What is the fuel air ratio average by weight?

PPL Air Tech - Carburettor

Quiz
•
Chemistry
•
University
•
Medium

Tayla Boocock
Used 249+ times
FREE Resource
37 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
1:8
1:10
1:12
1:14
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the purpose of the venturi in the carburettor?
to cool down the fuel/air mixture for evaporation
to heat up the fuel/air mixture for evaporation
to draw out the fuel from the nozzle
to accelerate air so the throttle butterfly doesnt flutter
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What controls the rate at which air flows through the venturi?
the throttle butterfly
the mixture control
the accelerator pump
the metering jet
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Why does a carburettor have an atomisation and diffusion system?
to improve vapourisation of the air
to distribute the mixture to each cylinder
to condense the mixture for smoother flow through the manifold
to improve vapourisation of the fuel
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What system ensures there's sufficient fuel for engine operation when the throttle control is closed?
accelerating system
enrichment system
idling system
idle cut-off system
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Why is a mixture control required?
To regulate the amount of fuel being metered
To regulate the amount of air being metered
To increase the rate of mixture flow
To increase the rate of fuel flow as throttle is opened
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In 'standard' sea level conditions, mixture should be set to...
FULL RICH
FULL LEAN
IDLE CUT OFF
50% LEAN
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