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CPL Acft Tech - Support systems

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CPL Acft Tech - Support systems
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Pascal's principle states that if...

pressure is applied at any point to a liquid in a closed system, that same pressure is felt throughout the system

pressure is applied at any point to any substance in a closed system, that same pressure is felt throughout the system

pressure is applied at any point to air in a closed system, that same pressure is felt throughout the system

pressure is applied at any point to a solid in a closed system, that same pressure is felt throughout the system

2.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Select all of the advantages of hydraulics over other systems

relatively lightweight

efficient

not flammable

minimal maintenance required

fluid is non-corrosive

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Vegetable based hydraulic oil is predominantly __________ oil and is made from the __________ _____________ plant

castor , Ricinus communis

schellac , Atropa belladonna

castor , Papaver somniferum

camfer , Coriandrum sativum

camfer , Digitalis purpurea

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What colour is mineral based hydraulic oil?

Red

Green

Purple

Blue

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A disadvantage of synthetic based hydraulic fluid is it...

attracts moisture

is prone to forming sludge

is unsuitable for higher pressures

it is highly flammable

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The purpose of a check valve in a hydraulic system is to...

prevent the reverse flow of fluid

limit the amount of pressure in a system

initiate the movement of actuators in a system

direct hydraulic fluid for system operation

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main source of contamination in a hydraulic system?

Pump

Actuators

Check valve

Accumulator

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