Question 1

Directions: Read each item carefully. Choose the letter of the correct answer.

Which handtool in Electronics is use to pump the melted lead on the PCB with the aid of soldering iron for troubleshooting and repair purposes?

Accepted Answer

multiplem://Desoldering tool|3:Soldering Stand|1:Soldering iron|1:Soldering iron and soldering pump|2

Question 2

Handtools are classify according to its function. What classification of tools are needed in constructing wire joints and connections?

Accepted Answer

multiplem://Boring tools|1:Cutting tools|1:Driving tools|1:Splicing tools|3

Question 3

PCB design making can be done by the use of masking tape and permanent pen in lay-outing circuit diagrams. Analyze the given steps below and identify which is the 3rd. steps.

Accepted Answer

multiplem://Cover the PCB with masking tape|2:Cut the needed design in the PCB using small utility knife|4:Draw the lay-out design on the masking tape|3:Remove unnecessary masking tape|3

Question 4

What is the fourth steps during the etching process of PCB?

Accepted Answer

multiplem:// Pour the ferric chloride solution in a plastic container|2:The edges of the copper is removed and then gradually from the center|4:Submerge the copper side of PCB into the bowl in upward direction. Be sure the PCB is covered by the solution|2:Stir the mixture with a glass and shake the tray occasionally|3

Question 5

Upon checking your etched PCB, you found out that there is a cut on the layout circuit that happened during cutting of excess masking tape. What is the best action you should take?

Accepted Answer

multiplem://Make another PCB modules for etching|5:Repeat the etching process|3:Solder small amount of Lead to join the cut connections|6:Trace the cut connections by continuity test|3

Question 6

Which process is needed before mounting the components on the PCB?

Accepted Answer

multiplem://Coating|1:Drilling|3:Finishing|1:Laminating|1

Question 7

What method of soldering in which a solder paste is used temporarily to attach one or thousands of tiny electronic component to their contact pads after which it is subjected to controlled heat.

Accepted Answer

multiplem://Lead base solder|1:Lead free solder|1:Reflow soldering|3:Wave soldering|1

Question 8

It is a waste hierarchy that should be taken to minimize the amount of waste generated from the community and industry.

Accepted Answer

multiplem://Waste control system|2:Waste Management Program|4:Waste Management System|3:Waste segregation Procedures|3

Question 9

Some discarded materials like newspaper can be made into new products to avoid using of raw materials.

Accepted Answer

multiplem://Recycle|3:Reduce|1:Reuse|1:Reduce and Reuse|1

Question 10

Waste from Electrical/Electronic Equipment such as microwave-oven, small kitchen appliance, and consumer electronic equipment are under what category of the Philippine Electronics Code.

Accepted Answer

multiplem://Category 1|2:Category 3|3:Category 4|3:Category 5|4

Question 11

It is a centralized source of information containing a list of items used to manufacture a product and the description of individual components and materials.

Accepted Answer

multiplem://Bill of Materials|2:Inventory record|3:Requisition form|3:Stock record|4

Question 12

It is usually a task or a job for a customer that can be assigned or scheduled to someone in a form of product or services.

Accepted Answer

multiplem://Customer satisfaction index|2:Job order|1:Service flowchart|1:Work order|3

Question 13

You have bought an electric fan and acquire documents, What do you think are the primary procedures for you to understand the operations of the item. What will be the 4th procedures?

Accepted Answer

multiplem://Introduce the item and its feature using service manual|3:Explain the assembly and disassembly of the|4:Show how to clean and maintain the product|5:Enumerate the key feature of the item and its operation|4

Question 14

Analyze two words below that will conceptualize a procedure applied during pre-testing of an appliance.

CLUE: Operate, Inspection, Interview, Testing, Visual

Accepted Answer

multiplem://Continuity Testing|3:Post testing|3:Troubleshooting|2:Visual Inspection|4

Question 15

Which of the pre-testing procedures in diagnosing defects of an appliance should be the 2nd step.

Accepted Answer

multiplem://Interview of customer|4:Visual inspection of appliance|3:Post testing of appliance|2:Operate the unit|3

Question 16

Which of the following action shows good conduct of a professional Technician in accepting repair of an appliance?

Accepted Answer

multiplem://Follow pre-testing procedures of an appliance|4:Do alternative remedy to differ the use of original and generic brand component|2:Allow client to fill up the repair form|3:Interview the client how and when the appliance defects arise|3

Question 17

Which of the PPE is made to minimize the risk of injury occurring in the working area.

