Utilities 3 (CTTO)

A type of raceway specially constructed for the purpose of pulling in or the withdrawing of wires or cables after the conduit is in place

• Intermediate metal conduit (IMC)

• Rigid metal conduit (RMC)

• Surface metal raceway (SMR)

• Electrical metallic tubing (EMT)

The typical truss configuration used in the instalaltion of an escalator

• 2 section truss

• 3 section truss

• 4 section truss

• 5 section truss

Any group of two or more similar adjacent fixtures which discharge into a common horizontal waste or soil branch

• Battery of fixtures

• Multiple fixtures

• Series of fixtures

• Fixture group

The trade name for an insulated conductor with type letter THHN

• Moisture resistant thermoplastic

• Thermoplastic

• Heat resistant thermoplastic

The trade name for an insulated conductor with type letter TW

• Moisture resistant thermoplastic

• Thermoplastic

• Heat resistant thermoplastic

The abbreviation DWV stands for

• Drainage, water, and vent

• Drainage, waste, and valve

• Drainage, waste, and vent

• Drainage, water, and valve

Creep is the phenomenon whereby sound travels in a

• Straight line direction inside an anechoic chamber

• Rectangular shaped cavity

• Flat surface

• Curve surface

What is/are the advantage/s of a circuit breaker over a fuse?

• It can act as a switch.

• Its position can be easily detected.

• It can be used again after fault has been corrected.

The following characterizes centralized airconditioning system

• Uses ducts

• Has cooling tower

• Provided with air handling unit

A P-shaped rap commonly used on most plumbing fixtures except for fixture have integral trap

• Gooseneck

• Drum trap

• Bag trap

• Running trap