Basic Systems

Question 1

List 5 safety devices that will be fitted to diesel engines

Answer 1

-Engine over speed shut off
-low lube oil pressure
-high lube oil temperature
-low coolant pressure
-high coolant temperature

Question 2

What are the oil tests

Answer 2

-Viscosity
-Water
-Acidity

Question 3

What is the 4 stroke cycle

Answer 3

-Induction
-Compression
-Power
-Exhaust

Question 4

Appliances that are diesel

Answer 4

-diesel generators
-main engines/motor boats
-air compressor
-fire pumps

Question 5

List 5 different valves

Answer 5

Globe, gate, flap, Saunders, ball seated cock, relief, reducing, non-return, pressure control.

Question 6

Types of tanks

Answer 6

Header tank
Service tank
Drain tank

Question 7

What is the purpose of a header tank

Answer 7

Used as a reservoir to top up a tank or a system

Question 8

What is the purpose of a service tank

Answer 8

Used as a reservoir of clean water free fuel

Question 9

What is the purpose of a drain tank

Answer 9

Used to collect oil returning from a system and act as a reservoir

Question 10

Phosphor bronze

Answer 10

High pressure salt water

Question 11

Copper

Answer 11

Domestic fresh water system

Question 12

Copper nickel

Answer 12

Lube oil system

Question 13

Brass

Answer 13

Castings

Question 14

Plastic

Answer 14

Sewage and pre wet

Question 15

List 2 different filters

Answer 15

Metallic
Absorbent