CAMANGAHAN NATIONAL HIGH SCHOOL
GUIMBAL, ILOILO
ASSESSMENT IN TLE 9 IN drafting ELECTRICAL INSTALLATION, MAINTENCE
___________1. The kind of an electric discharge lamp in which the light is produced by the radiation. Radiation is
produced by an excitation of sodium vapor in which the partial pressure of the vapor during operation is of the order
of 104 N/m2.
a. Large lamps b. Metal halide lamps c. Mercury lamps d. High pressured sodium lamps
__________2. The kind of an electric discharge lamp in where the light is produced by the radiation. Radiation is from
an excited mixture of a metallic vapor (mercury) and the products of the dissociation of halides .
a. Large lamps b. Mercury lamps c. Metal halide lamps d. High pressured sodium
lamps
_________3. What kind of an electric discharge lamp in which the major portion of the radiation is produced by the
excitation of mercury atoms?
a. Large lamps b .Mercury lamps c. Metal halide lamps d. High pressured sodium lamps
_________ 4. What class of incandescent lamps is used in photography and projection service?
a. Large lamps b. Light Emitting Diode c. Mercury lamps d. Photographic lamps
_________ 5. What class of incandescent lamps is normally used for interior and exterior general lighting installation?
a. Large lamps b. Light Emitting Diode c. Miniature lamps d. Photographic lamps
__________6. What class of incandescent lamps is generally used in automotive, aircraft, and appliance applications?
a. Large lamps b. Light Emitting Diode c. Miniature lamps d. Automatic lamps
___________7. What is a tubular/linear bulb containing mercury vapor and inert gas with phosphor coating inside.
a. Compact fluorescent lamp b. Fluorescent tube c. Fluorescent Lamp d. Open type
fluorescent
___________8. A lighting fixture that consists of a glass tube containing mercury vapor (at a low pressure) and inert
gas (like argon and krypton), where the interior is coated with phosphor, which glows or fluoresces when exposed to
ultraviolet light. 114
a. Compact fluorescent lamp b. Circular type Fluorescent Lamp
c. Fluorescent Lamp d. Open type fluorescent Lamp
____________9. What is the PEC maximum requirement on spacing between supports if we are using 15mm to 25
mm conduit size ?
a. 600 mm b. 400 mm c.900 mm d. 1500 mm
_____________10. It is an induction coil which produces high voltage to start the lamp into operation
. a. Transformer b. Tungsten filament c. Ballast d. Starter
Test II. – Identification: Identify what is being described by the
following statements. Write on this sheet.
__________1. It is a wire that physically holds up the filament.
_____________ 2. It is the threaded base of the bulb that secures it to a lamp.
_____________3. It is a glass that insulates the bulb's fuses which is located in the stem of the bulb.
_____________4. It is the thin layer of glass that surrounds the light bulb mechanism and the inert gases.
_____________ 5. It is the metallic base of the bulb which connects to the electrical contacts of the lamp when the
bulb is in the lamp.
_____________6. It is the wire that carries electricity from the bulb's electrical contact to the filament.
_____________7. It is the metal wire that glows brightly when electricity flows through it.
_____________8. These lamps are normally used for interior and exterior general and task lightings.
_____________9. These lamps are generally used in automotive, aircraft, and appliance applications.
____________10. It is used in photography and projection services
