Aircraft General Knowledge Flashcards
Practice exam cards to test your AGK knowledge
The battery switch in an aircraft electrical system is used to …
connect the battery to the electrical system
When the inlet valve is closed after BDC in a 4-stroke engine, the maximum quantity of fuel/air change entering the cylinder is ensured. The modification to the valve timing is know as …
valve lag
The function of a restrictor valve in an aircraft hydraulic system is …
reduce the speed of operation of a hydraulic unit
An IVSI differs from a conventional VSI in that it has …
an inertial accelerometer to assist initial indication of climb or descent
A directional gyro (DG) suffers from the errors of …
precession and instrument error
A remote magnetic indicator (RMI) has …
a remote sensor to improve accuracy
Connecting aircraft batteries in parallel results in …
increased amp/hours
If the gas pressure is too low in a hydraulic accumulator you would expect …
reduction in emergency power and slower operation of some units
If the manual clutch in a conventional helicopter rotor/transmission system is disengaged during powered forward flight …
the helicopter rotor system will lose power, RRPM will decay, the aircraft nose will yaw left and the engine may over speed.
Fluctuating fuel pressure gauge indications on a normally carburetted engine indicate …
vapor lock in the system
Fuel tank vents should be inspected before flight because …
a blockage in the vent can interrupt the fuel supply to the engine
The reading of a manifold pressure gauge on an inoperative engine at 2000 ft AMSL would be approximately (assume ISA) …
28 inches Hg
An engine with a combustion chamber of 13 cubic inches capacity and a swept volume of 78 cubic inches has a compression ratio of …
7 to 1
A pressure relief valve fitted to an aircraft hydraulic system is designed to …
protect the system from excessive pressure in the event of a pressure regulator failure
De-icing mats on rotor blades should be activated …
after ice has formed
