Which of the following is not a control system? Select the correct answer below: A. Home PC B. Greenhouse Climate Control C. Burglar Alarm D. Automated Car Park Barrier
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Which of the following is not a control system?
Select the correct answer below:
A. Home PC
B. Greenhouse Climate Control
C. Burglar Alarm
D. Automated Car Park Barrier
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- 2. A push-button switch that contains a spring to return the button to its original after being pushed is the _______ switch. A. toggleB. slideC. push on/push off D. momentary action 3. If a mechanical switch is used to control a digital number display circuit, the likely result will be A. contact bounce.B. an extremely bright display.C. a blown fuse. D. a short circuit.8. Where is minimum-shift keying (MSK) widely used?A. RadiosB. Cordless phonesC. Military applicationsD. Garage-door openersPlease answer all questions , and give me a sample answers 1- What is done to prevent a plan from becoming confusing because of too much detail? 2. Does compliance with the NEC always result in an electrical installation that is adequate, safe, and efficient? Why? 3. Name two nationally recognized testing laboratories. 4- Are low-voltage systems totally safe? Explain 5- Explain briefly what an arc flash is 6- Where might you obtain information about on-the-job safety and safety training?
- Food-waste disposers include a small manual reset button to restart the motor if it overheats and goes off-line due to prolonged use, something falls into the unit and jams it, or another cause. This manual reset provides the ____ protection required by Code for this type of appliance. A. short-circuitB. ground-faultC. overloadD. all of theseA real-life production facility scenario is given below. In a manufacturing facility, the pilot light comes “ON” when all of the following conditions are met: Both normally open circuit pressure switches must be closed. One of the two normally open limit switches must be closed An emergency stop or reset button to turn the Pilot lamp OFF if needed. Answer the following questions based on the above scenario. Identify and list the inputs and outputs used in this scenario. Draw a relay schematic for this scenario. Draw the ladder logic for the given scenario.Answer the 3 questions below with details information. Feel free to use pictures, illustrations in your answers. 1. What are the advantages of Arduino? (explain 2 advantages) Answer: 2. Suggest and explain 2 project ideas that can be done in Arduino using TinkerCAD in ET131 course. (different than the traffic lights) Answer: 3. Define each of the below components on an Arduino board: • Reset button: • USB connection: Digital Input/Output: • Power LED indicator:
- 8.a. Which of the following most accurately describes the difference between a contactor and a starter?A. A starter contains a contactor and some additional protective circuitry.B. A starter is always mounted in an enclosure.C. A starter contains reversing contacts.D. A starter is always three-phase while a contactor may be single-phase or three-phase.8.b. The main bus in a motor control center is used toA. reduce the possibility of overload with large loads.B. enclose motors within a protective shield.C. distribute power to all starters in the center.D. reduce the voltage of the plant's supply.a) Draw the block diagram of staircase ramp type digital voltmeter and explain the same.Please help with the following questions, thank you. Calculate the following : 1) At what voltage is the switching point? 2) The hysteresis spread ?
- 2. When working on a high - voltage system , it is best to keep anyone who is not part of the ser vice away from you and the car by creating a buffer zone around the car . Technician A makes sure the outside edges of the zone are at least one foot away from the car . Technician B places B orange cones to define the outer boundaries of the zone. Who is correct ?19.a. The easiest place to install an ammeter into a stepper motor driver/motor circuit for system diagnosticsis toA. remove a fuse and place the meter leads across the fuse clips.B. connect the meter across the center tap and phase leads of the motor.C. attach the meter in series with the driver’s power supply lead.D. disconnect a motor lead and attach the meter in series with that lead.19.b. A servo system is oscillating at standstill. This is an indication thatA. the system gain is too high.B. a driver fuse is blown.C. the following error limit has been exceeded.D. a motor winding is open.Lockout is required: During servicing and maintenance where unexpected ener- gization or start-up of equipment could harm employees. During repair and replacement work, and during renovation work. a. b. C. During modifications or other adjustments to powered equipment. d. All of the above. Lockout may involve: Opening a disconnect switch. b. a. Closing a valve. Placing a block in the equipment. d. All of the above. C. Lockout is the process ci Shutting off a machine at the end of a shift. Warning equipment operators about the risks involved in bypassing a machine guard. Preventing the flow of energy from a power source to a piece of equipment, and keeping it from operating. a. b. C. d. Preventing mechanics from starting repairs without the machine operators' knowledge. Tagout: Serves as a warning. b. Physically restrains a person from operating a power source. Must be applied using specialized tagout tools. a. C. d. Must be worn like a badge by the employee who is doing the repairs.…