A pulsating sound coming from an oil furnace indicates _____

a. the flame is touching the combustion chamber
b. a defective blower
c. under-firing
d. soot buildup on the heat exchanger


a

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The computer age has offered many benefits but many accompanying drawbacks

Indicate whether the statement is true or false

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Technician A states that the service diaphragm in a spring brake can be safely changed, providing the spring brake is properly caged with a cage bolt before removing it. Technician B states that it is no longer possible to change the hold-off diaphragms in most spring brake assemblies, because the band clamp cannot be unbolted. Who is correct?

A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B

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What decimal number does 25 represent?

A) 25 B) 31 C) 10 D) 32

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What are the two basic jack designs?

What will be an ideal response?

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