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Free Journey Level Plumber Exam Questions That Helps Candidates Pass

Question # 71

Grease interceptors for commercial kitchens must be:

Options:

A.

Optional based on owner preference

B.

Required and sized according to flow rate with regular maintenance access

C.

Located only at the building sewer

D.

Unvented

Question # 72

A reduced pressure principle backflow preventer (RP) is required for:

Options:

A.

Low hazard only

B.

High hazard applications such as boilers or chemical feeders

C.

Irrigation only

D.

All residential services

Question # 73

The minimum burial depth for building sewer piping is generally:

Options:

A.

6 inches

B.

12 inches below grade or per local frost line

C.

36 inches only

D.

No minimum

Question # 74

Vent pipes shall not be used for:

Options:

A.

Air circulation

B.

Drainage or waste conveyance

C.

Termination

D.

Supports

Question # 75

The minimum slope for horizontal drainage piping 3 inches and larger is:

Options:

A.

1/16 inch per foot

B.

1/8 inch per foot

C.

1/4 inch per foot

D.

1/2 inch per foot

Viewing page 15 out of 18 pages

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Journey Level Plumber Overview

Name Journey Level Plumber
Code Journey Level Plumber
Vendor Skilled Trades
Certification NITC

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