Boma motor controls - Study guides, Class notes & Summaries

RMO Final Exam Questions and Complete Solutions A standpipe system will be out of service for two days. How long should there be a fire Watch? A) The first 24 hours B) The entire time the standpipe is out of service C) The first 12 hours D)The last 12 hours of the day - Answer: The entire time the standpipe is out of service. The only refrigerant temperature chart available to a refrigerant engineer lists the temperature in degrees Celsius. If the chart indicates a Celsius temperat...

BOMA: Motor Controls Exam Update Questions with Approved Answers Graded A+...100% Pass *A motor control circuit that allows the motor to automatically start after power is restored provides low voltage release? - Answer Is said to be wired across the line is provided/is a 2 wire control circuit *Fish tape can be made of? - Answer Tempered steel, nylon, wound steel cable *Rheostats are generally used in a motor controls for _____? - Answer Specially designed motors/small motors *Synchrono...

BOMA- Electric Motor Controls Exam Update Questions with Correct Answers Graded A+ 100% - Answer Branch circuit conductors, must be rated at least (blank) of the motors full load current: 1800 - Answer A four-pole induction motor operates with a line frequency of 60hz. What is the speed at which the field is rotating in revolutions per minute? 2-pole contactor - Answer A contactor with two sets of contacts is: 3600 rpms - Answer At a 60hz frequency, a two-pole motor will operate at: 70%...