified?. The type of compressor or combination of compressors they use. The method in wich air /fuel mixture is ignaited.

You are assigned to ferry a large, three-engine, turbojet-powered airplane from one facility to another to repair an inoperative engine. You know you are restricted to. Flight crew members only aboard. VFR weather for takeoff, en route, and landing.