Pitot Static

Question 1

What are the 5 types of instruments?

Answer 1

-pressure instruments
-gyroscope instruments
-compasses
-mechanical indicators
-electronic instruments

Question 2

What are the 4 classes of instruments?

Answer 2

-flight
-engine
-navigation
-other

Question 3

What are the 4 primary flight instruments?

Answer 3

-altitude
-attitude
-airspeed
-direction of flight

Question 4

What info engine instruments provide?

Answer 4

-status of powerplant
-amount of power being produced
-instrument vacuum or pressure levels
-electrical systems health

Question 5

What factors do navigational instruments gauge?

Answer 5

-navigational info (path of flight)
-ground proximity warning
-weather avoidance

Question 6

What does the basic T contain?

Answer 6

-airspeed indicator
-attitude director indicator
-altimeter
-horizontal situation indicator

Question 7

What are the 2 ways to measure pressure?

Answer 7

-directly by leading the fluid into a transducer that converts pressure energy into an electrical signal
-measured directly by applying fluid force to movable bellows

Question 8

What is pressure?

Answer 8

A force differential between 2 points

Question 9

Define an International Standard Atnosphere (ISO) at sea level?

Answer 9

1013.25hPa at a temp of 15 degrees Celsius?

Question 10

What are the 3 types of pressure to measure?

Answer 10

-absolute pressure
-gauge pressure
-differential pressure

Question 11

Define absolute pressure?

Answer 11

Amount of pressure compared to a vacuum

Question 12

Define differential pressure?

Answer 12

The comparison between 2 pressures

Question 13

What are some uses of diaphragms and bellows?

Answer 13

-altimeter
-vertical speed indicator
-machmeter
-cabin differential pressure gauge
-manifold pressure gauge

Question 14

What are the 3 types of pressure sensing elements?

Answer 14

-bourdon tubes
-aneroid capsules or bellows
-pressure transducer

Question 15

What are the two types of pressure gauge?

Answer 15

-foil strain gauges
-silicon based strain gauges

Question 16

What does the pitot static system determine?

Answer 16

-airspeed
-altitude
-rate of climb

Question 17

What type of air pressure does the pitot static system use?

Answer 17

-static
-Dynamic

Question 18

What type of pressure does a pitot probe measure?

Answer 18

Total

Question 19

What is the equation for dynamic pressure?

Answer 19

Total-static pressure

Question 20

What is the static pressure system used for?

Answer 20

-atimiter
-ASI (airspeed indicator)
-vertical speed indicator (VSI)

Question 21

What is the difference between measured and actual static pressure called?

Answer 21

Static source error (SSE)

Question 22

How many static ports are there?

Answer 22

2

Question 23

Where are the static ports located and why?

Answer 23

On both sides to compensate for side slip

Question 24

What protects static and pitot ports from FOD and debris?

Answer 24

A baffle

Question 25

When is a pitot static leak test conducted?

Answer 25

-routinely
-when system has been disturbed or pitot has been changed

Question 26

Define QNH?

Answer 26

Height abouve sea level

Question 27

Define QFE?

Answer 27

Height above ground

Question 28

Define QNE?

Answer 28

Standard barometric setting (29.92)

Question 29

Name 4 altimeter types?

Answer 29

-1 point altimeter
-2 point altimeter
-3 point altimeter
-datum point altimeter
-barrel or counter point altimeter
-encoding altimeter
-radio altimeter

Question 30

What colour are cautions on a display?

Answer 30

Amber

Question 31

What colour are warnings on the display?

Answer 31

Red

Question 32

What replaced air data computers (ADCs)?

Answer 32

Air Data Inertial Reference Unit (ADIRU)

Question 33

How many ADIRUs are there and what does the last one do?

Answer 33

3
Last in hot standby automatically ready and switches on if one encounters an issue