REPUBLIC OF THE PHILIPPINES
DEPARTMENT OF EDUCATION
REGION III-CENTRAL LUZON
SCHOOLS DIVISION OF TARLAC PROVINCE
ANAO NATIONAL HIGH SCHOOL
SECOND QUARTER PRELIMINARY EXAMINATION
CONSUMER ELECTRONICS SERVICING 8
Name:____________________________________ Score:__________________
Year & Section:____________________________ Date:___________________
First Quarter Final Examination
TLE 8 (Flexibility) - Consumer Electronics Servicing
TEST I: Choose the letter of the best answer.
_____1. The branch of science and technology that deals with the control flow of electrons?
( a. Electronics b. Electricity c. Electrolysis d. Electro-magnetic )
_____2. An instrument that measures the amount of resistance in a given component or circuit?
( a. Ammeter b. Voltmeter c. Ohmmeter d. Volt generator )
_____3. An instrument that measures the amount of Electro-Motive Force ( EMF )?
( a. Ammeter b. Voltmeter c. Ohmmeter d. Volt generator )
_____4. PCB stands for? ( a. Personal Circuit Board b. Printed Current Board
c. Protective Circuit Board d. Printed Circuit Board )
_____5. A device for applying heat to melt solder in attaching two metal parts?
( a. Soldering Iron b. Soldering Technique c. De-soldering Pump d. All of the above )
_____6. These are tools used for splicing, holding, and cutting electrical wires or conductors?
( a. Pliers b. Screwdriver c. Wire stripper d. Utility knife )
_____7. Hand tools used for driving cross-head screws?
( a. Standard or slotted screwdriver b. Stubby screwdriver c. Phillips screwdriver d. Allen screwdriver )
_____8. A tool used to remove or stripped off the insulation of wires or conductors.
( a. Side-cutting pliers b. Wire stripper c. Utility knife or cutter d. Long-nose pliers)
_____9. An electrical tool used to bore holes in plastic, metals, or concrete walls.
( a. Electric drill b. Drill press c. Metal files d. All of the above )
____10. This tool is used for cutting metals. Some have pistol grips which keeps the tool firm and easy to grip.
( a. Cross cutting saw b. Hack saw c. Chain saw d. Coping saw )
_____16. Which equipment does NOT belong to the group?
( a. Screw driver b. Long nose pliers c. Diagonal cutter d. Side cutting )
_____17. What is the reason why threads become stripped?
( a. Screws are over tighten b. Screws are heated c. Screws are molded d. Screws are painted )
_____18. What is the required operating temperature (in centigrade) of a soldering iron needed to melt a soldering lead?
( a. 200 b. 300 c. 400 d. 500 )
_____19. What is the cheapest conductor used for house wiring installation?
( a. Copper b. Silver c. Gold d. Aluminum )
_____20. Which is NOT part of the group?
( a. Soldering iron b. Wire stripper c. Soldering tool stand d. Desoldering tool)
_____21. Which component resists the flow of current in an electrical circuit?
( a. Capacitor b. Inductor c. Resistor d. Transistor )
_____22. What kind of component is a resistor? ( a. Combined b. Discrete c. Integrated d. Hybrid )
_____23. What value of a resistor having the body color Blue-Violet-Orange- Red
( a. 67 Ohms ±2% b. 670 Ohms ±2% c. 6700 Ohms ±2% d. 67000 Ohms ±2% )
_____24. What is the color of the tolerance representing ± 10%
( a. Gold b. Black c. Orange d. Silver )
_____25. What is the value of a resistor with the following colors: Red - Blue - Brown- Gold-?
( a. 2.63 Ohms ±5% b. 2630 Ohms ±5% c. 260 Ohms ±5% d. 26.3 Ohms ±5% )
_____26. What is the color of the 4-band resistor with 3560 ohms value and the tolerance is ±5%
( a. Orange-Green-Yellow-Gold b. Orange-Yellow-Red-Gold
c. Orange- Red- Green -Gold d. Orange-Green-Red-Gold )
_____27. What is the color of the tolerance representing ±5%?
( a. Gold b. Black c. Orange d. Silver )
_____28. 6 in the second band of the resistor color coding means. ( a. Violet b. Green c. Blue d. Gray )
_____29. Which component is a discrete type? ( a. Power IC b. Regulator IC c. Resistor d. Digital IC )
_____30. What is the item in the color coding scheme that allows the color-coded value to deviate to a certain extent?
( a. Multiplier b. Body color c. Limitation d. Tolerance )
_____31. What is the basic unit of current? (a. ohms b. volts c. amperes d. diode )
_____32. What is the maximum deviation of a 200 ohms + 10% tolerance?
( a. 230 ohms b. 220 ohms c. 180 ohms d. 210 ohms )
_____33. What is the minimum deviation of - 10% tolerance of the 790 ohms resistor
( a. 721 ohms b. 711 ohms c. 869 ohms d. 859 ohms)
_____34. What is the minimum resistance of a 160 ohms resistor with 5% tolerance?
( a. 168 ohms b. 164 ohms c. 152 ohms d. 165 ohms)
_____35. In a six band color resistance, what represents the sixth band?
( a. Multiplier b. Body color c. Temperature Coefficient d. Tolerance
_____36. An illustration of an electrical and electronic circuit with the components represented by symbols
(a. Block diagram b. Pictorial diagram c. Schematic diagram d. Wiring diagram )
_____37. This includes symbols for electronic and electrical design that can be traced using a drawing pencil.
( a. Electronic templates b. Schematic diagram c. Block diagram d. Wiring diagram )
_____38. An insulating board containing conductive tracks for circuit connections.
( a. Printed Circuit Board b. Printed Connection Board c. Electronic Template d. Panel Board )
_____39. A device in the current path that melts or breaks when current protective exceeds a predetermined maximum
Value (a. Diode b. Fuse c. Circuit Breaker d. capacitor )
_____40. A systematic approach to locate the cause of a fault of an electronic circuit or system.
(a. Transformer b. Fault wiring c. Trouble shooting d. Short circuit Testing )
TEST II: Complete the table below
Colors Color coded value Tolerance Minimum value Maximum value
Red-blue-brown-gold
Yellow-red-red-silver
Brown-black-brown
Blue-red-yellow-red
White-blue-black-gold
Gray-black-brown
White-red-blue-brown
Brown-black-black-gold
Yellow-blue-red-red
Prepared by:
John Leo G. Claus
Subject Teacher
Noted:
Gemma L. Melegrito, Ed.D.
Sec. Sch. Principal II