Aircraft Instruments

Aircraft Instruments
63問 • 1年前
  • Lenard Espiritu
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    問題一覧

  • 1

    Turbine engine exhaust gas temperatures are measured by using

    Chromel/alumel thermocouples

  • 2

    Which of the following instrument discrepancies would require the replacement of the instrument? 1. Red line missing 2. Case leaking. 3. Glass cracked. 4. Mounting screws loose. 5. Case paint chipped 6. Leaking at line B nut. 7. Will not zero out. 8. Fogged

    2, 3, 7, 8

  • 3

    Which of the following will cause inaccuracies in a magnetic compass that may be compensated for by an aircraft mechanic?

    Deviation

  • 4

    Magnetic compass bowls are filled with a liquid to

    Dampen the oscillation of the float.

  • 5

    The function of a CRT in an EFIS is to

    Display alphanumeric data and representations of aircraft instruments.

  • 6

    A certificated mechanic with airframe and powerplant ratings may

    Not perform repairs to aircraft instruments.

  • 7

    A radar altimeter determines altitude by

    Transmitting a signal and receiving back a reflected signal.

  • 8

    When swinging a magnetic compass, the compensators are adjusted to correct for

    Magnetic influence deviation

  • 9

    Which procedure should you use if you find a vacuum-operated instrument glass loose?

    Install another instrument.

  • 10

    The red radial lines on the face of an engine oil pressure gauge indicates

    Minimum and/or maximum safe operating limits.

  • 11

    At sea level, when the average atmospheric pressure is 14.7 PSI, the barometric pressure is

    29.92 Mb

  • 12

    Which statement regarding an aircraft instrument vacuum system is true?

    Dry-type vacuum pumps with carbon vanes are very susceptible to damage from solid airborne particles and must take in only filtered air.

  • 13

    Which condition would be most likely to cause an excessive vacuum in a vacuum system?

    Vacuum relief valve improperly adjusted

  • 14

    How is a flangeless instrument case mounted in an instrument panel?

    By an expanding-type clamp secured to the back of the panel and tightened by a screw from the front of the instrument panel.

  • 15

    What does a reciprocating engine manifold pressure gauge indicate when the engine is not operating?

    The existing atmospheric pressure.

  • 16

    The function of a display controller in an EFIS is to

    Allow the pilot to select the appropriate system configuration for the current flight situation.

  • 17

    How would an airspeed indicator be marked to show the best rate-of-climb speed (one engine inoperative)?

    A blue radial line.

  • 18

    Fuel flow transmitters are designed to transmit data

    Electrically

  • 19

    Data transmitted between components in an EFIS are converted into

    Digital signals

  • 20

    The maximum deviation (during level flight) permitted in a compensated magnetic direction indicator installed on an aircraft certificated under Federal Aviation Regulation Part 23 is

    10 degrees

  • 21

    A synchro transmitter is connected to a synchro receiver

    Electrically with wires.

  • 22

    A Bourdon tube instrument may be used to indicate 1. Pressure 2. Temperature 3. Position

    1 and 2

  • 23

    Resistance-type temperature indicators using Wheatstone bridge or ratiometer circuits may be used to indicate the temperatures of which of the following? 1. Free air 2. Exhaust gas temperature 3. Carburetor air 4. Coolant (engine) 5. Oil temperature 6. Cylinder head temperature

    1, 3, 4, and 5

  • 24

    The function of a symbol generator (SG) in an EFIS is to

    Receive and process input signals from aircraft and engine sensors and send the data to the appropriate display.

  • 25

    Which instrument condition is acceptable and would not require correction? 1. Red line missing. 2. Case leaking 3. Glass cracked. 4. Mounting screws loose. 5. Case paint chipped. 6. Leaking at line B nut. 7. Will not zero out. 8. Fogged.

    5

  • 26

    Who is authorized to repair an aircraft instrument? 1. A certified mechanic with an airframe rating. 2. A certificated repairman with an airframe rating. 3. A certificated repair station approved for that class instrument. 4. A certificated airframe repair station.

    3

  • 27

    Which of the following instrument discrepancies could be corrected by an aviation mechanic? 1. Red line missing. 2. Case leaking 3. Glass cracked. 4. Mounting screws loose. 5. Case paint chipped. 6. Leaking at line B nut. 7. Will not adjust. 8. Fogged.

    1, 4, 5, 6

  • 28

    What will be the result if the instrument static pressure line becomes disconnected inside a pressurized cabin during cruising flight?

    The altimeter and airspeed indicator will both read low.

  • 29

    What must be done to an instrument panel that is supported by shock mounts?

    Bonding straps must be installed across the instrument mounts as a current path.

