What pressure is the relief valve typically set at on a residential or small commercial system?

What will be an ideal response?


The pressure relief valve is usually set for 30 psig on a residential or small commercial system and piping is arranged to discharge into an approved drain.

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One of the biggest problems about insects is that most are deadly to humans

Indicate whether the statement is true or false.

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All of the following statements are correct EXCEPT ________

A) Crankshaft speed and position sensors only affect the ignition system B) An ignition module should be replaced if it is not switching the ground circuit to the coil or supplying the coil with battery voltage C) Defective crankshaft sensors may cause the fuel system to not operate correctly D) Crankshaft sensors may be either magnetic pickup sensors or Hall-effect sensors

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Discuss the two reference point systems used to position tools in a CNC machine for work on a part.

What will be an ideal response?

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If a pressure gauge on a compressed air tank reads 125 psi, assuming standard atmospheric pressure at sea level, what is the absolute pressure of air in

a. psi b. pascal c. feet of water d. feet of mercury

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