Which of the following procedures forms part of the cylinder leakage test?
A - NSC Mechanical Technology Automotive - Question 4 - 2021 - Paper 1
Question 4
Which of the following procedures forms part of the cylinder leakage test?
A. Connecting a compression tester to a spark plug hole
B. Cranking the engine
C. Connect... show full transcript
Worked Solution & Example Answer:Which of the following procedures forms part of the cylinder leakage test?
A - NSC Mechanical Technology Automotive - Question 4 - 2021 - Paper 1
Step 1
Which of the following procedures forms part of the cylinder leakage test?
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Answer
C. Connecting compressed air to a cylinder leakage tester.
Step 2
A compression test is performed when the engine is …
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Answer
B. at TDC.
Step 3
What is the function of a supercharger? To effectively …
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Answer
C. drive the blower.
Step 4
Which ONE of the following can determine wear on a crankshaft journal?
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Answer
B. Measure the crankshaft journal for ovality.
Step 5
Which of the following will raise the compression ratio of an engine?
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Answer
A. Fit a thicker head gasket.
Step 6
The total volume displaced by the piston when it moves from bottom dead centre to top dead centre is called the …
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Answer
D. piston volume.
Step 7
Brake power is defined as the …
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Answer
B. usable power measured at the flywheel.
Step 8
What is the cause of excessive oil pressure in the engine lubricating system?
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Answer
A. Viscosity of the oil is too high.
Step 9
Which ONE of the following is an advantage of fitting an electric submerged fuel pump to a fuel system?
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Answer
C. Prevents vapour lock.
Step 10
Reverse reduction is obtained with a single epicyclic gear system by using the following combination:
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Answer
D. The annulus is locked and the sun gear is the driven component.
Step 11
The stator in the torque converter is responsible for the …
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Answer
B. transfer of power.
Step 12
Which ONE of the following statements best defines king pin inclination?
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Answer
C. The angle formed between the perpendicular line and the centre line of the king pin as seen from the front.
Step 13
Which component manages the operation of the injectors in electronic fuel injection systems?
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Answer
C. Electronic control unit.
Step 14
Which of the following methods can be used to increase the output power of an engine?
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Answer
This part needs a valid method to answer the question.
