1) Which of the following terms describes a standard layout for the aircraft flight instruments? Report

Basic "4".

Basic "L".

Basic "6".

2) An example of an aircraft Instrument which measures differential pressure is the Report

altimeter

hydraulic pressure gauge

airspeed Indicator

3) Gauge pressure is :- Report

read directly from the gauge measuring the pressure.

absolute pressure + atmospheric pressure

pressure above atmospheric pressure.

4) Atmospheric pressure is measured in absolute pressure which is referenced to Report

gauge Pressure

a vacuum

millibars

5) "Air pressure" is defined as: Report

the force exerted by the air on a unit of area

14.69 pounds per square inch

the air pressure at sea level

6) A common unit used in aviation to measure air pressure is the Report

kilopascal

millibar

newton

7) An example of an Aircraft Instrument that reads Gauge Pressure would be :- Report

Fuel Pressure gauge.

Altimeter.

Manifold Pressure Gauge

8) Differential pressure is Report

the resultant pressure measured by comparing two different pressures.

the range of different pressures exerted on an aircraft in flight

the difference between absolute and atmospheric pressure.

9) Whilst an aircraft is parked, the pitot probe should be protected by a cover to prevent Report

burns caused by touching the probe when the heater is switched on

insects and small items from entering the pitot tube and blocking the lines.

oxidation of the pitot tube, thus reducing its efficiency

10) Why is the front edge of a Pitot probe tube sharp around the opening? Report

To ensure minimum disruption to the airflow entering the tube.

To prevent ice build-up on the front of the probe.

To minimise the ingestion of debris.

11) The difference between the Pitot pressure and the Static pressure is used to calculate the aircraft's Report

Rate of Climb (vertical speed)

Altitude

Airspeed

12) Static port position error is caused by Report

movement of air across the face of the Static port causing a reduction in pressure in the Static line.

changing angles of attack of the aircraft at slower speeds.

the Static port not being aligned exactly with the center-line of the aircraft.

13) Pitot Tubes measure Report

outside air pressure.

outside air temperature.

ram air pressure.

14) The system of pipes and tubes associated with the aircraft's flight instruments is called:- Report

Pitot Static System.

Aircraft Plumbing System

Aircraft Pressure Measurement System.

15) An aircraft's "Static Ports" measure:- Report

ram air pressure

outside air pressure

the difference between the outside air pressure and the cabin air pressure.

16) Pitot Tubes are normally heated to ensure:- Report

Ram air temperature is above freezing point.

The Pitot tube is not blocked by ice build-up during flight.

To help prevent insects crawling down the Pitot line.

17) The Pitot probe is oriented so that in normal flight attitude the probe is pointed directly into the air-stream. However at slower speeds and higher angles of attack can cause:- Report

Ice to build-up and block the port.

Pitot pressure error, of a lower than actual value.

Pitot pressure error of a higher than actual value.

18) Water is normally removed from Pitot Static lines by Report

blowing down them with compressed air.

heating them to evaporate the water

water drains

19) Pitot probes can sometimes contain both Pitot and Static ports:- Report

False

True

Only on larger Air Transport aircraft.

20) An aircraft altimeter measures:- Report

Ram air Pressure

Rate of change of atmospheric pressure.

Atmospheric pressure.

EASA Questions Module 13 Set 11

Set 1

Set 2

Set 3

Set 4

Set 5

Set 6

Set 7

Set 8

Set 9

Set 10

Set 11

Set 12