?
B．could cause FDP vapors to enter the aircraft but would have no effect on engine thrust or power.
?
C．can reduce engine performance and cause surging and/or compressor stalls.
正确答案：C
(119)Which is an effect of ice, snow, or frost formation on an airplane?
? ? ?
A．Decreased angle of attack for stalls. B．Decreased stall speed. C．Decreased pitchup tendencies.
正确答案：A
(120)Which is an effect of ice, snow, or frost formation on an airplane?
? ? ?
A．Increased stall speed.
B．Increased pitchdown tendencies. C．Increased angle of attack for stalls.
正确答案：A
(121)Baffle plates in wing fuel cells prevent
?
Fuel coming from one tank to another during turbulent flight
? ?
Over pressure in the fuel tank
Movement of the fuel (surging) in the tank during acceleration/deceleration and in turbulence
正确答案：C
(122)Engine bleed air is supplied to the air gap above the fuel in the tanks primarily to
? ?
A．warm the fuel
B．ensure an adequate supply of fuel pressure is maintained to the APU
?
C．prevent cavitation
正确答案：C
(123)Minimum specific fuel consumption of the turboprop engine is normally available in which altitude range?
? ? ?
A．10,000 feet to 25,000 feet. B．25,000 feet to the tropopause. C．The tropopause to 45,000 feet
正确答案：B
(124)ESHP (Equivalent shaft horsepower) of a turboprop engine is a measure of
? ? ?
A．Turbine inlet temperature B．Shaft horsepower and jet thrust C．Propeller thrust only
正确答案：B
(125)What does the term of Equivalent shaft horsepower (ESHP) of a turboprop engine describe?
? ? ?
A．shaft horsepower and jet thrust. B．jet thrust only. C．propeller thrust only.
正确答案：A
(126)What criteria determines which engine is the \
?
A．The one with the center of thrust closest to the centerline of the fuselage.
?
B．The one with the center of thrust farthest from the centerline of the fuselage.
?
C．The one designated by the manufacturer, which develops most usable thrust.
正确答案：A
(127)Where is the critical altitude of a supercharged-reciprocating engine?
?
A．the altitude at which maximum allowable BMEP can be obtained
?
B．the highest altitude at which a desired manifold pressure can be obtained
?
C．highest altitude where the mixture can be leaned to best power ratio
正确答案：B
(128)What is the definition of the critical altitude of a supercharged-reciprocating engine?
?
A．Highest altitude where the mixture can be leaned to best power ratio.
?
B．The highest altitude at which a desired manifold pressure can be obtained.
?
C．The altitude at which maximum allowable BMEP can be obtained.