SET B

Most of the required electrical parameters apply to an incandescent bulb are

• Related power and rated voltage

• Related resistance and rated current.

• Rated current and rated voltage.

• Rated power and rated current.

When tightening a terminal screw connection, the end of the wire should pass around the screw in the same direction as the screw is turned so that.

• The wire will act as a locknut.

• Any pull on the wire will tighten the screw.

• The wire will not turn off.

• The screw can be removed more easily.

A part providing an appropriate degree protection of equipment against contains external influences and defined degree of protection against contacts with live parts any direction.

• Cabinet

• Enclosure

• Panel board

• Switch gear.

Locknut, bushing and connectors are called electrical ______.

• Conduit

• Fittings

• Expander

• Tighteners

Why is it necessary to use torque wrench in tightening bolted joints of copper bus bars inside bus ducts and bus ways?

• To prevent heating of joints

• To reduce the resistance in the joint

• To make sure the joints are well tightened.

• To give the boll allowance for thermal expansion

What is the commonly used in conduit in Service Entrance?

• PVC

• EMT

• RSC/IMC

• Flex Conduit

What is the types of tilting commonly used for exposed conduit support

• Conduit strap/Clamp

• Condulet

• Connector

• Lock nut and bushing.

When raceways are exposed to widely different temperatures it should be _____.

• Sealed

• Bonded

• Grounded

• Isolated

Before adding to or altering an installation, you must ensure that _____.

• You are well familiar with the existing installation.

• Such work will not impair any part of existing installation.

• Safety precautions are followed.

• All of the above.

What will you do if the load schedule reflects a 20AT/2.0 sq.mm Lighting Branch Circuit of which circuit breaker is overrated?

• Wait for your superior and let him do the corrections.

• Look for another load schedule and check for differences.

• Look for the writing layout and check groupings.

• Change rating to 15AT to conform with PEC requirement.