1) A multi-tester is capable of measuring voltage, amperage, and resistance. It is also commonly known by which of the following names? a) Ammeter or Galvanometer b) Multi-meter or Volt-Ohm Meter 2) What is the primary distinguishing feature of a Digital Multi-tester (DMM) compared to an Analog Multi-tester? a) It requires the user to manually select the expected range of the measurement. b) It has a numeric display and may also show a graphical bar, representing the measured value. 3) In a digital multi-tester, which probe is always connected to the COM (Common) port? a) The black probe, which is the negative terminal. b) The probe of measuring large currents (10A). 4) The mAVO port on a digital multi-tester is specifically designed to allow current measurement up to which value? a) 200 mA b) 200 V 5) When measuring voltage using a digital multi-tester, where should the red and black probes be inserted? a) Red probe into 'V' and black probe into 'COM'. b) Black probe into the positive jack and red probe into the common jack. 6) If a user needs to measure a current larger than 200 mA in a circuit, which port on a digital multi-tester should the red probe be inserted into? a) The mAVO port b) The 10A port 7) What is the expected indication from a digital multi-tester when performing a continuity check on a shortened circuit point? a) The meter reads an 'IR' (Infinite Resistance) message. b) The multimeter beeps out. 8) A diode is working properly if it shows a low reading when the red lead is connected to the positive terminal and a high value when the red lead is connected to the negative terminal. This statement describes which two conditions respectively? a) Reverse-bias; Forward-bias b) Forward-bias; Reverse-bias 9) When attaching the test probes to an Analog Multi-tester, which jack is the red test probe connected to? a) The common jack (negative) b) The positive jack 10) Before measuring resistance with an analog multi-tester, the user must 'short the two test probes lead together' and adjust the Zero Ohm Adjustment know. What is the main purpose of this procedure? a) To ensure the pointer rests exactly at the zero ohm reading for the selected range. b) To charge the internal battery of the multi-tester. 11) Why should a person avoid holding both the black and red test probes lead together when measuring components like resistors and diodes? a) The human body has resistance that may effect the reading value of the electronic component. b) It can shock the user due to residual voltage stored in the component 12) An analog multi-tester is set to the x1Ω selector range. If the pointer rests at the reading of 20 on the ohmmeter scale, what is the measured resistance value? a) 20Ω b) 20KΩ 13) An analog multi-tester is set to the x10Ω selector range. If the pointer rests at the reading of 2 on the ohmmeter scale, what is the measured resistance value? a) 20Ω b) 10Ω 14) If you are testing a 55KΩ resistance with an analog multi-tester, which range setting is most advisable for a clear reading? a) x10Ω b) x10KΩ 15) What position should the selector switch of a multi-tester be set to when the instrument is not in use or is being stored? a) The lowest Ω range (x1Ω). b) 1000v or off position. 16) What is the recommended starting procedure when setting a multi-tester to read the amount of voltage? a) Select the AC or DC setting first. b) Start to the highest range to set the tester setting. 17) What part of a digital multi-tester is used to select the different tasks, such as reading voltage, resistance, and ohms? a) The probes b) The selection knob 18) The display screen of a typical digital multi-tester is said to consist of five digits. What do these five digits represent? a) One digit for the sign value and four digits for the number representation. b) The range selected and the unit of measurement. 19) In resistance measurements using an analog multi-tester, what is the resistance reading associated with an open resistor or an open connection? a) A value of 55KΩ b) Infinite resistance 20) When measuring current using a digital multi-tester, how should the meter to be connected to the line through which the current is to be measured? a) In series with the circuit so that all current flows through the meter. b) Using only the V and COM ports for the connection. 21) What is an electrical wiring diagram primarily a presentation of? a) The physical connections, layout, and schematic of an electrical circuit. b) The history and evolution of electrical system. 22) What is one key benefit of knowing how to create different electrical wiring diagrams? a) It ensures that the entire house is fully automated. b) It saves time and money and prevents injury when performing electrical tasks. 23) Which type of electrical wiring diagram is described as the simplest form of electrical drawing, comprising only the function of each component and the flow of a process? a) Pictorial diagram b) Block diagram 24) The Schematic Diagram uses standard electrical symbols to show the components of a circuit and the way wiring is routed. What essential detail does it not show? a) The actual physical location of the components. b) The types of components used. 25) Which type of schematic diagram shows the internal circuit of the physical device and the external circuits that conduct input and output signals? a) External Schematic Diagram b) Internal Schematic Diagram 26) What is the defining characteristics of a Single Line Diagram (SLD)? a) It only used for DC circuits b) It represents the electrical circuit using only a single line. 27) What is the primary function of a Single Line Diagram (SLD) during troubleshooting in a power system? a) To calculate the total voltage drop across the system. b) To determine and isolate any faulty equipment. 28) What kind of electrical information is the Three Line Diagram designed to provide that is typically not seen in a Single Line Diagram? a) Detailed information related to the three-phase circuit b) History of the wiring installation. 29) Which type of diagram is described as representing the external appearance of each component, often looking like a photograph of the circuit using simple images? a) Pictorial Diagram b) Schematic Diagram 30) What is the primary application of a Ladder Diagram? a) To show the AC and DC waveform analysis. b) To document control logic system in industrial electrical circuits. 31) In a Ladder Diagram, what do the two vertical lines represent? a) The fuse snd the circuit breaker b) The power supply (voltage source) on the left and the ground or neutral on the right. 32) In a Ladder Diagram, what is each horizontal row, which represents a parallel circuit, called? a) A wire b) A rung 33) The Logic Diagram shows the logic circuit using various blocks or symbols. What function do the lines that interconnect these blocks represent? a) The physical location of the wiring. b) Input and output lines for the signals. 34) In a Logic Diagram, how are the blocks typically labeled? a) With their cost and physical size? b) With rhe the logic function they perform. 35) What in another name for a Single Line Diagram (SLD)? a) One-line Diagram b) Circuit Flow Diagram 36) What is the simplest form of electrical drawing, which uses blocks and lines to show the relationship between components and the flow of a process? a) Pictorial Diagram b) Block Diagram 37) What makes a Logic Diagram complex to other diagrams? a) It must include a list of all potential troubleshooting steps. b) It shows the logic circuit by having the complex circuit and process using various blocks or symbols. 38) What is shown by the interconnection of the electrical wiring diagram? a) The weight of the electrical components. b) Electrical wires, fixtures, and components of the system. 39) What kind of electrical drawing requires proper layout of wirings in order to avoid any kinds of trouble or accident? a) A component list. b) A good electrical wiring diagram. 40) What is the purpose of an Internal Schematic Diagram? a) It shows the external connections to power and ground b) It shows the internal circuits of a single physical device

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