Electrical drawings are a universal language for engineers., True, False, A 1-way switch controls a light from two locations., True, False, Layout plans show physical positions of components., True, False, Continuity testing is done on live circuits., True, False, A Megger test checks insulation quality., True, False, Cable trays are used to organize and support multiple cables, True, False, Before testing a lighting circuit, it should first be energized, True, False, A nicked conductor can weaken the cable and lead to, True, False, Load balancing is an important consideration when wiring DBs, True, False, Lockout/Tagout (LOTO) procedures help improve safety., True, False, In a DOL circuit, the motor runs without a contactor., True, False, Blue color wire is used for neutral, True, False, PLC stands for Power Line Controller, True, False, DOL starter reduces starting current, True, False, Terminal blocks help organize wiring in control panels, True, False, RPM means speed of the motor, True, False, In Saudi Arabia, 60 Hz is commonly used, True, False, Rated power of 3-phase motor is measured in volts., True, False, Star (Y) connection is used for 380-415 V., True, False, Delta (D) connection is used for 220-240 V., True, False, What does a lamp symbol typically look like in electrical drawings?, a) Triangle, b) Circle with a cross, c) Rectangle, d) Zigzag line, A 2-way lighting circuit allows:, a) One switch control, b) Two switches controlling one light, c) Two lights on one switch, d) No control, What does the ground symbol represent?, a) Power supply, c) Earth connection, b) Neutral wire, d) Switch, A single-line diagram (SLD) show?, a) Detailed wiring connections, b) Physical layout only, c) Simplified power system overview, c) Only lighting circuits, What indicates good continuity in a circuit?, a) High resistance, b) No reading, c) Low resistance or beep sound, d) Infinite resistance, Which tool is most suitable for attaching a ring terminal to a cable?, a) Hammer, b) Ratcheting crimper, c) Hacksaw, d) File, Which cable type is most commonly used in residential lighting installations?, a) SWA Cable, b) Fiber Optic Cable, c) Twin & Earth Cable, d) Coaxial Cable, What is the main purpose of a Main Isolator?, a) Increase voltage, b) Disconnect the entire supply, c) Measure current, d) Control motor speed, Which industrial component is used to start and stop motors electrically?, a) Fuse, b) Contactor, c) Junction Box, d) Lamp Holder, When terminating stranded conductors, what should be done before insertion into a terminal?, a) Paint the wire, b) Twist the strands neatly, c) Heat the conductor, d) Cut half the strands, What is continuity testing used for?, a) Measuring power, b) Checking connection between two points, c) Measuring temperature, d) Measuring frequency, Insulation resistance test is used to check?, a) Wire color, b) Voltage supply, c) Motor speed, d) Dirt or moisture in winding, Which instrument is used to measure power?, a) Ammeter, b) Voltmeter, c) Wattmeter, d) Multimeter, Which of the following can a multimeter measure?, a) All of the above, b) Temperature, c) Frequency, d) Capacitance, To test a diode, set the dial to?, a) Voltage mode, b) Current mode, c) Diode test mode, d) Frequency mode, Star-Delta starter is used to?, a) Increase voltage, b) Reduce starting current, c) Stop motor, d) Store energy, What is the main function of a PLC?, a) Generate power, b) Store fuel, c) Increase Voltage, d) Control and automate processes, To change direction of a 3-phase motor?, a) Swap two phases, b) Change fuse, c) Change Voltage, d) Add resistor, What is used to measure insulation resistance?, a) Voltmeter, b) Ammeter, c) Insulation tester, d) Clamp meter, A three-phase motor is supplied by?, a) One phase, b) Two phases, c) DC supply, d) Three AC phases, Before testing, circuits must be __________ for safety., Busbar, Isolated, Single line, Mega Ohms, Protractor, Direct, A thick line in SLD represents a ____________, Protractor, Busbar, Single line, Isolated, Mega Ohms, Direct, A____________is used to measure angles in drawing., Shaft, Contactor, Direct, Screws, Isolated, Protractor, Insulation resistance is measured in __________., Mega Ohms, Current, Single line, Screws, Direct, Shaft, A __________ diagram provides a simplified overview of power distribution., Current, Mega Ohms, Isolated, Shaft, Single line, Direct, DOL starter means ______ On Line starter., Busbar, Direct, Mega Ohms, Shaft, Current, Contactor, Star-Delta starter reduces the starting ______., Protractor, Direct, Isolated, Shaft, Busbar, Current, Wires are fixed using ______ or clamps., Shaft, Screws, Protractor, Isolated, Busbar, Current, The motor ______ carries the rotating part., Protractor, Current, Isolated, Direct, Busbar, Shaft, DOL starter includes a ______ and overload unit., Contactor, Isolated, Busbar, Mega Ohms, Protractor, Shaft

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