BU SPECIAL QUESTIONS - AMACE

 3.5 sq. mm#12 AWG

What is the minimum size of a THWN wire (in AWG) for lighting fixtures?

15 meters

At every horizontal soil or waste branch less than ______ long

Panel board

A component of an electricity supply system that divides an electrical power feed into subsidiary circuits, while providing a protective over current device for each circuit in a common enclosure

Reverberation

It is the persistence of sound in an enclosed space resulting from repeated reflection or scattering of sound

Decibel (measure of sound intensity)

In acoustics, what Is the unit of loudness level?

Siphonage

A suction created by the flow of liquid in pipes; a pressure less than the atmospheric pressure

75 mm

What is the code-prescribed minimum drain pipe size of a water closet?

Service drop

The overhead service conductor from the pole or other aerial support to and including the splices, if any, connecting to the service entrance conductors of a building.

 Electrical metallic conduit

Metal pipe into which electrical conductors may be drawn; it has a wall section thinner than a rigid metal conduit and used for both exposed and concealed work?

Metal Clad Cable (Type MC)

A factory assembly of one or more conductors, each individually insulated and enclosed in metallic sheath of interlocking metal tape, or a smooth corrugated metallic tube.

Elevator pit

That portion of the hoistway extends below the level of the bottom landing or floor to provide for overtravel and clearance for parts which requires space below the bottom of the car travel.

Resistance and reactance

 Resistance in alternating current (ac) also known as impedance is a combination of

____ and ______.

Clean-out

 A device or appurtenance provided with a cap or plug with female design to provide access or means of removing instructions or deposits inside pipes in vertical or horizontal installations

Traveling cables

These are electronic cables connecting an elevator car to a fixed electrical outlet in the hoistway?

Reverberation

 It is the persistence of sound in an enclosed space resulting from repeated reflection or scattering of sound.

Curve surface

Creep is a phenomenon whereby sound travels along a:

Stack

A vertical line of soil, waste or vent pipe

Diffraction

The bending of the travel of sound caused by an obstacle in its path.

Warm air in compressor > condenser > warm air out

What working principles are involved in the operation of an air-conditioning system in a building?

Building Supply Pipe

In water supply system, it is the first section of water supply piping in a building after the water meter.

Longitudinal Waves

What type of wave transports energy by moving particles of the medium are moving back and forth in a leftward and rightward direction?

Fixture Units

A value derived based on the load-producing characteristics of fixtures measured in terms of volume per unit time rate

Counterweight

These are rectangular cast-iron blocks stacked in a frame and supported at opposite ends of the cables to which the car is fastened and balances the car.

Amperes

Circuit breakers are ruled in what unit?

100 Watts

As per PEC, what is the maximum load given to each lighting outlet?

2%

What is the minimum recommended slope percentage value for horizontal excrete drainage pipes having a size of less than 102 mm?

Bus

A heavy conductor, usually in the form of a solid copper or aluminum bar, strip or rod used for conducting, carrying, and distributing large electric currents

Armored Cable

 A cable consisting of two or more insulated conductors protected by a flexible metal wrapping

Shielded Cable

A cable enclosed within a metallic sheath in order to reduce the effects of external electric or magnetic fields

Building Sewer

The part of the drainage system that extends from the end of the building drain and conveys its discharge to the public sewer, private sewer, individual sewage disposal system, or other appropriate point of disposal

Copper

What kind of material is used to convey refrigerant (refrigerant line) from the condenser to the fan coil unit (PCU) of a split type air conditioning unit?

Masking

In acoustics, it is defined as the obscuring or covering up of one sound by another.

Attenuation

To reduce the level (volume, loudness, energy) of an acoustical (or electrical) signal.

Service Entrance Cable

A single conductor or multi-conductor assembly provided with or without an over-all covering, primarily used for services

Air Handling Unit

The following are four major components of a unitary or window type air conditioning unit except _______

Buffer

In an elevator, a piston or spring device which absorbs the impact of a descending elevator car in the elevator pit?

Stack vent

 A vent stack must be extended vertically upwards and terminated at the vent stack through

roof through _______.

a. Intensity of sound from source

b. material density

c. Medium

Sound Transmission Loss (STL) Is/are affected by the following:

Branch interval

A vertical length of soil or waste stack at least eight feet in height (a storey height), within which the horizontal branches from one storey or floor of the building or structure are connected to the stack

Diffraction

The phenomenon in sound propagation whereby a sound wave moves around an object whose dimensions are smaller than or about equal to the wavelength of the sound.

Parallel Circuit

In this type of circuit, the voltage across each component is the same, equal to the source voltage and the current through each component varies according to the impedance of each element loads are connected across the lines

Echo

A reflected sound reaching a listener's ear with a delay after the initial creation of sound.

When an absorbent is suspended in the trap with one end on the fixture side and the other on the drain side

Which of the following conditions will result in the loss of trap seal due to capillary action?

Compressor, condenser, expansion valve, evaporator

Which of the following arrangement of components will produce a cooling effect in a refrigerating cycle?

Moisture and heat resistant thermoplastic, nylon coated

The trade name for the type letter THWN Insulated Conductor is_________.

Waste Stack

A vertical pipe which conveys only wastewater or liquid waste free from fecal matter

Junction Box

An enclosure for housing and protecting electric wires and/or cables that are joined together in connecting or branching electric circuits

Cable tray

Unit of assembly of units or sections and associated fittings forming a rigid structural system used to support cables

Insulated Conductor

A conductor encased in a material that is recognized by the code as electrical insulation

Plunger

Used to remove contaminants from productive natural gas wells, such as water (in liquid, mist, or ice forms), sand, oil and wax.