An effective questionnaire should include only _____ very specific questions

a. 1 to 5
b. 5 to 10
c. 10 to 15
d. 15 to 20


C

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?  On some vehicles the technician will use a ____________________  ____________________   ______________________________ to allow communication between a laptop computer and the vehicle.

Fill in the blank(s) with the appropriate word(s).

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Which of the following ingredients and conditions are required to produce photochemical smog?

A. sulfur, PM and high humidity B. coal dust and carbon dioxide C. HC+NOx+sunlight+time D. PM and VOCs

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What is the “condenser split” of most low temperature refrigeration units?

a. 15° b. 25° c. 35° d. 45°

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Most irrigation systems are very inefficient with less than half the water that is taken from streams ever reaching the plants

Indicate whether the statement is true or false

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