航空英语集锦（一）

A

2. Accumulator is a component in a hydraulic system that allows a noncompressible fluid, such as oil, to be stored under pressure. （A）

A: Accumulator is often used in hydraulic system.

B: Accumulator pre-pressurize the noncompressible gas.

C: Accumulator can be used in fuel system

3.Aircraft alternation, which includes major or minor alternations, is the modification of an aircraft, its structure, or its components which changes the physical or flight characteristics of the aircraft. （A）

A:Aircraft alternation defines as the modification of structure or components of the aircraft. B:Aircraft hangar maintenance contributes to the aircraft alternation.

C: Aircraft alternation includes major or minor alternation, which is the modification of an aircraft' s structure or component without changing to the flight characteristics.

22. An axial turbine in gas turbine engine turned by a fluid flowing through it in a direction approximately parallel to the shaft on which the turbine wheel is mounted. （B）

A:The direction of fluid flowing through the axial turbine is almost perpendicular to the turbine shaft.

B: The direction of fluid flowing through the axial turbine is almost parallel to the turbine shaft.

C:The direction of fluid flowing through the axial turbine is almost parallel to the turbine wheel.

36. Although the airplanes addressed in this document are out of production,ABC continues to support them as outlined in our stated company polices. （C）

A: If the airplanes mentioned in this document are no more manufactured,ABC is likely to stop providing support according to the company polices stated.

B: Unless the airplanes shown in this document are not produced any more,ABC carries on to provide support in accordance with the company policies stated.

C: Even if the airplanes covered in this document are no longer produced,ABC continues to support them based on the company policies stated.

37. AND gate is a logic device in which the logic condition (zero or one) of its single output is one only when the conditions of all of its inputs are logic one. （C）

A:The output of AND gate is one when either of its inputs is logic one.

B: There is absolute no relationship between the output and input of the AND gate.

C: The output of AND gate is one only when all the inputs are logic one.

38. Aural warning device is a warning device that signals the presence of a problem by emitting a signal that can be heard. （C）

A: A visible signal is used in aural warning device when a problem occurs.

B: A signal both can be heard and seen is used in the Aural warning device

C: Aural warning device emits a signal that can be heard to represent a problem.

55. Aluminum alloy is light and strong, so that it is widely used in aircraft  manufacturing industry. （B）

A: Steel is light and strong, so that it is widely used in aircraft manufacturing industry.

B: Aluminum alloy is light and strong, therefore it is widely used in aircraft manufacturing industry.

C: Aluminum alloy is light and strong, so that it is seldom used in aircraft manufacturing industry.

73. Allodizing is a method of corrosion protection by the formation of a hard, airtight oxide coating on the surface of aluminum alloy parts by chemical means. （B）

A: The oxide coating on the surface of aluminum alloy parts can be formed by physical means.

B: The oxide coating on the surface of aluminum alloy parts acts the function of corrosion protection.

C: The aluminum alloy can protect the oxide coating from corrosion.

81. A list of Page and Effectivity should be provided in the front of each Manual. （A）

A: A list of Page and Effectivity should be printed in the front of each Manual.

B: A list of Page and Effectivity must be provided in some Manuals.

C: A list of Page and Effectivity should be provided in the Manual.

82. A CAP supplements the airplane's maintenance manual which is primary document containing the procedures for the continuing airworthiness of the airplane（C）

A: A CAP supplements the airplane's maintenance manual. CAP is primary document and contains the procedures for the continuing airworthiness of the airplanes

B: A CAP supplements the airplanes’ maintenance manual. Maintenance manual is primary document. CAP contains the procedures for the continuing airworthiness of the airplanes.

C: Airplane's maintenance manual is the primary document. It contains the procedure for the continuing airworthiness of the airplanes. CAP is supplement of the maintenance manual

103. Adjust the potentiometer until you do not hear a hum from the loudspeaker. （C）

A: If there is hum from the loudspeaker, don't adjust the potentiometer.

B: Adjust the potentiometer unless hear a hum from the loudspeaker.

C: Adjust the potentiometer until the loudspeaker no longer hums.

