A technician is checking the evaporator for leaks on an R-134a refrigerant system. Technician A says that it is acceptable to use shop air to pressurize the system and use an electrnic microphone to listen for leakage. Technician B says that it is acceptable to charge the system with R-134a and then insert the elctronic leak detector probe in the evaporator drain. Who is correct?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A nor B
Answer: B
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A(n) ____________________ reaction requires supplied heat for the reaction to occur.
Fill in the blank(s) with the appropriate word(s).
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The most important tool needed when servicing a small engine is the ____________________
Fill in the blank(s) with the appropriate word(s).
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____________________ annual weeds are those that germinate in the fall, are vegetative in the winter, and flower in the following spring
Fill in the blank(s) with correct word
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Whose works of critical philosophy directly challenged religious views of reality by arguing Christian claims contradicted proven natural laws?
a. John Locke b. Baruch Spinoza c. Pierre Bayle d. Hugo Grotius
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