Preview

Periodical Examination in Tle

Powerful Essays
Open Document
Open Document
757 Words
Grammar
Grammar
Plagiarism
Plagiarism
Writing
Writing
Score
Score
Periodical Examination in Tle
Lipa City National High School
Fourth Periodical Examination
S.Y. 2012-2013

TEST I.
TRUE or FALSE.
Directions: Write the word True if the statement is correct and False if the statement is wrong.

_____________1. Lighting fixtures and accessories are common components in homes, schools, offices, business establishments and on the streets.
_____________2. The main purpose of lighting fixtures is to hold and energize the lamp.
_____________3. A lamp holder is not considered as an electric lamp socket.
_____________4. Reflector or shield can help increase lumination.
_____________5. BT-56 is one example of mercury lamp.
_____________6. The metal Halide Lamp is not applicable for indoor use.
_____________7. The ballast which is one of the parts of a fluorescent lamp can be a noise maker.
_____________8. Modern technology paves the way for more manufacturing capabilities of automotive producer.
_____________9. It is safe to use the screw driver as a tool for electric circuit.
_____________10. Good quality tools are not the first priority of a skilful automechanic.

TEST II.
Multiple Choice.
Directions: Choose the correct answer from each of the following items. Encircle the letter of your choice.

1. The mercury lamp produces light by an electric arc between two electrodes in an ________. a. ionized mercury vapor c. vapor discharge lamp b. ionized sodium vapor d. metal halide lamp

2. Lamp holders have wiring strips for ________. a. Mercury lamps c. Fluorescent lamp b. Incandescent lamp d. All of the above

3. A device whose primary purpose is for reflection and increases lumination. a. Lamp holder c. Diffuser b. Reflector d. Lock-up screw

4. The instant-start lamp was developed in ________. a. 1937 c. 1952 b. 1944 d. 1990

5. The vapour-discharge lamp is generally classified as: a. Hot-filament c. Cold-cathode types b. Low-voltage type d. All

You May Also Find These Documents Helpful