What type of signal is produced by the throttle position sensor used by Caterpillar ADEM managed engines?

A. mechanical
B. V-DC
C. V-AC
D. PWM


Answer: D

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A(n) _________ is a piece of trim that covers the hole where the pipe penetrates the wall.

a. slip joint nut b. trap adapter c. rotation limiter d. escutcheon

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What happens if the compressor runs when the discharge service valve is front-seated?

a. The unit will be pumped down and ready for servicing the low side. b. The valves can be checked for leaking. c. The compressor can be damaged. d. The gauges can be removed and the compressor will run normally.

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A manufacturer of industrial grade gas handling equipment wants to have $500,000 in an equipment replacement contingency fund 10 years from now. If the company plans to deposit a uniform amount of money each year beginning now and continuing through year 10 (total of 11 deposits), what must be the size of each deposit? Assume the account grows at a rate of 10% per year.

What will be an ideal response?

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Places of assembly are buildings, or portions of buildings, designed (or intended) for the assembly of ____ or more persons.

A. 50 B. 100 C. 500 D. 1000

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