Technician A says electronic leak detectors make a noise when a leak is detected. Technician B says that often the same leak detector can be used for R-12 and R 134a. Which technician is correct?
A) Technician A B) Technician B C) Both technicians D) Neither technician
C
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Heaters for motor starters are available in different sizes so that ________
A) they can match the voltage rating of the fuses used in the circuit B) they can match the temperature rating of the ambient air in which the motor will operate C) they can provide the correct amount of current protection to match the motor that is connected to the motor starter
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Transgenic plants contain foreign genes
Indicate whether the statement is true or false
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Fossil fuel is a renewable resource
Indicate whether the statement is true or false.
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Electric defoggers operate on what principle?
What will be an ideal response?
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