A simple capacity-control method that provides capacity steps of 25 percent, 50 percent, and 75 percent using a plug valve would be found on a _____.

a. scroll compressor
b. hot-gas bypass setup
c. screw compressor
d. rotary compressor


c. screw compressor

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Locking up tools and equipment is a good practice because _____.

a. thieves can't easily open locks b. insurance companies will charge less c. it keeps unauthorized people from using them d. many thefts are simply a matter of opportunity

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In which treatment of hyacinth bulbs did you see bulblets form the fastest?

What will be an ideal response?

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If a person suffering from heat exhaustion doesn't improve within ___________ minutes, medical care is required.

A. 15 B. 30 C. 45 D. 60

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Why might a bad driving record make it difficult to get a job at a service company?

A) Your driving record is only important if you will be driving a bus. B) Service trucks with breathalyzer interlock cost more money. C) The company may be required to post a "Dangerous Driver" sign on their service vehicle. D) Your driving record affects the cost of insurance to the company.

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