UTA2 Plumbing P&E

Question 1

You can make changes to the schedule within how many days after arrival on the job site?

Answer 1

45

Question 2

When placing a water pipe in the same trench as a sewer pipe, how many inches must the vertical separation be?

Answer 2

12”

Question 3

The building drain in a sanitary system must be at least how many inches?

Answer 3

3

4 for plumbing code

Question 4

Which type of vent or stack receives waste water that contains fecal matter?

Answer 4

Soil stack

Question 5

An offset in a vertical stack with a change in direction of how many degrees from the vertical pipe may be sized as a straight vertical stack?

Answer 5

45

Question 6

The minimum pipe size for a lavatory is how many inches?

Answer 6

1-1/4

Question 7

A one percent slope means that there is a one foot of drop in 100 feet of pipe, or how many inches per foot?

Answer 7

1/8

Question 8

One method for sizing a building storm drain is one inch of pipe per how many square feet of roof area?

Answer 8

100

Question 9

Which of the following metals corrodes the fastest?
A. Gold
B. Iron
C. Platinum
D. Silver

Answer 9

B. Iron

Question 10

A biological corrosion is another type of corrosion caused due to what?

Answer 10

Bacteria

Question 11

This type of corrosion occurs in copper and zinc alloys.

Answer 11

Dezincification

Question 12

What is the most common type of protective coating used in corrosion control?

Answer 12

Asphalt

Question 13

When utilizing the sacrificial anode system on a long pipeline, what is the minimum distance between anodes?

Answer 13

40 feet

50 feet max

Question 14

The impressed current system is designed to protect what type of system pipelines?

Answer 14

Water supply