557 Kansas Standard Master Plumber With Gas Exam Quiz

If the bottom of a trench is excavated below the required grade for a pipe, the trench must be brought back to the proper grade by backfilling with:

Before a new gas piping system is put into service, it must be pressure tested to ensure there are no leaks. According to the IFGC, the test pressure must be at least 1.5 times the proposed maximum working pressure, but it shall never be less than:

What is the minimum required uniform slope for a 4-inch diameter horizontal drainage pipe?

In commercial assembly occupancies, urinals may be substituted for a maximum of ________ of the required water closets in men's restrooms.

To prevent catastrophic hazards in the event of a gas leak, the IFGC strictly prohibits the installation of fuel gas piping in or through which of the following locations?

To conserve water, what is the maximum allowable flow rate for a public hand-washing lavatory faucet at 60 psi?

A commercial dishwashing machine is permitted to discharge its waste into the drainage system through an:

The maximum allowable vertical drop from a fixture outlet to the trap weir is:

Where a sediment trap (drip leg) is required to protect a gas-fired appliance from debris and moisture, it must be installed:

A food preparation sink in a commercial kitchen must discharge through an indirect waste pipe. The air gap provided must be at least twice the effective opening of the indirect waste pipe, but never less than:

Standard plumbing fixtures generally require a minimum working pressure of 8 psi. However, water closets utilizing a flushometer valve require a minimum working pressure of:

Where piping passes through a foundation wall, it must be protected by a relieving arch or a pipe sleeve. The sleeve must be built so that it is at least ________ larger than the pipe passing through.

Tempered water delivered from public hand-washing facilities (public lavatories) must be limited to a maximum temperature of:

When performing a water test on a rough plumbing drainage and vent system, the water must be kept in the system for at least 15 minutes, and applied with a minimum of a ________ head of water.

When a dry vent connects to a horizontal drain, the vent must rise vertically to a minimum of ________ above the flood level rim of the highest fixture being served before it can travel horizontally.

A cleanout is required for each change in direction of the horizontal building drainage system that is greater than:

Underground water service piping and building sewer piping must generally be separated by undisturbed or compacted earth. What is the minimum required horizontal separation distance?

For a 2-inch diameter trap arm (fixture drain) installed at a standard 1/4-inch per foot slope, what is the maximum allowable developed length from the trap weir to the vent fitting?

When installing a Reduced Pressure Zone (RPZ) backflow preventer assembly, it must be installed with a minimum clearance of ________ above the floor or finished grade to ensure the relief valve can discharge freely.

A circuit vent is a single vent that serves multiple fixtures installed on a horizontal branch drain. What is the maximum number of fixtures a single circuit vent can serve?