The EASA
ATPL Systems, Powerplant, and Electronics
test bank contains questions pertaining to
021-01-07 Hydraulics
. The following list contains only a relatively small percentage of the pertinent
questions. Our software, which you are free to download now at no cost, will
generally contain a much more complete set of questions associated with this
test bank. This list is intended only to familiarize you in a general way with
the questions of the
Systems, Powerplant, and Electronics
test bank.
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That said, while the following questions are intended
as a general familiarization tool, this list may not be up-to-date nor accurate.
We do not update this website as often as we update our software, which will
contain at any moment all questions that we have for a given test / topic. Therefore,
if you need to actually study for your test, instead of using the list below,
we strongly, strongly encourage you to download our GroundSchool
EASA ATPL
Written Test Prep Software and Apps. Not only is it more complete and up-to-date, but is also considerably faster and more efficient as a study tool.
| Sample Questions
from the EASA ATPL
Systems, Powerplant, and Electronics
Test Bank |
- A pressure maintaining or priority valve:
- DTD 585 (MIL-H 5606) is coloured:
- The hydraulic fluid is changed, but the wrong fluid is replaced. This would lead to:
- In a hydraulic system fitted with a constant volume pump, when maximum system pressure is reached:
- In a hydraulic braking system, an accumulator is precharged to 1200 psi. An electrically driven hydraulic pump is started and provides a system pressure of 3000 psi. The hydraulic pressure gauge which is connected to the gas section of the accumulator, reads:
- Hand pumps are usually fitted to aircraft systems to:
- The purpose of a shuttle valve is to:
- An Automatic Cut Out Valve is installed in a hydraulic system:
- What is the purpose of a pressure switch in a hydraulic supply system?
- To prevent leakage of a mineral based fluid in two directions which seal is used?
- In a hydraulic system the master cylinders inner diameter is 10 mm2, and the actuator cylinders inner diameter is 100 mm2. If you press the master-cylinder 2 cm by using a 100 N force, the actuator cylinder will move:
- In a modern hydraulic system, " hydraulic fuses" can be found. Their function is:
- The purpose of a pressure maintaining valve is to:
- The contents of the hydraulic fluid reservoir are checked. They indicate that the reservoir is at the full level. The system is then pressurised. Will the contents level:
- What is the purpose of a flop tube, as fitted to a hydraulic reservoir?
- The reason for the pressure accumulator in the hydraulic system is:
- The type of hydraulic oil used in modern hydraulic systems is:
- One hydraulic system can be pressurised by another hydraulic system without fluid mixing using a hydraulic motor-pump device, also called...
- Hydraulic accumulators are normally charged to:
- The purpose of a hydraulic reservoir is to:
- High frequency vibration and hammering in a hydraulic system is:
- In a hydraulic reservoir with a stack pipe fitted, the pipe line to the emergency pump is connected to:
- A hand pump will draw its supply from:
- In a hydraulic system utilising a constant delivery pump, essential components are:
- A hydraulic non-return valve:
- A hydraulic fuse is used:
- Discounting the possibility of leak, the level in a hydraulic reservoir will:
- The arrow on a non-return valve points:
- When excess pressure is relieved by the pressure relief valve it is:
- To allow for failure of the normal method of system pressure limiting control, a hydraulic system often incorporates:
- A hydraulic circuit utilising a constant volume pump would also require:
- In an aircraft hydraulic system, it is permissible to use:
- When there is no flow in the tubes of a hydraulic system, the hydraulic pressure:
- A variable displacement type hydraulic pump:
- An accumulator is precharged with nitrogen to a pressure of 500 lb.in-2. The hydraulic system is then pressurised to 1500 lb.in-2. The accumulator gauge will now read:
- A complex hydraulic systems may pressurise the oil reservoir by means of bleed air from the engines, this is:
- A modern aeroplane is equipped with warning lights in the cockpit to monitor the hydraulic system. What does the illumination of the hydraulic oil temperature light indicate?
The
list above contains 1/4 or less of the actual number of questions
and may not be up to date! Download the software today to get
access to all available questions. |
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more information about the EASA ATPL
Systems, Powerplant, and Electronics
test bank, click here.
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