  • 30

    A certificated mechanic may perform

    100-hour inspections of instruments.

  • 31

    A certificated mechanic with at least an airframe rating may perform

    Inspections and function checks on aircraft instruments.

  • 32

    Which instruments are connected to an aircraft's pitot-static system? 1. Vertical speed indicator 2. Cabin altimeter 3. Altimeter 4. Cabin rate-of-change indicator 5. Airspeed indicator

    1, 3, and 5

  • 33

    Cases for electrically operated instruments are made of

    Iron or steel cases

  • 34

    Which instruments are connected to an aircraft's static pressure system only? 1. Vertical speed indicator 2. Cabin altimeter 3. Altimeter 4. Cabin rate-of-change indicator 5. Airspeed indicator

    1 and 3

  • 35

    The lubber line on a directional gyro is used to

    Represent the nose of the aircraft.

  • 36

    When performing the static system leakage check required by Section 91.411, the technician utilizes

    Negative pressure

  • 37

    An aircraft magnetic compass is swung to up-date the compass correction card when

    Equipment is added that could affect compass deviation.

  • 38

    The operation of an angle-of-attack indicating system is based on detection of differential pressure at a point where the airstream flows in a direction

    Not parallel to the true angle of attack of the aircraft.

  • 39

    What is the fixed line mark attached to the compass bowl of a magnetic compass called?

    Lubber line

  • 40

    Which of the following instruments will normally have range markings?

    Cylinder head temperature gauge, airspeed indicator

  • 41

    A turn coordinator instrument indicates

    Both roll and yaw.

  • 42

    (1) Aircraft instruments are color-coded to direct attention to operational ranges and limitations. (2) Aircraft instruments range markings are not specified by Title 14 of the Code of Federal Regulations but are standardized by aircraft manufacturers. Regarding the statements above,

    Only No. 1 is true.

  • 43

    When installing an instrument in an aircraft, who is responsible for making sure it is properly marked?

    The mechanic installing the instrument.

  • 44

    The method of mounting aircraft instruments in their respective panels depends on the

    Design of the instrument case

  • 45

    If a static pressure system check reveals excessive leakage, the leaks) may be located by

    Isolating portions of the line and testing each portion systematically starting at the instrument connections.

  • 46

    Instrument panel shock mounts absorb

    Low frequency, high-amplitude shocks.

  • 47

    An aircraft instrument panel is electrically bonded to the aircraft structure to

    Provide current return paths.

  • 48

    The maximum altitude loss permitted during an unpressurized aircraft instrument static pressure system integrity check is

    100 feet in 1 minute.

  • 49

    Aircraft instrument panels are generally shock-mounted to absorb

    Low-frequency, high-amplitude shocks.

  • 50

    Where may a person look for the information necessary to determine the required markings on an engine instrument? 1. Engine manufacturer's specifications 2. Aircraft flight manual 3. Instrument manufacturer's specifications 4. Aircraft maintenance manual

    2 or 4

  • 51

    What marking color is used to indicate if a cover glass has slipped?

    White

  • 52

    A barometric altimeter indicates pressure altitude when the barometric scale is set at

    29.92" Hg

  • 53

    A radar altimeter indicates

    Altitude above ground level.

  • 54

    When an aircraft altimeter is set at 29.92" Hg on the ground, the altimeter will read

    Pressure altitude

  • 55

    The requirements for testing and inspection of instrument static systems required by Section 91.411 are contained in

    Part 43, appendix E

  • 56

    Which of the following operating mechanisms would be found in a hydraulic pressure gauge?

    Bourdon tube

  • 57

    When an unpressurized aircraft's static pressure system is leak checked to comply with the requirements of Section 91.411, what aircraft instrument may be used in lieu of a pitot-static system tester? 1. Vertical speed indicator 2. Cabin altimeter 3. Altimeter 4. Cabin rate-of-change indicator 5. Airspeed indicator

    3

  • 58

    Aircraft temperature thermocouple leads may

    Not be altered and are designed for a specific installation.

  • 59

    Instrument static system leakage can be detected by observing the rate of change in an indication of the

    Altimeter after suction has been applied to the static system to cause a prescribed equivalent altitude to be indicated.

  • 60

    When flags such as NAV, HDG, or GS are displayed on an HSI, the indication is

    That function is inoperative.

  • 61

    Aircraft instrument value should be marked and graduated in accordance with

    The specific aircraft maintenance or flight manual.

  • 62

    How many of the following are controlled by gyroscopes? 1. Attitude indicator. 2. Heading indicator. 3. Turn needle of the turn-and-slip indicator.