104. A mechanic opening a door without obeying the specified safety precautions can easily cause injury to persons standing near the door（A）

A: When opening a door, the mechanic not obey the specified safety precautions can easily cause injury to persons standing near the door

B: Opening a door can easily cause injury to persons standing near the door, the mechanic not follow the specified safety precautions

C: A mechanic opening a door without follow the specified safety precautions can easily cause injury to persons standing near the door

123. As a rule, the engines are attached under the wings, but, in the case of the modern aircraft, the two side engines are mounted on struts outboard of the fuselage.（A）

A: As a rule, the engines are attached under the wings, however, as for modern aircraft, the two side engines are mounted on struts outboard of the fuselage.

B: As a rule, the engines are attached under the wings, except for the modern aircraft, the two side engines are mounted on struts outboard of the fuselage.

C: As a rule, the engines are attached under the wings, but, besides the modern aircraft, the two side engines are mounted on struts outboard of the fuselage.

131. Adjust the length of the rod until you get a minimum clearance of 0.1 in.（C）

A: If you get a minimum clearance of 0.1 in., you can adjust the length of the rod.

B: Do not adjust the length of the rod unless you get a minimum clearance of 0.1 in.

C: Adjust the length of the rod until the minimum clearance is0.1 in.

137. Aerodynamic forces are the basic forces acting on an aircraft in flight that are caused by the movement of the air over the surfaces. Thrust acts forward, drag acts rearward, lift acts vertically upward and weight acts vertically downward.（A）

A: Thrust and drag act forward and rearward respectively.

B: Lift acts horizontally forward.

C: Thrust and lift act in the same direction.

140. A male and a female flange prevents the IPCV from incorrect installation. A flow direction arrow on the valve also helps prevent incorrect installation.

A: Only the flow direction arrow on the valve can prevent incorrect installation.

B: A male and female flange are used to prevent the IPCV from incorrect Installation. The flow direction arrow on the valve can not do the same function expect for showing the flow direction.

C: Either the male and female flange or the flow direction arrow can prevent incorrect installation.

B

4. Boost pump is an electrically driven centrifugal pump mounted in the bottom of the fuel tanks in large aircraft. （B）

A: Boost pump is generally used in lubrication system.

B: Boost pump is usually driven by electrical power.

C: Boost pump is mounted on the engine' s accessory gearbox and driven by the      gearbox.

14.Because airplanes are intended to have long lives, their flight safety must be assured. （B）

A: In order to make airplanes have long lives they are often in good condition.

B: To make airplanes have long lives, it is necessary to ensure their flight safety.

C:Because the long lives of airplanes are required, make sure the mechanics do the maintenance task correctly.

42. Back of the title page should be left blank except for items such as a manufacturer' s logo. （A）

A:The back of the title page can be left blank.

B:The manufacturer' s logo must be printed on the back of the title page.

C: The back of the title page must be left blank without any deviation.

45. Before you（C）the unit, do the specified test procedure.

A: Acceptable

B: Acceptance

C: Accept

60. Bonding jumper is a low-resistance wire or metal strap used to connect a structural component or an electrical component to the basic structure of an aircraft. （C）

A: The resistance of the bonding jumper depends on its location, may be either high or low. B: Bonding jumper is used to connect a structural component to an electrical component. C: The resistance of the bonding jumper is very low.

74. Blind rivet is a special rivet used in a sheet metal structure that can be installed when there is access to only one side of the metal. （C）

A: Blind rivet is a special rivet used in a sheet metal structure that can be installed  when either side of the metal can get access to.

B: Blind rivet is a special rivet used in a sheet metal structure that can be installed when neither side of the metal can get access to.

C: Blind rivet is used in a sheet metal structure because there is not enough space to both sides of the metal.

91.Block to block time is the amount of elapsed time between an aircraft leaving the departure ramp for the purpose of flight and its reaching the arrival ramp at the end of the flight. （A）

A: Block to block time is the elapsed time since an aircraft leaving the departure ramp for the purpose of flight, until its reaching the arrival ramp at the end of the  flight.

B: Block to block time is the amount of elapsed time between an aircraft landing the ramp and departure ramp for the purpose of next flight.

C: Block to block time is the amount of elapsed time since the aircraft starts a heavy maintenance check, until the maintenance checkcompleted.

