Which of the following flowers are used to establish the skeleton or outline of an arrangement?
a. Line flowers c. Form flowers
b. Mass flowers d. Filler flowers
A
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When retrofitting a system from R-12 to R-134a, what is required to be done?
A) Replace the receiver-drier B) Convert the fittings C) Install a label D) All of the above
Which of the following acronyms is used to describe an engine piston that is at the exact bottom of its travel?
A. TDC B. BDC C. ATDC D. BTDC
Hydrophilic gel polymers exhibit all of the following traits EXCEPT that they ____
a. release water at low potential b. increase the water-holding capacity of soils c. do not lose effectiveness in soil with high salt levels d. absorb many times their weight in water
A large amount of oxygen in the exhaust system causes the O2S to produce which of these?
A) False readings B) Abnormal readings C) Low voltage D) High voltage