Explain how the circuit works in detail **FIRE ALARM WITH MOTOR CONTROLDI1N4887 SENSORQBC357DR11BUZDC 3-38RIZIKLED3SCRRISIK$1(b)IKSUBSTITUTIONN/C LEDI (G)WARNINGSW2WITH PIN CONFIGURATIONIN4887RELAYHмоPUSH TO OFFLEDZ(G)SiCaMOTOR (MR13製LED4CIRCUIT DIAGRAM OF FIRE ALARM WITH MOTOR CONTROL

This circuit, titled "Fire Alarm with Motor Control," combines fire detection with motor control…

Answered: ** FIRE ALARM WITH MOTOR CONTROL DI…

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)

10th Edition

ISBN:9781337399128

Author:Russell E. Smith

Publisher:Russell E. Smith

Chapter15: Residential Air-conditioning Control Systems

Section: Chapter Questions

Problem 8RQ

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Choose the right answer. 1. The basic elements in any power system are 2. The reactors have the following problems 3. If a fault occurred between phases (A, B, and C) simultaneously the fault is called if the fault occurred on phase (A) only or phases (A, B), it may take the following types and ...... where or 4. The symmetrical component method is 5. Conditions for succesful operation of a power system are 6. The reason we use the numerical methods in load flow analysis is 7. The main diagonal of Y-bus numbers by a factor / not any) 8. The properties of the fault currents and (changes the signs / keeps the signs / multiplies the .... .... ....... re
110 About indistrial piping WHY IS THE ASME 31.3 ALLOWABLE VOLTAGE A COMBINED VOLTAGE?
The protection against direct lightning strokes and high voltage steep waves is provided by a. Earthing of neutral b. Lightning arresters and ground wires c. Lightning arresters d. Ground wires
We are running 3 wires and a ground in a RMC to a control panel with a 60 amp circuit breaker disconnect in the control panel. The conduit is run along the ceiling where the ambient air temperature is 100 degrees. The control panel feeds our secondary cooling pump. What size are the ungrounded conductors? All conductors have typeTHHN insulation. A #6 AWG B 600 Kcmil C #8 AWG D #2 AWG What size RMC do we need? A 3" B 3/4" C 1" D 1 1/2"
Most residential general lighting circuits are wired with 14-AWG copper conductors and are protected by 15-amp circuit breakers. However, there are many electricians who install 12-AWG copper conductors and protect them with 20-amp circuit breakers. How will you know which conductor size and which circuit breaker size will be used for the general lighting branch circuits in the house you are wiring?
The following problems pertain to luminaires in clothes closets. a. Does the Code permit bare incandescent lamps to be installed in porcelain key-less or porcelain pull-chain lampholders? ________________ b. Does the Code permit bare fluorescent lamp luminaires to be installed? ________________ c. Does the Code permit pendant lampholders to be installed? ________________ d. What is the minimum clearance from the storage area to surface-mounted incandescent luminaires? ________________ e. What is the minimum clearance from the storage area to surface-mounted fluorescent luminaires? ________________ f. What is the minimum distance between recessed incandescent or recessed fluorescent luminaires and the storage area? ________________ g. Define the storage area. ______________________________________ ______________________________________ ______________________________________ ______________________________________ ______________________________________ ______________________________________ h. If a clothes hanging rod is installed where there is access from both sides, such as might be found in a large walk-in clothes closet, define the storage area under that rod. ___________________________________ ___________________________________
Difference in circuit breakerand isolator.
.
Why PMMC Voltmeters can not be used to measure higher voltages directly? a. because the size of the coils will raise b. because the coils will not be present at all c. because of the lesser current ratings. d. because of the lesser size problems
13. Two electricians are discussing feeders that supply branch circuits. Electrician A says that the AHJ canrequest a drawing that indicates conductor size and other details. Electrician B says that a GFPE must beincluded as part of the 500A feeder disconnect. Which of the following statements is correct?A. Both electricians are correct.B. Neither electrician is correct.C. Only Electrician A is correct.D. Only Electrician B is correct.
None
The voltage drop across two series – connected units A & B are 60 & 90 Volts respectively . Assume EA to be reference phasor , a) calculate the resultant voltage (ER) and the angle it makes with the x axis reference? if EA lags behind EB by 90⁰ (b) If EB leads EA by 60⁰?

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** FIRE ALARM WITH MOTOR CONTROL DI 1N4887 SENSOR QBC357 D R11 BUZ DC 3-38 RIZ IK LED3 SCR RISIK $1(b) IK SUBSTITUTION N/C LEDI (G) WARNING SW2 WITH PIN CONFIGURATION IN4887 RELAY H мо PUSH TO OFF LEDZ (G) SiCa MOTOR (M R13 製 LED4 CIRCUIT DIAGRAM OF FIRE ALARM WITH MOTOR CONTROL