Deck 1: Plans and Sitework

Question 1

When can rigid metal conduit be installed directly in the soil for underground raceways?

Answer 1

Rigid metal conduit can be installed directly in the soil if:
-ferrous conduits (iron or steel) do not rely solely on enamel for corrosion protection;
-the conduit is made of a material judged suitable for the condition; and
-the conduit is not placed in an excavation that contains large rocks, paving materials, cinders, large or sharply angular substances, or corrosive material.

Question 2

The drainage hole at the base of a telephone pole is known as a hole.

A) weep
B) seep
C) trickle
D) dry

Answer 2

A

Question 3

Although are more expensive to install, they provide many advantages that direct burial installations do not.

A) telephone poles
B) contoured paths
C) pole caps
D) underground raceways

Answer 3

D

Question 4

If the electrical system to be installed operates at a potential higher than volts, the nonmetallic conduit must be encased in not less than 2 in. (50mm) of concrete.

A) 300
B) 400
C) 500
D) 600

Question 5

A is where a product has been designed to SI metric dimensions.

A) soft metric measurement
B) soft metric conversion
C) hard metric measurement
D) hard metric conversion

Question 6

The standard format symbol for a(n) consists of two unshaded concentric circles.

A) fire hydrant
B) gas main
C) existing tree to remain
D) water main

Question 7

In the SI system, what is the prefix corresponding to ten times the base unit?

A) deka
B) hecto
C) kilo
D) mega

Question 8

The metric system is a "base­10" or " " system in that values can be easily multiplied or divided by 10 or powers of 10.

A) binary
B) quaternary
C) decimal
D) hexadecimal

Question 9

The , as given on the site plan, is the reference point from which all elevations are located.

A) bench mark
B) contour line
C) building location
D) light standard

Question 10

are given on the site plan to indicate the existing and the new grading levels.

A) Bench marks
B) Contour lines
C) Building locations
D) Light standards

Question 11

The United States is the last major country in the world not using the system as the primary system of measurement.

A) English
B) metric
C) French
D) inch-pound

Question 12

Outlet boxes and device boxes use their nominal measurement as their size.

A) bench
B) knockout
C) designated
D) trade

Question 13

Discuss the role of the building location on the site plan.

Question 14

Telephone service is provided by conduit that runs from the telephone pole. The conduit runs underground at a minimum depth of inches.

A) 5
B) 6
C) 13
D) 18

Question 15

What precautions should be taken if direct burial cable is used?

Question 16

Discuss grounding as it relates to lighting standards.

Question 17

Underground raceways terminate in underground .

A) manholes
B) caps
C) conduits
D) chambers

Question 18

How many times larger is a megawatt than a kilowatt?

A) 100
B) 1000
C) 10,000
D) 100,000

Question 19

A(n) indicates the level of the lower edge of the inside of a conduit entering a manhole.

A) site plan scale
B) manhole range
C) invert elevation
D) heavy mark line

Question 20

What is the difference between the US and SI systems for writing numbers with many digits?