TEST YOUR HEAD KNOWLEDGE.
QUESTION (1) Name the 3 specific types of cylinder heads?
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QUESTION (2) Under what conditions do exhaust valves normally operate?
And why do exhaust valves burn more often than inlet valves?
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QUESTION (3) Why do exhaust valves normally have wider tappet clearances than inlet valves?
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QUESTION (4) Why do inlet valves generally have larger heads than exhaust valves?
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QUESTION (5) What modifications have to be carried out on the average cast-iron cylinder head when converting to LPG?
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QUESTION (6) What can valve guide wear cause?
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QUESTION (7) Why is valve spring tension important?
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QUESTION (8) Why is it important to know the nominal cylinder head thickness?
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QUESTION (9) What is meant by " straightening a cylinder head"?
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QUESTION (10) Why do bent OHC cylinder heads have to be straightened before they are surface ground?
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QUESTION (11) What does sencro-seating describe?
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QUESTION (12) What is a cylinder head vacuum test?
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QUESTION (13) What is a cylinder head crack test?
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QUESTION (14) What is a cylinder head pressure test?
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