    Three

  • 63

    The green arc on an aircraft temperature gauge indicates

    The desirable temperature range.

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    問題一覧

  • 1

    Turbine engine exhaust gas temperatures are measured by using

    Chromel/alumel thermocouples

  • 2

    Which of the following instrument discrepancies would require the replacement of the instrument? 1. Red line missing 2. Case leaking. 3. Glass cracked. 4. Mounting screws loose. 5. Case paint chipped 6. Leaking at line B nut. 7. Will not zero out. 8. Fogged

    2, 3, 7, 8

  • 3

    Which of the following will cause inaccuracies in a magnetic compass that may be compensated for by an aircraft mechanic?

    Deviation

  • 4

    Magnetic compass bowls are filled with a liquid to

    Dampen the oscillation of the float.

  • 5

    The function of a CRT in an EFIS is to

    Display alphanumeric data and representations of aircraft instruments.

  • 6

    A certificated mechanic with airframe and powerplant ratings may

    Not perform repairs to aircraft instruments.

  • 7

    A radar altimeter determines altitude by

    Transmitting a signal and receiving back a reflected signal.

  • 8

    When swinging a magnetic compass, the compensators are adjusted to correct for

    Magnetic influence deviation

  • 9

    Which procedure should you use if you find a vacuum-operated instrument glass loose?

    Install another instrument.

  • 10

    The red radial lines on the face of an engine oil pressure gauge indicates

    Minimum and/or maximum safe operating limits.

  • 11

    At sea level, when the average atmospheric pressure is 14.7 PSI, the barometric pressure is

    29.92 Mb

  • 12

    Which statement regarding an aircraft instrument vacuum system is true?

    Dry-type vacuum pumps with carbon vanes are very susceptible to damage from solid airborne particles and must take in only filtered air.

  • 13

    Which condition would be most likely to cause an excessive vacuum in a vacuum system?

    Vacuum relief valve improperly adjusted

  • 14

    How is a flangeless instrument case mounted in an instrument panel?

    By an expanding-type clamp secured to the back of the panel and tightened by a screw from the front of the instrument panel.

  • 15

    What does a reciprocating engine manifold pressure gauge indicate when the engine is not operating?

    The existing atmospheric pressure.

  • 16

    The function of a display controller in an EFIS is to

    Allow the pilot to select the appropriate system configuration for the current flight situation.

  • 17

    How would an airspeed indicator be marked to show the best rate-of-climb speed (one engine inoperative)?

    A blue radial line.

  • 18

    Fuel flow transmitters are designed to transmit data

    Electrically

  • 19

    Data transmitted between components in an EFIS are converted into

    Digital signals

  • 20

    The maximum deviation (during level flight) permitted in a compensated magnetic direction indicator installed on an aircraft certificated under Federal Aviation Regulation Part 23 is

    10 degrees

  • 21

    A synchro transmitter is connected to a synchro receiver

    Electrically with wires.

  • 22

    A Bourdon tube instrument may be used to indicate 1. Pressure 2. Temperature 3. Position

    1 and 2

  • 23

    Resistance-type temperature indicators using Wheatstone bridge or ratiometer circuits may be used to indicate the temperatures of which of the following? 1. Free air 2. Exhaust gas temperature 3. Carburetor air 4. Coolant (engine) 5. Oil temperature 6. Cylinder head temperature

    1, 3, 4, and 5

  • 24

    The function of a symbol generator (SG) in an EFIS is to

    Receive and process input signals from aircraft and engine sensors and send the data to the appropriate display.

  • 25

    Which instrument condition is acceptable and would not require correction? 1. Red line missing. 2. Case leaking 3. Glass cracked. 4. Mounting screws loose. 5. Case paint chipped. 6. Leaking at line B nut. 7. Will not zero out. 8. Fogged.

    5

  • 26

    Who is authorized to repair an aircraft instrument? 1. A certified mechanic with an airframe rating. 2. A certificated repairman with an airframe rating. 3. A certificated repair station approved for that class instrument. 4. A certificated airframe repair station.

    3

  • 27

    Which of the following instrument discrepancies could be corrected by an aviation mechanic? 1. Red line missing. 2. Case leaking 3. Glass cracked. 4. Mounting screws loose. 5. Case paint chipped. 6. Leaking at line B nut. 7. Will not adjust. 8. Fogged.

    1, 4, 5, 6

  • 28

    What will be the result if the instrument static pressure line becomes disconnected inside a pressurized cabin during cruising flight?

    The altimeter and airspeed indicator will both read low.

  • 29

    What must be done to an instrument panel that is supported by shock mounts?

    Bonding straps must be installed across the instrument mounts as a current path.

