Republic of the Philippines Department of Education CARAGA REGION - XIII SCHOOLS DIVISION OF SURIGAO DEL NORTE CLAVER NATIONAL HIGH SCHOOL FINAL EXAMINATION IN ELECTRICAL INSTALLATION AND MAINTENANCE 11 S.Y. 2022 – 2023, 2nd Semester Name: _____________________________________________ Date: ____________ Grade & Section: 11 RELIANCE Score: ___________ Direction: Shade the letter of your chosen answer using the ZIPGRADE form at the right side of your questioner. 1. Which of the following electrical parameters apply or labeled to all kind of switches? A. Rated power and rated voltage B. Rated current and rated voltage C. Rated resistance and rated current D. rated power and rated current 2. A portable grinder is considered a ______________. A. Hydraulic tool C. Power tool B. Plumbing D. All of the above 3. Locknut, bushing and connectors are called electrical _______________. A. Conduit b. Fittings c. Expander d. Tighteners 4. A part providing an appropriate degree protection of equipment against contains external influences and defined degree of protection against contacts with live parts any direction a. Cabinet b. Enclosure c. Panel board d. Switch gear 5. An accessory which serves as to complete a conduit system, such as bushings and access fitting. a. Bonding jumper b. Conduit fittings c. Sleeve d. Threaded connector 6. A point in the wiring system at which current is taken to supply and utilization equipment. a. Branch circuit b. Feeder circuit c. Convenience outlet d. Jumper connection 7. In conduit installation, to make a 90 degree bend, you will use _______________ mechanical rather than an electrical function. a. Straight connector b. Condulet c. Conduit strap d. Locknut and bushing 8. What fitting is commonly used for tightening between the boxes and the RSC conduit? a. Straight Connector b. Condulet 9. The box used for typical switches c. Conduit Strap d. Locknut and Bushing a. Splice Box b. Full Box c. Square Box d. Utility Box 10. A technical term for type TW wires used in building wirings is _________________. a. Polyethylene insulated b. Moisture resistant c. PVC insulated resistant 11. A circuit breaker is an electrical protective device which _____________________. a. Protects electrical equipment from incoming spike voltage Claver NHS soars high because of YOU Address: St. Peter & JP Garcia Streets, Tayaga, Claver, Surigao del Norte Contact No.: 0998-558-8226 Email Address: 304820@deped.gov.ph d. Plastic Republic of the Philippines Department of Education CARAGA REGION - XIII SCHOOLS DIVISION OF SURIGAO DEL NORTE CLAVER NATIONAL HIGH SCHOOL b. Protects electrical equipment from current surges and overloads c. Breaks the flow when a very low voltage is encountered d. Trips off when a very low current is encountered 12. An electrician should always have his tool in good working condition, the most important reason being is a. You have to exert more effort when using defective tools b. Your job cannot be satisfactory done without good tools c. It is part of your job to keep tools in good working condition d. Defective tools can cause accidents or damage to equipment 13. What will you do if the load schedule reflects a 20AT/2.0 sq. mm. lighting branch circuit of which the circuit breaker is over rated? a. Wait for your superior and let him do the corrections b. Look for another load schedule and check for differences c. Look for the wiring layout and check groupings d. Change rating to 15AT to conform with PEC requirement 14. A live duplex wire can be de – energized quickly and safely by cutting _________________. a. Across with an electric pliers c. One – by – one with a knife b. Across using a mechanical pliers d. One – by – one using diagonal cutter 15. When measuring load current, the ammeter is connected __________________________. a. Parallel with the source c. Across terminal of the load b. In series with the load d. From one load terminal to ground 16. When measuring load resistance, the ohmmeter is connected _______________________. a. Parallel with the source c. Across terminal of the load b. In series with the load d. From one load terminal to ground 17. If a 5.5 sq.mm. TW wire inside a conduit pipe is connected with eighty (80) percent loading, what is the maximum allowable loading that it can sustain? a. 15 amperes b. 20 amperes c. 25 amperes d. 30 amperes 18. What will you do if the load schedule reflects a 20AT/2.0 sq. mm. lighting branch circuit of which the circuit breaker is over rated? a. Wait for your superior and let him do the corrections b. Look for another load schedule and check for differences c. Look for the wiring layout and check groupings d. Change rating to 15AT to conform with PEC requirement 19. What amount of current will be drawn by incandescent bulb connected to a 115 – volt circuit if its resistance is 264.5 ohms? a. 0.45 amps. b. 0.43 amps. c. 0.42 amps. d. 2.3 amps. 20. When measuring ballast resistance if it is defective or good, it is necessary that the source _______________. a. Energized b. De – energized c. Unloaded d. Loaded 21. Part of the Auxiliary System that set the motion – trigger action individually for each camera. a. Live previewing b. Recording c. Camera scheduled d. Motion detection 22. When skinning a small wire, the insulation should be “pencil down” rather than cut square to a. Prevent the braid from fraying b. Saves time in making the splice c. Allows more insulation in the splice d. Decrease danger of nicking the wire Claver NHS soars high because of YOU Address: St. Peter & JP Garcia Streets, Tayaga, Claver, Surigao del Norte Contact No.: 0998-558-8226 Email Address: 304820@deped.gov.ph Republic of the Philippines Department of Education CARAGA REGION - XIII SCHOOLS DIVISION OF SURIGAO DEL NORTE CLAVER NATIONAL HIGH SCHOOL 23. The minimum size of conduit commonly used in laying – out of auxiliary devices a. ½ “ diameter b. ¾ “ diameter 24. Which of the following is the output device? c. ½ “ PVC molding d. ¾ “ PVC molding a. Emergency Break glass c. Biometric reader and control b. Exit Button d. Magnetic Lock 25. A diagram that shows the location and actual termination of the auxiliary devices. a. Wiring diagram b. Schematic diagram 26. Which of the following is the input device c. Pictorial diagram c. Electrical lay – out a. Door Lock c. Biometric reader and controller b. Exit Button d. All of the above 27. The 24 hrs. protection for home and commercial building to monitor and access the video anytime anywhere on this device. a. Fire alarm system c. Telephone monitoring cabinet b. Building remote controller d. CCTV camera 28. The auxiliary device of CCTV that monitors the motion daily. a. Camera b. Recorder 29. Which of the following is the input device c. Monitor d. Adapter c. Door Lock c. Biometric reader and controller d. Exit Button d. All of the above 30. A part of auxiliary device that capture live events and save as video files. Power splitter b. Camera c. Monitor d. Recorder Prepared by: EDGAR II P. BARRIGA Subject Teacher Claver NHS soars high because of YOU Address: St. Peter & JP Garcia Streets, Tayaga, Claver, Surigao del Norte Contact No.: 0998-558-8226 Email Address: 304820@deped.gov.ph