IDENTIFY TEST PROCESS SYMBOLS AND DIAGRAMS


Pressure controller- field mounted

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Which of these heat exchangers in an automotive A/C system is located at the front of the vehicle?

A) Condenser B) Evaporator C) Heater core D) None of these are mounted at the front of the vehicle

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In addition to information provided on the motor nameplate, what additional reference would allow the electrician to determine the conduit, wire, and starting and running protection sizes needed?

What will be an ideal response?

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Which of the following could be the cause for excessive subcooling in an air conditioning system?

A. dirty or blocked condenser coil B. defective condenser fan motor C. system operating in low ambient conditions D. service panels removed from condensing unit

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Two systems have impulse responses, h1[n] = (0.9)nu[n] and h2[n] = ?[n] ? (0.9)nu[n]. When these two systems are connected in parallel what is the response y[n] of the overall system to the excitation x[n] = u[n]?

What will be an ideal response?

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