PPL AGK

What are the four strokes of an Otto Cycle?

• Induction - Power - Combustion - Exhaust

• Induction - Compression - Combustion - Exhaust

• Intake - Combustion - Compression - Exhaust

• Intake - Compression - Exhaust - Power

How many times does the crankshaft turn in a 4 stroke cycle?

• 1

• 2

• 3

• 4

What are the causes of detonation?

• Low octane rating

• High cylinder heat temperature (CHT)

• Mixture too lean

• Lead fouling

• High power with lean mixture

What lever controls the amount of fuel-air mixture into the engine?

As fuel is introduced into the carburettor, there is a decrease in temperature cause ice to deposit. What is the type of carburettor icing called, and where will it most likely deposit?

• Throttle ice, butterfly valve

• Throttle ice; venturi

• Evaporation ice; butterfly valve

• Evaporation ice; venturi

The hotter the temperature, the more/less viscous oil is.

• More

• Less

In super/turbochargers,
compressors driven by exhaust gases are called _________,
while compressors driven by the engine are called _____________.

• Supercharger; turbocharger

• Turbocharger; supercharger

• Supercharger; supercharger

• Turbocharger; turbocharger

Centrifugal twisting movement moves blades towards ________ pitch.

A centre zero ammeter measures the current into the ___________,
while a left zero ammeter measures the current from the ____________.

• Alternator; battery

• Battery; alternator

• Battery; busbar

• Alternator; busbar

What are the properties of gyroscopic instruments?