Inspect and service engines

Question 1

Paramount

The safety of personnel is of paramount importance.

Answer 1

The most, or most significant

Question 2

Emit/emitted

The main by products produced as a result of combustion are emitted from the exhaust pipe off the engine.

Answer 2

To send out, or expell

Question 3

barrier

Oil lubrication provides a barrier between moving parts of the engine

Answer 3

Something that sits between two or more things

Question 4

Alloy

The type of material used in the construction of a cylinder head is either aluminium alloy or cast iron.

Answer 4

A mixture of two types of metal, for example tin and aluminium, or silver and copper, etc

Question 5

Atmospheric pressure

Inlet valves rely on atmospheric pressure to fill the cylinders.

Answer 5

Normal room air pressure.

Question 6

Ingress

Valve steam cup type oil seals are put in place to prevent the ingress of engine oil into the combustion chamber.

Answer 6

To go into

Question 7

Excess

Excess oil is prevented from entering the valve guide by the sealing rings

Answer 7

What is left over, additional or more than what is needed.

Question 8

Reciprocating motion

An example of an engine component that operates with a reciprocating motion is the pistons.

Answer 8

Up and down or back and forward motion