AC motors can be designed to be operational in an explosive and dust-ignition environments
Indicate whether the statement is true or false
TRUE
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In reference to an electronic timer, identify the type of timer that cycles its output contact open and closed for preset intervals until the control signal is removed from the input.
What will be an ideal response?
Servo robots are sometimes called bang-bang and stop-to-stop type robots
Indicate whether the statement is true or false
Technician A states that a rust damaged catalytic converter should be replaced. Technician B suggests repairing a rust damaged catalytic converter with metal patches. Who is correct?
A. Technician A only. B. Technician B only. C. Both A and B. D. Neither A nor B.
A normally operating water-cooled condenser is operating with a 10° differential between water in and water out. If scale forms on the water tubes and the entering water is 85°F, which of the following is possible?
A. The outlet water will be 88°F. B. The system head pressure will rise. C. The water regulating valve will close. D. Both a and b are correct.