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77 Cards in this Set
- Front
- Back
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Where is the critical altitude of a supercharged-reciprocating engine?
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the highest altitude at which a desired manifold pressure can be obtained.
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What is controlled by the waste gate of a turbocharged-reciprocating engine?
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exhaust gas discharge
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under normal operating conditions, which combination of MAP and RPM produce the most severe wear, fatigue, and damage to high performance reciprocating engines?
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high RPM and low MAP
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Which place in the turbojet engine is subjected to the highest temperature
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turbine inlet
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The most important restriction to the operation of turbojet or turboprop engines is
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limiting exhaust gas temperature
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What characterizes a transient compressor stall?
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intermittent "bang," as backfires and flow reversals take place
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What indicates that a compressor stall has developed and become steady
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strong vibrations and loud roar
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Which type of compressor stall has the greatest potential for severe engine damage
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steady, continuous flow reversal stall
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which part(s) in the turbojet engine is subject to the high temperatures and severe centrifugal forces
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turbine wheel(s)
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What recovery would be appropriate in the event of compressor stall?
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Reduce the throttle and then slowly advance the throttle again and decrease the aircraft's angle of attack
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Equivalent shaft horsepower (ESHP) of a turboprop engine is a measure of
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shaft horsepower and jet thrust
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Minimum specific fuel consumption of the turboprop engine is normally available in which altitude range
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25,000 ft to the tropopause
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What effect would a change in ambient temperature or air density have on gas-turbine-engine performance
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as temperature increases, thrust decreases
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As outside air pressure decreases, thrust output will
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decrease due to higher density altitude
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What effect will an increase in altitude have upon the available equivalent shaft horsepower (ESHP) of a turboprop engine
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Lower air density and engine mass flow will cause a decrease in power
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What effect, if any, does high ambient temperature have upon the thrust output of a turbine engine?
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thrust will be reduced due to the decrease in air density
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What is the name of an area beyond the end of a runway which does not contain obstructions and can be considered when calculating takeoff performance of turbine-powered aircraft
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clearway
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What is an area identified by the term "stopway"?
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An area designated for use in decelerating an aborted takeoff
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For which of these aircraft is the "clearway" for a particular runway considered in computing takeoff weight limitations
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Turbine-engine-powered transport airplanes certified between Aug 26, 1957 and August 30, 1959.
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Which is a definition of V2 speed
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takeoff safety speed
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What is the correct symbol for minimum unstick speed
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Vmu
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The max speed during takeoff that the pilot may abort the takeoff and stop the airplane within the accelerate-stop distance is
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V1
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The min speed during takeoff, following a failure of the critical engine at Vef, 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
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V1
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The symbol for the speed at which the critical engine is assumed to fail during takeoff is
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Vef
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Which performance factor decreases as airplane gross weight increases, for given runway
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critical engine failure speed
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Which condition has the effect of reducing critical engine failure speed
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slush on the runway or inoperative antiskid
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What effect does an uphill runway slope have upon takeoff performance
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increases takeoff distance
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Which condition reduces the required runway for takeoff
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increases headwind component
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Which condition reduces the required runway for takeoff
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Increased headwind component
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What is the takeoff safety speed for Operating Conditions G-1
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137 knots
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What is the rotation speed for Operating Conditions G-2
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155 knots
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What are V1, Vr and V2 for Operating Conditions G-3
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134, 134 and 145 knots
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What are V1 and V2 speeds for Operating Conditions G-4
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132 and 146 knots
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What are rotation and V2 bug speeds for Operating Conditions G-5
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119 and 135 knots
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What is the takeoff safety speed for Operating Conditions R-1
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128 knots
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What is the rotation speed for Operating Conditions R-2
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146 knots
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What are V1, Vr and V2 speeds Operating Conditions R-3
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138, 138 and 142 knots
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What are rotation and V2 bug speeds for Operating Conditions R-5
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138 and 142 knots
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What are V1 and Vr speeds for Operating Conditions A-1
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V1 123.1 knots; Vr 125.2 knots
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What are V1 and Vr speeds for Operating Conditions A-2
