Summative No. 1 3rd Quarter

What is a device used to protect against over-current and short circuit conditions that may result in potential fire hazards and explosion?

• a. relay

• b. contactor

• c. circuit breaker or fuse

• d. GFCI

Answer explanation

Circuit breaker and Fuse are used to protect home and devices against overloading and short circuit.

It is a contacting device installed at an outlet for external connection by means of a plug and flexible cord.

• a. receptacle

• b. outlet

• c. receptacle connector

• d. Installing protector

What specific term refers to the essentials in indicating the parts of an electrical circuits?

• a. electrical symbols

• b. signs

• c. switch

• d. relay

What type of tool you will use when you cut and strip a wire?

• a. screwdriver

• b. hammer

• c. plier

• d. tester

Which of the following is used to measure longer distances and available from one meter to 5 meters long?

• a. zigzag rule

• b. pull push tape

• c. slide caliper rule

• d. marking gauge

What does this mean?

• a. circuit breaker

• b. fuse box

• c. mirror

• d. meter socket

Which of the following is considered as an extension of human hand thereby increasing speed, power and accuracy?

• a. pneumatic tools

• b.  huge equipment

• c. hand tools

• d. inputs

Which one make a hole for the installation?

• a. shovel

• b. trowel

• c. angle grinder

• d. drill