Along with the refrigerant that is being discharged, compressors will discharge which of the following as it leaves the compressor?
A) Carbon dioxide B) Oil C) Vapor D) Water
B
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A reciprocating compressor with leaking valves will operate with:
A) A high amp draw, high suction pressure, and high head pressure. B) A low amp draw, high suction pressure, and low head pressure. C) No amp draw, zero suction pressure, and zero head pressure. D) A low amp draw, low suction pressure, and low head pressure.
The programmable logic controller (PLC) is an assembly of ____________________ digital logic elements designed to make logical decisions and provide control.
Fill in the blank(s) with the appropriate word(s).
The vertical members used to support forms for a cast-in-place concrete stairway are called _____
a. struts b. props c. posts d. shores
A contractor who files as unmarried (single) to the IRS has an effective tax rate of 28%. His gross income is $155,000, other income is $4000, personal expenses are $45,000, and deductions and exemptions are $12,000. His total income tax due is closest to: (choose one)
(a) $28,550 (b) $41,160 (c) $43,400 (d ) $55,750