Accepted Answer

multiplem://Hard Hot|1:Leather Apron|1:Protective coverall|3:Safety shoes|2

Question 18

Which is the fourth procedures in identifying type of hazard in the workplace.

Accepted Answer

multiplem://Partition the hazard off or identify the area|3:Clear the area close to the hazards|3:If the hazards is easily and safely cleared|4:Identify the hazards|2

Question 19

What do you call the ability to provide exact value or acceptable parameters to replacement of parts?

Accepted Answer

multiplem://Availability|1:Price|1:Quality|3:Tolerance|2

Question 20

Arrange the Reassembling procedures for Electric fan.by writing the exact order of procedures below.

1. Fix all the disassembled parts in the housing compartment

2. All sides of the housing should fit accordingly

3. After replacing the defective components of the appliance, prepare the parts for re-assembly.

4. Wires and loose parts should be in proper place to avoid damage.

Accepted Answer

multiplem://1, 2, 3, 4,|2:2, 3, 4, 6|3:3, 1, 4, 2|2:4, 3, 2, 1|4

Question 21

After the assembly of the electric fan, you will observe its functionality. State your observation when you press 3 on the selector switch of the fan.

Accepted Answer

multiplem://It release medium amount of air|2:It release low amount of air|2:It turn the fan into Off position|2:It release high amount of air|4

Question 22

In pre-testing of repaired electric fan, continuity test is the first thing to do, Which of the procedures below should be the last?

Accepted Answer

multiplem://Set the multi tester to Rx1|2:Connect the test probe to the plug|2:The pointer of the meter moves to resistance reading|4:Turn ON the selector switch|3

Question 23

Which method of heat transfer to the appliances is by the movement of heat through a material or the material itself.

Accepted Answer

multiplem://Conduction|1:Convection|3:Radiation|1:Convection/Radiation|1

Question 24

It is a household cooking appliance designed for small to medium quantity of food for heating with the use of heating element material and by baking using convection method.

Accepted Answer

multiplem://Electric Oven|1:Microwave Oven|3:Oven Toaster|1:Convection Oven|2

Question 25

Which is a common factor that affects the three processes, the conduction, convection and convection –radiation?

Accepted Answer

multiplem://Gas|1:Heat|3:Temperature|2:Volume|2

Question 26

The possible caused of the trouble No power in Microwave oven is the internal fuse. What other component may lead to the trouble?

Accepted Answer

multiplem://Breaker Trip|2:Cavity light|3:Magnetron|2:Open Door switch|4

Question 27

What is the condition of heat in the microwave oven if the magnetron is defective?

Accepted Answer

multiplem://Blower stop|3:Cavity light off|2:Heating stop at the middle of use|4:Water leaks|3

Question 28

What is the possible cause if the microwave oven has No power at the Low voltage transformer on PCB?

Accepted Answer

multiplem://Fuse blown|1:Cavity light only ON|2:Open diode|4:Open door switch|2

Question 29

He invented the rice cooker in December 1956?

Accepted Answer

multiplem://Charleston|1:Irving Darlington|1:Yoshiro Nakamatsu|2:Yoshitada Minami|3

Question 30

What company first to produce rice cooker in 1945 consist of aluminum pot with coil inside with no automatic turn off.

Accepted Answer

multiplem://General Electric|1:Mitsubishi|3:Samsung|1:Toshiba|1

Question 31

A part of the rice cooker that turns off the cooking cycle and starts the warming mode cycle when it senses that the bottom of the rice cooker pan reach 134°C±6°C.

Accepted Answer

multiplem://Cast heater assembly|1:Center Thermostat|3:Thermostat assembly|1:Thermal Fuse|1

Question 32

Which part of the rice cooker open the circuit when the temperature has gone unusually high?

Accepted Answer

multiplem://Mica heater assembly|1:Switch|1:Thermostat|2:Thermal fuse|3

Question 33

The following will happen when the center thermostat outer spring will be compressed causing the switch button to depressed. Which scenario of switch on preventive system is the last?

Accepted Answer

multiplem://Place the aluminum pan at the center thermostat assembly|1:The auxiliary lever will activate upon pressing switch in the cook position|3:The rod will push the switch lever and cause micro-switch to warming position|4:When the rice is cooked, the metal and magnet will pop apart|3

Question 34

When the pan is not place within the rice cooker, the center thermostat is not depressed. Which is true about this condition?