152. Because of the varied missions the airplanes performed type of care given, and age and utilization rate, ABC has determined, based on inspections, tests, and analyses, that it is necessary to provide additional inspection requirements to further ensure that the airplanes can continue to carry the design loads it was originally certified for.（C）

A: ABC has determined the varied mission the airplanes performed, type of care given, and age and utilization rates because providing additional inspection requirement is prerequisite to further ensure that the airplane can continue to carry the design loads it was initially certified for based on inspections, tests and analyses.

B: ABC has determined that providing additional inspection requirements is prerequisite to further ensure that the airplanes can continue to carry the design loads it was initially certified for based on inspections, tests and analyses because of the varied mission the airplanes performed, type of care given, dan age and utilization rates.

C: To further ensure that the airplanes can continue to carry the design loads it was initially certified for, owing to the diversified mission the airplanes performed, type of care given, and age and utilization rates, ABC has determined that providing additional inspection requirements is necessary based on inspections, tests and analyses.

C

11. China's first large passenger plane C919 flew successfully on May 5. -Yes. What's more, it was built on our own in Shanghai. （C）

A: China's first large passenger plane C919 flew successfully on May 5. -Yes. What's more, it was built with some help in Shanghai.

B: China's first large passenger plane C919 flew successfully on May 5. -Yes. What's more, it was built from our friends in Shanghai.

C:China's first large passenger plane C919 flew successfully on May 5. -Yes. What's more, it was built by ourselves in Shanghai.

48. Composite structure is a type of aircraft structure made of plastic resins reinforced with strong, lightweight filaments. Composite materials combine high strength and rigidity with light weight. （B）

A: Composite structure combines high strength and rigidity with heavy weight.

B: Composite structure possesses the characteristic of high strength and rigidity.

C: Composite structure' s strength and rigidity are more than that of metal strength,  at the same time, Composite structure has light weight.

63. Catalyst is substance used to change the speed or rate of a chemical action without being chemically changed itself. （A）

A: Catalyst remains unchanged during the processing of chemical action.

B: Catalyst is substance used to change the speed or rate of a chemical action with its molecular structure being changed.

C: Catalyst is substance used to change the speed or rate of a chemical action without being physically changed itself.

64. CSD (constant-speed drive) is a component used with either aircraft gas turbine or reciprocating engines to drive AC generator, which the speed of the output shaft of the CSD is held constant while the speed of its input shelf varies. （A）

A: the speed of the output shaft of the CSD is constant no matter if the speed of its input changes.

B: the speed of the output shaft of the CSD varies no matter if the speed of its input keeps constant.

C: the speed of the output shaft of the CSD is constant only if the speed of its input remains the same.

83. Connect tow bar to nose landing gear. （C）

A: Hinge

B: Fix

С: Hook up

85. Class A fire is a fire involving solid combustible materials such as wood, paper and cloth. （A）

A: Paper and wood belong to the combustible materials of Class A fire.

B: Hydraulic fluid, oil and fuel belong to the combustible materials of Class A fire

C: Electrical equipment and magnesium belong to the combustible materials of Class A fire.

86. Class C fire is a fire which involves energized electrical equipment（C）

A: Hydraulic fluid, oil and fuel belong to the combustible materials of Class c fire.

B: Paper and wood belong to the combustible materials of Class c fire.

C: Electrical equipment belong to the combustible materials of Class C fire.

94. Class B fire is a fire that has combustible liquids as fuel. （C）

A: Paper and wood belong to the combustible materials of Class B fire.

B: Electrical equipment and magnesium belong to the combustible materials of Class B fire. C: Hydraulic fluid, oil and fuel belong to the combustible materials of Class B fire.

97. Copy density shall be uniform throughout the page. （A）

A: Copy density should be the same through the page.

B: Copy density must be different through the page.

C: Density of copy must be different through the page.

99. Continuing Airworthiness Program Inspections usually consist of two pages: one text page and one illustration page. （C）

A: Continuing Airworthiness Program Inspections usually exclude two pages: one text page and one illustration page

B: Contunuing Airworthiness Program Inspections usually include two pages: one text page and one illustration page

C: Continuing Airworthiness Program Inspections usually make up of two pages: one text page and illustration page

118. Calibrated Airspeed (CAS) is to be used only as necessary to comply with any applicable requirements of the certificating authority as the pilot works exclusively with Indicated Airspeed (IAS)（A）

A: Indicated Airspeed is primary used by pilot in flight.

