Worksheets172 Engines L2 L4
Total questions: 8
Worksheet time: 4mins
What is the operating pressure of the fuel in a CRD engine?
3 BAR
180 BAR
1500 BAR
1800 BAR
What are items pictured?
Pencil coils
Glow plugs
CRD Injectors
CRD spark plugs
What controls the firing on a CRD fuel system?
ECU
When injector reaches pressure
Timing pump
Scavenger pump
An absorption silencers does what?
absorbs high pitched noise
absorbs low pitched noise
absorbs NOx from exhaust
Absorbs CO from exhaust
Expansion silencers remove low pitched noise.
True
False
Why is the catalytic converter fitted near to exhaust manifold?
To allow quick heat up
To silence noise
to allow fresh oxygen into sensor
It does not matter where fitted
What gas is the most environmentally damaging?
NOx
HC
O
CO2
What is name given to exhaust gas NOx
Nitrogen dioxide
Oxides of Nitrogen
Sodium Oxide
Oxide of Sodium
