Which of the following is one of the original and still most widely used applications for waveguide?

A. FM broadcasting
B. Radar installations
C. Transmission lines
D. AM broadcasting


B

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Shock absorbers and struts provide all of these functions EXCEPT:

A. Improving ride quality B. Improving tire tread life C. Maintaining proper curb riding height D. Improving directional stability

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Based on the information provided in the differential figure below, does the action indicate the vehicle is turning a corner or moving straight?

What will be an ideal response?

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The maximum acceptable temperature in a food vending cabinet is ____________________°F.

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

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In a Dry Pipe Sprinkler Systems a dry pipe valve is installed where the water supply enters the sprinkler system. Piping in the sprinkler system is filled with air under pressure, and water is prevented from entering the piping by the dry pipe valve. The air pressure in the piping keeps the valve in the closed position. When a sprinkler head opens, the valve opens because

A. the air pressure is stabilized B. the air pressure is increased C. the air pressure is displaced D. the air pressure is reduced

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