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V1 127.4 knots; Vr 133.6 knots
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What are V1 and Vr speeds for Operating Conditions A-3
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V1 136.8 knots; Vr 141.8 knots
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What are V1 and Vr speeds for Operating Conditions A-4
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V1 129.9 knots; Vr 133.4 knots
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What are V1 and Vr speeds for Operating Conditions A-5
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V1 109.6 knots; Vr 112.7 knots
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Given the following conditions, what are the takeoff V speeds
Weight 170,000 flaps 10 degrees temp (OAT) 25 degrees field pressure altitude 427 ft runway slope 0 % wind (kts) headwind 8 kts runway condition wet runway for Vr more than or equal to .1 Vr round up Vr to the next value (ex: 140 + .1 = 141) |
V1 133 kts, Vr 140 kts, V2 145 kts
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At what speed, with reference to L/D max, does max rate-of-climb for a jet airplane occur
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a speed greater than that for L/Dmax
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What performance is characteristic of flight at max L/D in a propeller-driven airplane
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max range and distance glide
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At what speed, with reference to L/Dmax, does max range for a jet airplane occur
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a speed greater than that for L/DMAX
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What should a pilot do to maintain "best range" airplane performance when a tailwind is encountered
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decrease speed
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Which procedure produces the min fuel consumption for a given leg of cruise flight
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increase speed for a headwind
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Which max range factor decreases as weight decreases
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airspeed
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Max range performance of a turbojet aircraft is obtained by which procedure as aircraft weight reduces
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increases altitude or decreases speed
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Which is the correct symbol for the stalling speed or the min steady flight speed at which the airplane is controllable
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Vs
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Which is the correct symbol for the min stead-flight or stalling speed in the landing configuration
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Vso
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What effect does landing at high elevation airports have on groundspeed with comparable conditions relative to temp, wind and airplane weight
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higher than at low elevation
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How should thrust reversers be applied to reduce landing distance for turbojet aircraft
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immediately after ground contact
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how should reverse thrust propellers be used during landing for maximum effectiveness in stopping
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use max reverse power as soon as possible after touchdown
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Under which condition during the landing roll are the main brakes at max effectiveness
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when wing lift has been reduced
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At which min speed (round off) could dynamic hydroplaning occur on main tires having a pressure of 121 PSI
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96 knts
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At what min speed will dynamic hydroplaning begin if a tire has an air pressure of 70 PSI
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75 kts
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A definition of the term " viscous hydroplaning" is where
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a film of moisture covers the painted or rubber-coated portion of the runway
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Compared to dynamic hydroplaning, at what speed does viscous hydroplaning occur when landing on a smooth, wet runway
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at a lower speed than dynamic hydroplaning
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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
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reverted rubber hydroplaning
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What is the best method of speed reduction if hydroplaning is experienced on landing
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apply aerodynamic braking to the fullest advantage
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What effect, if any, will landing at a higher-than-recommended touchdown speed have on hydroplaning
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increases hydroplaning potential regardless of braking
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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
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115 percent of the runway length required for a dry runway
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Which is the correct symbol for design cruising speed
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Vc
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How can turbulent air cause an increase in stalling speed of an airfoil
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an abrupt change in relative wind
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if severe turbulence is encountered, which procedure is recommended
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maintain a constant attitude
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Which speed symbol indicates the max operating limit speed for an airplane
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Vmo/Mmo
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If an engine failure occurs at an altitude above single-engine ceiling, what airspeed should be maintained
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Vyse
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What is the resulting performance loss when one engine on a twin-engine airplane fails
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reduction of climb by 50 %or more
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under what condition is Vmc the highest
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CG is at the most rearward allowable position
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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
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no passengers may be carried
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A commercial operator plans to ferry a large, four-engine-powered airplane from one facility to another to repair an inoperative engine. Which is an operational requirement for the three-engine flight
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weather conditions at the takeoff and destinations airports must be VFR
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Which operational requirement must be observed when ferrying an air carrier airplane when one of its three turbine engines is inoperative
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the weather conditions at takeoff and destination must be VFR
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Which operational requirement must be observed when ferrying a large, turbine-engine-powered airplane when one of its engines is inoperative
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the weather conditions at takeoff and destination must be VFR
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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
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only the required flight crewmembers may be on board the airplane
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