How does an ultrasonic type leak detector work?

What will be an ideal response?


As refrigerant is escaping from a system, it will generate a sound at a higher than normal frequency. An ultrasonic leak detector can be used to pick up these sound waves.

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What is a beam pocket?

What will be an ideal response?

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Find the present worth for the following cash flow series (in $1000 units).



What will be an ideal response?

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Mowing can be quite destructive to turfgrasses with ___________ resulting

a. reduction of carbohydrate production and storage b. increased water loss from a cut leaf c. reduced water absorption by the roots d. all of the above

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Describe the use of an auxiliary view enlargement application.

What will be an ideal response?

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