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SACA C201 ELECTRICAL SYSTEMS CERTIFICATION
STUDY GUIDE EXAM Questions with 100% Correct
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Ten rules of electrical safety - โโโ Correct Answer > A set of guidelines to ensure safe practices when working with electricity. Lockout / tag out - โโโ Correct Answer > A safety procedure used to disable machinery or equipment to prevent hazardous energy release. Ohmmeter - โโโ Correct Answer > A device used to measure resistance in an electrical circuit. Resistance characteristics in series and parallel circuits - โโโ Correct Answer > In series circuits, resistance adds up. In parallel circuits, the total resistance is less than the smallest resistance. Continuity - โโโ Correct Answer > The uninterrupted flow of current in an electrical circuit. Metric prefixes used on DMM - โโโ Correct Answer > Mega (M), kilo (K), milli (m), micro ( ฮผ ). Digital multimeter (DMM) - โโโ Correct Answer > A device used to measure voltage, current, and resistance in an electrical circuit.
Basic electrical units of measurement - โโโ Correct Answer > Volt (V), ampere (A), ohm ( ฮฉ ). Series and parallel resistance - โโโ Correct Answer > The calculation of total resistance in series and parallel circuits. Ohm's Law - โโโ Correct Answer > A mathematical equation relating voltage, current, and resistance in an electrical circuit. Kirchhoff's Voltage Law - โโโ Correct Answer > The sum of voltage drops in a series circuit is equal to the applied voltage. Series and parallel voltage - โโโ Correct Answer > In a series circuit, the current flows through all the components in the same path. As a result, the total voltage across the circuit is equal to the sum of the voltages across each of the components. In a parallel circuit, the current can flow through multiple paths. As a result, the voltage across each of the components in a parallel circuit is the same. The total current in the circuit is equal to the sum of the currents through each of the components. Power - โโโ Correct Answer > The rate at which work is done or energy is transferred in an electrical circuit. Unit of measurement: watts (W). Total power - โโโ Correct Answer > The calculation of total power in a circuit. Kirchhoff's current law - โโโ Correct Answer > The sum of
Total inductance and inductive reactance - โโโ Correct Answer > The calculation of total inductance and inductive reactance in series and parallel circuits. AC circuit with inductors - โโโ Correct Answer > The calculation of total load on an AC circuit with inductors. Capacitance - โโโ Correct Answer > The ability of a component to store electrical energy in an electric field. Unit of measurement: farads (F). Types of capacitors - โโโ Correct Answer > Electrolytic capacitor, ceramic capacitor, and film capacitor. Discharging a capacitor - โโโ Correct Answer > The process of releasing the stored electrical energy in a capacitor. Testing a capacitor - โโโ Correct Answer > Using a DMM to check the capacitance and integrity of a capacitor. Effect of a capacitor - โโโ Correct Answer > In a DC circuit, a capacitor blocks DC and allows AC to pass. In an AC circuit, a capacitor causes a phase shift between voltage and current. Total capacitance and capacitive reactance - โโโ Correct Answer
The formula for calculating total capacitance in series is: C_T = 1/(1/C
- 1/C2 + ... + 1/Cn). for connected in parallel, the total capacitance is the sum of the individual capacitances. The formula for calculating
total capacitance in parallel is: C_T = C1 + C2 + ... + Cn AC circuit with capacitors - โโโ Correct Answer > The calculation of total load on an AC circuit with capacitors. Time to charge and discharge a capacitor - โโโ Correct Answer > The calculation of the time required for a capacitor to charge or discharge. Functions of capacitors and inductors in an electric power supply - โโโ Correct Answer > Capacitors store electrical energy and provide reactive power, while inductors store magnetic energy and provide reactive power. Reactive symbols - โโโ Correct Answer > Symbols used to represent reactive components in electrical schematics. Series-parallel circuits - โโโ Correct Answer > Combination of series and parallel circuits in an electrical circuit. Solving a combination circuit - โโโ Correct Answer > The process of analyzing and calculating the values of components in a combination circuit.
Calculating transformer power loss - โโโ Correct Answer > The calculation of power loss in a transformer due to resistance and magnetizing current. Calculating the current load - โโโ Correct Answer > The calculation of the current drawn by a load connected to a transformer. Categories of transformers - โโโ Correct Answer > Power transformers and control transformers. Designing a control transformer circuit - โโโ Correct Answer > Creating a circuit using a control transformer to achieve a specific output voltage. Tap on the secondary of a transformer - โโโ Correct Answer > A connection point on the secondary winding of a transformer that allows for voltage adjustment. Types of electrical current - โโโ Correct Answer > Direct current (DC) and alternating current (AC). Manual switch operators - โโโ Correct Answer > Toggle switch, push button switch, selector switch, key switch, and rotary switch. Types of power supplies - โโโ Correct Answer > DC power supply and AC power supply.
Electrical output devices - โโโ Correct Answer > Lamp, motor, solenoid, buzzer, and relay. Circuit tester - โโโ Correct Answer > A device used to test the presence of voltage in an electrical circuit. Components of an electrical circuit - โโโ Correct Answer > Power source, load, conductor, and control device. Schematic symbols - โโโ Correct Answer > Visual representations of electrical components used in electrical schematics. Voltage - โโโ Correct Answer > The electrical potential difference between two points in a circuit. Unit of measurement: volts (V). Voltmeter - โโโ Correct Answer > A device used to measure voltage in an electrical circuit. Voltage characteristics in series and parallel circuits - โโโ Correct Answer > In series circuits, voltage adds up. In parallel circuits, voltage is the same across all components. Current - โโโ Correct Answer > The flow of electric charge in a circuit. Unit of measurement: amperes (A).
