Unit 152 Practice Paper 2

Peter Cunningham
Quiz by Peter Cunningham, updated more than 1 year ago
Peter Cunningham
Created by Peter Cunningham over 6 years ago
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Description

Practice exam for unit 152

Resource summary

Question 1

Question
On a conventional 4 cylinder 4 stroke engine, if number 1 cylinder is on compression, what stroke is cylinder 4 on?
Answer
  • Inlet
  • Compression
  • Exhaust
  • Power

Question 2

Question
Where would you find the correct information on how to remove engine components?
Answer
  • service book
  • workshop manual
  • job card
  • vehicle log book

Question 3

Question
What passes into the engine via the inlet valve on a 4 stroke CI engine?
Answer
  • Air and fuel
  • Exhaust gases
  • Air
  • Fuel

Question 4

Question
Engine stroke is determined by the
Answer
  • distance between TDC and BDC
  • distance travelled by piston during 4 stroke cycle
  • internal diameter of piston
  • volume displaced by piston between TDC and BDC

Question 5

Question
In the illustration shown, timing belt tension is adjusted by the component numbered:
Answer
  • 9
  • 13
  • 17
  • 12

Question 6

Question
Low oil pressure could be caused by worn
Answer
  • piston skirts
  • oil control rings
  • incorrect oil filter
  • big end bearings

Question 7

Question
If the oil control valve sticks on an engine with variable valve timing, it would affect the:
Answer
  • inlet manifold pressure
  • exhaust manifold pressure
  • turbo actuation
  • valve timing

Question 8

Question
What is the fault shown in the diagram?
Answer
  • Burnt exhaust valve
  • Burnt inlet valve
  • Head gasket failure
  • Cracked cylinder head

Question 9

Question
When fitting a replacement cartridge filter element to an engine lubrication system, it is important to:
Answer
  • use a sealant on the sealing ring
  • put a sealant onto the mounting face
  • tighten up the cartridge using a filter strap
  • pour some engine oil into the element

Question 10

Question
What is the main difference between climate control and air conditioning?
Answer
  • Climate controls the cabin temperature automatically
  • Air conditioning controls the cabin temperature automatically
  • Climate control reduces cabin temperature only
  • Air conditioning raises cabin temperature only
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