Known as the minimum sound pressure level that is capable of being detected by the human ear.  

A physical separation, which may be a low inlet into the indirect waste receptor from the fixture, appliance or device indirectly connected.

Which among do not manufacture pipe in the Philippines?

Any pipe, which conveys the discharge of water closet, urinal or fixtures having similar functions, with or without the discharges from other fixtures to the building drain or building sewer.

A water supply pipe, which extends vertically to one full story or more to convey water into pipe branches or plumbing fixtures.

A valve that automatically closes to prevent the flow of liquid or gas in a reverse direction.

An assembly consisting of a pulley wheel, side plates, shaft, and bearings over which a cable or roped is passed.

XHHN in wire specification means.

This device, in escalators, is provided at the drive unit location to protect against accidental movement of the escalator during inspection of the drives or during general maintenance.

The minimum size of trap or branch for a bidet?

A term applied to the interconnection of the same fixtures in one soil or waste branch with one branch vent.

The cooling effect obtained when 1 ton of ice at 32 oF (0 oC) melts to water at the same tmeperature in 24 hrs (equivalent to 12,000 Btu/hr).

Which statement is not true?

What is the color of pipe for Oil (delivery and discharge)?

All horizontal piping shall be run in practical alignment and at a uniform grade of not less than ____% per meter toward the point of disposal.

Which is described as a sound sensation in a single frequency?

Identify the type of valve shown in the image.

In elevator, it makes the buzzer alarm when the car is overloaded and the door remains open until overloading is eliminated.

The number of cycles per unit time of a wave or oscillations expressed in hertz of cycles per second.

In elevator, it protects the equipment from over current.

A type of lamp popular for lighting commercial interiors, uses argon gas to ease starting, it produces light by means of an electric discharge in mercury vapor.

In elevator, it detects the obstacles during the door closing, and reopens the door if there is something. Photocell can be used together with this.

A high intensity discharge lamp in which the light is produced by the radiation from a mixture of a metallic vapor, similar to that of a mercury lamp in construction.

A collection line of a plumbing system is sometimes referred to as ______________.

A type of lamp which produces light by means of the reaction of halogen additive in the bulb reacts with chemically with tungsten.

In a lightning protection system, the combination of a metal rod and its brace or footing, on the upper part of a structure.

TW in electrical wire specification means?

This device, in escalators, stops the escalator automatically if an abnormal current is supplied to the motor.

Which statement is not true?

In elevator, these prevent the excessive car travel at the highest and lowest floor.

Of a partition, the number of decibels by which sound is reduced in transmission through it; a measure of the sound insulation value of the partition, the higher the number, the greater the insulation value.

In escalators, these stop the escalator if a foreign object becomes wedged at the guard.

Which is not a part of Escalator?

A single vent that ventilates multiple traps in the case of a back to back vent.

It refers to an individual who worked in the sanitary field of ancient Rome.

Vertical flow of air used to separate different functions of spaces.

Type of lighting dealing with relatively large area lighting.  

A continuous belt (chain) attached to the handrail and directly connected to the steps is known as _____.

What is the minimum distance between the handrails of escalators?

What mechanical equipment, coupled with a central air-conditioning system, is used to to dehumidify and cool the air stream injected to a conditioned space?

What is the minimum internal elevator dimensions, allowing for one wheelchair passenger alone?

Minimum height of a branch vent above the fixture it is venting.

A minimum distance of water pipings from any regulating equipment, water heater, conditioning tanks, and similar equipment requiring union fittings.

The minimum size of a standpipe for a building in which the highest outlet is 23 meters or less from the fire service connection.