B: Because the Calibrated Airspeed is more accurate, it is primarily used by pilot in flight.

C: Calibrated Airspeed is equal to Indicated Airspeed as necessary to comply with  the requirements of the certificating authority.

119. Constant displacement pump is a pump that moves a constant volume of fluid with each rotation. For example, Gear pumps, vane pumps and so on.（A）

A: When the pump turns each rotation, a constant displacement is moved by the constant displacement pump.

B: Constant displacement pump is a pump that moves a constant volume of fluid with each rotation and the pump operates at the constant speed.

C: Constant displacement pump moves a constant volume of fluid and provides a constant output pressure with each rotation.

127. Compressor is the section of the gas turbine engine whose components increase the pressure of the air flowing through it.（C）

A: The pressure and velocity of air increase when it flows through the comressor.

B: The pressure of air decreases when it flows through the comressor.

C: The pressure of air increases when it flows through the comressor.

130. Connect the towing arm to the nose gear.（B）

A: Hinge the towing arm up to the nose gear.

B: Hook the towing arm up to the nose gear.

C: Fix the towing arm tip to the nose gear.

133. Centrifugal force is a force that acts outwardly on any body moving in a curved path. Centrifugal force tries to move a body away from the center of its rotation, and this force is opposed by the centripetal force.（C）

A: Centrifugal force tries to move a body to the center of its rotation.

B: Centripetal force tries to move a body away from the center of its rotation.

C: The centrifugal force is opposed by the centripetal force.

138. Circuit breaker is a device which opens an electrical circuit when an excess of current flows. A circuit breaker may be reset to restore the circuit after the fault causing the excessive current has been corrected.（B）

A: Circuit breaker is a device which opens an electrical circuit when an excess of voltage.

B: Circuit breaker can be reset after the fault fixed.

C: Circuit breaker is no more serviceable and needs to be replaced at once after an excess of current flows that causes it open.

139. Class D fire is a fire in which a metal such as magnesium burns.（A）

A: magnesium belongs to the combustible materials of Class D fire.

B: Hydraulic fluid, oil and fuel belong to the combustible materials of Class D fire.

C: Paper and wood belong to the combustible materials of Class D fire.

D

13.Did you see the movie Dangal last weekend? （C）

-No, I hardly go to the cinema these days. I am busy with working overtime.

A: Did you see the movie Dangal last weekend?

-No, I always go to the cinema these days. I am busy with working overtime.

B: Did you see the movie Dangal last weekend?

-No, I often go to the cinema these days. I am busy with working overtime.

C: Did you see the movie Dangal last weekend?

-No, I seldom go to the cinema these days. I am busy with working overtime.

29. Damage can occur if the hoses are incorrectly installed. （B）

A: Damage can occur if the hoses are wrongly installed.

B: If the hoses are incorrectly installed, damage may happen.

C: Damage can not occur if the hoses are incorrectly installed.

40. During an in-flight start, the EEC selects the two ignition exciters to get power. （B）

A: During an in-flight start, the EEC selects either ignition exciter to get power.

B: If the engine need to start in flight, the EEC will selects both ignition exciters to get power. C: During an in-flight start, one ignition exciter is active and the other one standby.

80.Don' t let the stresses inside the material exceed the elastic limit or else permanent deformation will result. （B）

A: Don' t let the stresses inside the material exceed the elastic limit but permanent deformation will result.

B: Don' t let the stresses inside the material exceed the elastic limit otherwise permanent deformation will result.

C: Don' t let the stresses inside the material exceeding the elastic limit or else permanent deformation will result.

120. Dutch roll is an undesirable, low-amplitude oscillation about both the yaw and roll axes that affects many swept wing airplanes, which is minimized by the use of a yaw damper.（B）

A: Dutch roll is an undesirable, low-amplitude oscillation about both the pitch and roll axes.

B: Dutch roll is alleviated by yaw damper.

C: Dutch roll affects all types of aircrafts.

126. Distances shown are based on zero wind.（B）

A: Distances shown are based on weak wind

B: Distances shown are developed with no wind

C: Distances shown are on the basis of gentle wind