更多"[单选题]_______ , also known as the be"的相关试题:
[单选题]_______ also known as best angle-of-climb airspeed, gives the greatest gain in altitude for horizontal distance traveled during climb.
A.Va
B.Vlo
C.Vx
D.Vy
[单选题]During this period American car manufacturers set about improving their products and work efficiency.As a result,the yearly income of the average family increased from 1950 to 1975 faster than the price of cars.For this reason（ ）a new car takes a smaller part of a family s total earmnings today.
A.bringing
B.obtain
C.bought
D.purchasing
[单项选择]During which period did mathematics remain unchanged
A. Ancient times
B. The 17th century
C. For 300 years
D. The Dark Ages
[单选题]_______ is an altitude or flight level maintained during en-route level flight.
A.Cruising altitude
B.Flight level
C.Flying level
D.Cross level
[单选题]During the early period of ocean navigation,（ ）any need for sophisticatedinstruments and techniques.
A.so that hardly
B.when there hardly was
C.hardly was
D.there was hardly
[单项选择]The American dream is most______ during the periods of productivity and wealth generated by American capitalism.
A. patriotic
B. plausible
C. primitive
D. permissible
[单项选择]The United Kingdom is also known by its official name
A. the United Kingdom of Great Britain and England.
B. the United Kingdom of Great Britain.
C. the United Kingdom of British Isles.
D. the United Kingdom of Great Britain and Northern Ireland.
[单选题]During flight, _______ can be used to move the nose up and down for desired altitude or height.
A.rudder
B.stabilizer
C.elevators
D.ailerons
[单选题]The turning altitude in an instrument approach procedure, the altitude when flying past FAF or outer marker, and the stairstep descent fix altitude are all the _______ .
A.minimum sector altitude
B.minimum safety altitude
C.air line safety altitude
D.decision altitude
[单选题]Pressure altitude will be equal to true altitude _______ .
A.when the atmospheric pressure is 29.90 in. Hg
B.when standard atmospheric conditions exist
C.when indicated altitude is equal to the pressure altitude
D.when the OAT is colder than standard for that altitude
[单选题]Flight altitudes in the holding area: from 600m upward, there is a flight altitude for every 300m. The true height between the lowest holding altitude and the highest obstacle should not be less than _______ m, the true height between the lowest holding altitude and the initial altitude in an instrument approach should not be less than _______ m.
A.600, 300
B.300, 600
C.900, 600
D.600, 900
[单选题]Pressure altitude and density altitude will be the same values _______ .
A.at standard temperature
B.when the altimeter setting is 29.92 in.Hg
C.when indicated and pressure altitudes are the same value on the altimeter
D.at sea level when the temperature is 0 degrees Celsius
[单选题]Under rated altitude, the pulling force of propeller _______ as flight altitude rises.
A.increases
B.decreases
C.is hard to determine
D.does not change
[单选题]The controller will issue instructions using the phrase “_______” in cases where the Mode C altitude readout differs significantly from the altitude reported by the pilot.
A.stop squawk
B.stop altitude squawk
C.squawk standby
D.squawk altitude
[单项选择]Altitude, climate, temperature, and the length of the growing season both determine Where plants will grow.
[单选题]When the aircraft is flying en-route, whether it is under the control of medium-and-low altitude control office or high altitude control office is dependent on the aircraft’s _______ .
A.type
B.cruising speed
C.flight altitude
D.flight range
[单选题]The basic principle of pressure differential, also known as _______ , says “as the velocity of a fluid (air) increases, its internal pressure decreases”.
A.Bernoulli’s principle
B.Newton’s principle
C.Bernoulli’s law of motion
D.Newton’s law of motion
[单项选择]An auction catalogue gives buyers
A. the current market values of the goods
B. details of the goods to be sold
C. tile order in which goods are to be sold
D. free admission to the auction sale
[单选题]When maintaining FL210, what type of altitude is used?
A.Indicated altitude
B.Pressure altitude
C.Calibrated altitude
D.True altitude
