a buzzling/clicking sound comprised of repeated echoes traversing back and forth between two reflective surfaces

transmission coefficient is 0.001, what is the sound pressure level?

more than 20,000 hertz is called?

for a conference room, which will you apply for the best sound diffusion?

shape of a room where there are two focus points. the sound projected from one focus point, in any direction, will travel to the other focus point.

shape of a room with one focus point

which among the choices given is the best way to prevent sound transition?

which will you use for a library?

which is best for concert hall?

which will you use for a conference room?

best for music studio

which does not affect the transmission of sound from one room to another?

considering acoustics, what type of partition will you use between an office and music room if the office manager wants to see what's happening inside the music room?

which one is the least effective in preventing sound from transmitting to the other side of the room?

which will absorb heat faster?

what is the best sound insulation to be used for a house fronting a busy highway?

which offers confidential privacy?

which offers transitional / transmittal privacy

which of the following flooring material would you recommend for a music room?

at day, artificial lighting comes from the skylight above, making the beams and columns produce different plays of light. how do you achieve this at night?

lighting provided by adjustable spotlights mounted along a narrow, ceiling or wall mounted metal track though which current is conducted

when a CFL fits into a light fixture designed for an incandescent bulb, it is?

average life span of 50,000 hours

which among the following does not belong?

a rectangular light fixture that fits into a dropped ceiling is usually designed to accomodate?

a light used to illuminate the subject or an object from the back

type of lighting that contains mercury. it is actually a gas-discharge lamp that uses electricity to excite mercury vapor inside a tube. the mercury atoms produced short wave ultraviolet light that in turn causes the phosphor coating in the tube to produce visible light

using pin light to illuminate a toilet, which is the most applicable from the given choices?

which is not a commercial wattage for flourescent?

provides uniform light on a wide area

a lighting element usually installed at the lavatory area which is also considered a wall mounted

where do you usually use T5 flourescent?

which type is used for reading?

a type of light fixture wherein the protective housing is concealed behind a ceiling or wall, leaving only the fixture itself exposed

a type of light fixture suspended from the ceiling with a chain or pipe

what lighting should you use for a task area?

the standard power voltage does meralco provide>

what is the minimum size of wire to be used for service drop?

how many wires comes out from the transformer (elec. company)

only the electrical utility company is allowed to disable this

what is the standard color of a ground wire

what is not part of a lightning arrester?

FACP

a source of electricity, it is also the longest river (350km) and largest river in the philippines

in plumbing, a valve is used to regulate the flow of water, what is its counterpart in electrial?

this is used and located at the back of the convenience

a metal box with a blank cover that is installed in an accessible place in a run of conduit to facilitate the pulling of wires or cables

min. size of wire for a 60 amp circuit breaker

where should you install a tankless point of use water heater