eim nc written exam 2023 with complete solution

eim nc written exam 2023 with complete solution WRITTEN TEST Qualification : ELECTRICAL INSTALLATION AND MAINTENANCE NC II Project : Electrical Wiring & Installation Of Single Phase Three Wire System INSTRUCTIONS: MULTIPLE CHOICES: Choose the correct answer and write only the letter on the provided answer sheet. 1. Is a form of energy generated by friction, induction, or chemical change having magnetic , chemical and radiant effect. a. electricity b nucleus c. power d. voltage 2. The most important reason for using friction tape over a splice is to. a. prevent damage to the rubber tape b. increase the insulation resistance c. make the splice as small as possible d. prevent the wire ends from separating should he wire be pulled 3. Who is the father of the electricity? a. Joseph Swan b. Dr. William Gilbert c. Dr. Alessandro Volt d. Prof. Andre Marie Ampere 4. One objectives of preventive maintenance is a. to evaluate the production b. to prolong the life of the person c. to keep the machines in good condition d. to avoid normally function of machines 5. When circuit breaker is always tripping, most likely a. there is an overloading b. the supply lines are open c. there is an over current d. the load is removed 6. In climbing ladder, you must position the ladder a. 300 from the vertical b. 350 from the vertical c. 450 from the vertical d. 750 from the vertical 7. What is the practical unit of electrical energy? a. Ampere b. KWHr c. Power d. Watt 8. The actual power consumed in electrical system is expressed in a. Kilovar (KVar) b.KiloWatt - hour(KW- Hr) c. Power Factor (PF) d. KiloWatt-Ampere( KWA) 9. An electrician should consider all equipments live unless he definitely knows that they are not. The main reason of this practice is to avoid a. energizing the circuit b. personal injury c. safety of work d. unnecessary work