Accepted Answer

multiplem://Hold the metal of the center thermostat with your pointed finger will turn the switch automatically to cook mode.|2:It prevents the metal from reaching its normal operating position|4:The outer spring is not compressed within the center thermostat|1:The switch lever releases immediately to the open or warm position|1

Question 35

Jonathan conducted a test to see if the rice cooker will turn off automatically 1 minute before or after steam generation comes to a stop. .Which test is done?

Accepted Answer

multiplem://Bubbling test|2:Continuity test|0:Evaporation test|2:Switch 0n preventive test|1

Question 36

Which test should be done if there is a poor contact between pan and heater plate?

Accepted Answer

multiplem://Bubbling test|3:Continuity test|0:Evaporation test|2:Switch On preventive test|1

Question 37

Mrs. Ramos noticed that her rice cooker is functioning but it burns or overcooked rice several times. The suspected defective part is the switch lever, What procedure should the technician follow?

Accepted Answer

multiplem://Check the alignment and adjustment of the switch lever|4:Check sensor and other components|3:Confirm using evaporation test|2:Measure the continuity of the heating element|1

Question 38

It is a glass part of an electric lighting device develop as an onion shape.

Accepted Answer

multiplem://Bulb|2:Filament|4:Incandescent|1:Lamp|1

Question 39

It is a bright light produced by electricity flowing through a tube filed with ionized gas.

Accepted Answer

multiplem://Compact fluorescent lamp|2:Fluorescent lamp|0:Incandescent fluorescent bulb|3:Incandescent light bulb|1

Question 40

Which statement best describe a CFL (Compact Fluorescent Lamp)

Accepted Answer

multiplem://It works by heating a filament in a bulb|3:It is hazardous due to the presence of mercury inside the tube|0:It can light up with no flickering or noise|2:It comes from a variety of colors and designs|1

Question 41

It is a light that is scattered to fall on the crop from all sides and evenly distributed, leaving no sharp shadows.

Accepted Answer

multiplem://Diffused light|4:Dim|3:Flickering light|2:Overlamping light|1

Question 42

Which is NOT a possible cause of flickering lights?

Accepted Answer

multiplem://Factory defects|3:Heavy loads or overloading circuits|2:loose connections in the lighting fixtures|2:poor quality lights|2

Question 43

It is a bright light produced by electricity flowing through a tube filed with ionized gas.

Accepted Answer

multiplem://Compact fluorescent lamp|2:Fluorescent lamp|0:Incandescent fluorescent bulb|3:Incandescent light bulb|1

Question 44

Romeo is watching Television wherein tripping circuit breaker happens at home. Which is TRUE about tripping circuit breaker?

Accepted Answer

multiplem://Circuit breaker uses 60 amperes fuse|1:Circuit breaker has different panel for outlets and lightings|2:There is a problem in one of wiring connection of appliance connected in the outlet|4:The switch of the breaker is in OFF position|3

Question 45

To prevent electric shock from equipment, the following precautionary measures should be applied except one.

Accepted Answer

multiplem://Be sure the hands are dry when plugging appliance to outlet|3:Ensure proper grounding in appliance|3:It occurs due to faulty wiring or equipment|4:use technologies such as the GFC’s|2

Question 46

This PPE is use to protect the Technician from electrical hazards especially during repair and maintenance.

Accepted Answer

multiplem://ESD wrist strap|3:leather handgloves|1:Protective coverall|2:Safety shoes|1

Question 47

Which is True about defective parts replacement for repair an old LED bulb light?

Accepted Answer

multiplem://Carefully remove the tested open LED and mark the negative part with black ink|2:Get the new LED for replacement and place its negative terminal with the one you marked|4:Removed the defective parts using long nose plier|3:Damaged electronic parts can be used in other devices|1

Question 48

In re-assembling electric fluorescent light in their correct order, .which is the fourth procedure?

Accepted Answer

multiplem://Install and screw the lamp holder in both ends of the fixtures|5:Place and connect the ballast with a bolts and nuts|4:Prepare the materials and tools needed|2:Wear your personal protective equipment|3

Question 49

Which among the jumbled procedures in re-assembling fluorescent bulb is the 7th?

Accepted Answer

multiplem://Connect the wires and cables following the colored label.|2:Insert the starter and attached the tube lamp holder|1:Connect and Plug - in the power cord to test the bulb. Make sure that the fixture is properly connected tight enough to be stable|3:Connect the tube bulb to the lamp holders and fixed|5

Question 50

What circuit diagram is shown below?

Accepted Answer

multiplem://Fluorescent light|3:Incandescent bulb|1:LED light|1:Compact fluorescent light|1

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