A low steady reading on a vacuum gauge connected to the intake manifold of an operating engine may be caused by
A. Retarded ignition timing
B. A restricted exhaust
C. Incorrect valve timing
D. Both A and C
Answer: D
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What is used for bulk storage or transport of dry materials?
e. Weirs f. Dryers g. Hoppers h. Downcomers
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Crayfish are grown in earthen constructed ponds that are no more than 2 feet deep
Indicate whether the statement is true or false
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A mixture of oil and oxygen could cause _____
a. corrosion b. an explosion c. low torch heat d. excessive torch heat
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In a maintenance inspection routine, when should fan belts be replaced?
A. Every time any engine maintenance is performed. B. When glazed, cracked or nicked. C. Only when fully worn out. D. When belts squeal or become noisy.
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