  • 30

    A certificated mechanic may perform

    100-hour inspections of instruments.

  • 31

    A certificated mechanic with at least an airframe rating may perform

    Inspections and function checks on aircraft instruments.

  • 32

    Which instruments are connected to an aircraft's pitot-static system? 1. Vertical speed indicator 2. Cabin altimeter 3. Altimeter 4. Cabin rate-of-change indicator 5. Airspeed indicator

    1, 3, and 5

  • 33

    Cases for electrically operated instruments are made of

    Iron or steel cases

  • 34

    Which instruments are connected to an aircraft's static pressure system only? 1. Vertical speed indicator 2. Cabin altimeter 3. Altimeter 4. Cabin rate-of-change indicator 5. Airspeed indicator

    1 and 3

  • 35

    The lubber line on a directional gyro is used to

    Represent the nose of the aircraft.

  • 36

    When performing the static system leakage check required by Section 91.411, the technician utilizes

    Negative pressure

  • 37

    An aircraft magnetic compass is swung to up-date the compass correction card when

    Equipment is added that could affect compass deviation.

  • 38

    The operation of an angle-of-attack indicating system is based on detection of differential pressure at a point where the airstream flows in a direction

    Not parallel to the true angle of attack of the aircraft.

  • 39

    What is the fixed line mark attached to the compass bowl of a magnetic compass called?

    Lubber line

  • 40

    Which of the following instruments will normally have range markings?

    Cylinder head temperature gauge, airspeed indicator

  • 41

    A turn coordinator instrument indicates

    Both roll and yaw.

  • 42

    (1) Aircraft instruments are color-coded to direct attention to operational ranges and limitations. (2) Aircraft instruments range markings are not specified by Title 14 of the Code of Federal Regulations but are standardized by aircraft manufacturers. Regarding the statements above,

    Only No. 1 is true.

  • 43

    When installing an instrument in an aircraft, who is responsible for making sure it is properly marked?

    The mechanic installing the instrument.

  • 44

    The method of mounting aircraft instruments in their respective panels depends on the

    Design of the instrument case

  • 45

    If a static pressure system check reveals excessive leakage, the leaks) may be located by

    Isolating portions of the line and testing each portion systematically starting at the instrument connections.

  • 46

    Instrument panel shock mounts absorb

    Low frequency, high-amplitude shocks.

  • 47

    An aircraft instrument panel is electrically bonded to the aircraft structure to

    Provide current return paths.

  • 48

    The maximum altitude loss permitted during an unpressurized aircraft instrument static pressure system integrity check is

    100 feet in 1 minute.

  • 49

    Aircraft instrument panels are generally shock-mounted to absorb

    Low-frequency, high-amplitude shocks.

  • 50

    Where may a person look for the information necessary to determine the required markings on an engine instrument? 1. Engine manufacturer's specifications 2. Aircraft flight manual 3. Instrument manufacturer's specifications 4. Aircraft maintenance manual

    2 or 4

  • 51

    What marking color is used to indicate if a cover glass has slipped?

    White

  • 52

    A barometric altimeter indicates pressure altitude when the barometric scale is set at

    29.92" Hg

  • 53

    A radar altimeter indicates

    Altitude above ground level.

  • 54

    When an aircraft altimeter is set at 29.92" Hg on the ground, the altimeter will read

    Pressure altitude

  • 55

    The requirements for testing and inspection of instrument static systems required by Section 91.411 are contained in

    Part 43, appendix E

  • 56

    Which of the following operating mechanisms would be found in a hydraulic pressure gauge?

    Bourdon tube

  • 57

    When an unpressurized aircraft's static pressure system is leak checked to comply with the requirements of Section 91.411, what aircraft instrument may be used in lieu of a pitot-static system tester? 1. Vertical speed indicator 2. Cabin altimeter 3. Altimeter 4. Cabin rate-of-change indicator 5. Airspeed indicator

    3

  • 58

    Aircraft temperature thermocouple leads may

    Not be altered and are designed for a specific installation.

  • 59

    Instrument static system leakage can be detected by observing the rate of change in an indication of the

    Altimeter after suction has been applied to the static system to cause a prescribed equivalent altitude to be indicated.

  • 60

    When flags such as NAV, HDG, or GS are displayed on an HSI, the indication is

    That function is inoperative.

  • 61

    Aircraft instrument value should be marked and graduated in accordance with

    The specific aircraft maintenance or flight manual.

  • 62

    How many of the following are controlled by gyroscopes? 1. Attitude indicator. 2. Heading indicator. 3. Turn needle of the turn-and-slip indicator.

    Three

  • 63

    The green arc on an aircraft temperature gauge indicates

    The desirable temperature range.