Exam Review: Small Piston Engines

Question 1

This type of fuel system is the simplest, requires gravity, and needs to be high enough to create the required head pressure

Answer 1

Gravity Fed System

Question 2

How far fro the fire wall of an engine does the fuel tank need to be?

Answer 2

1/2” away from firewall

Question 3

For older one tankers, where is the tank?

Answer 3

Fuselage

Question 4

Where can you find a finger screen and what is it?

Answer 4

A filter found at the outlet of the tank

Question 5

What is the fuel flow requirement for a GRAVITY FEED aircraft fuel system?

Answer 5

150% minimum

critical attitude`

Question 6

Why do we want aircraft tanks to be vented and drained?

Answer 6

No explosive vapours

Maintains atmospheric pressure in the tank

Question 7

What is a primer and how does it work?

Answer 7

Used for starting

Fuel from strainer squirted to intake

Question 8

How many engine driven fuel pumps do we need?

Answer 8

One per Engine

Question 9

For low wing pump fed, how many tanks can we draw from?

Answer 9

One at a time

Question 10

When do we use the AUX pump for the low wing?

Answer 10

Starting and Backup

Question 11

Why do we set the AUX pump pressure slightly higher than the EDP pump?

Answer 11

Check if AUX pump is working

Question 12

What percentage of the fuel flow is needed for a pump feed fuel system?

Answer 12

125%

Question 13

What type of system has a vapour return and an accumulator tank?

Answer 13

High Wing Fuel Injection