Highway Inspcetion Nicet lvl 1

Question 1

Of the Following statements relating to the new bell and spigot pipe being laid in a trench, the one that is CORRECT is that?

Answer 1

When Building a new line using bell and spigot pipe, you start from the downstream end.

Question 2

What is Vitrified Pipe made of?

Answer 2

Clay

Question 3

The Invert of a sewer pipe is Its

Answer 3

Inner Bottom

Question 4

A cradle is usually placed under a sewer pipe when the

Answer 4

Soil is poor

Question 5

A monolithic Sewer is a

Answer 5

Reinforced concrete cast in place sewer

Question 6

The best reason for placing manholes on sewers is to?

Answer 6

Provide access for inspection and maintenance

Question 7

The sheeting for a sheeted sewer is ordered left in place after the sewer has been built and back filled, What is the best reason for ordering the sheeting left in its place?

Answer 7

This minimizes the settlement outside the sheeted area.

Question 8

The Two most frequently used types of sheeting for normal soil conditions and average depths are?

Answer 8

A soldier beams With Horizontal sheeting and vertical wood sheeting for bracing.

Question 9

A specification for a new sewer requires that the pavement NOT be restored for a period of At-least 6 Months after back fill is placed. The best reason for this requirement is?

Answer 9

Minimize the settlement of the Pavement.

Question 10

in reinforced concrete sewers, the reinforcing steel must have a minimum cover of concrete, What is the best Reason for this requirement?

Answer 10

Protect the Reinforced steel from Corrosion.

Question 11

As used in relation to sewers, Infiltration refers to the?

Answer 11

Inflow of ground water into the Sewer

Question 12

A BAD effect of infiltration in a sanitary sewer is that it?

Answer 12

Tends to overload the Sewage Treatment plant

Question 13

Manhole frames and covers are usually made of?

Answer 13

Cast Iron

Question 14

A storm Sewer GENERALLY differs from a sanitary sewer in that a storm sewer ?

Answer 14

Generally Larger in size and carries little dry-weather flow.

Question 15

The Spacing of rungs used for steps in a manhole is MOST Nearly ____ Inches?

Answer 15

12 Inches

Question 16

Steel is Galvanized by coating it with?

Answer 16

ZINC

Question 17

Well Points Would Most Likely be used in the Construction of sewer when the?

Answer 17

Water table is above the sewer.

Question 18

The Purpose of jetting the well points in sewer construct-tion is too ?

Answer 18

Set The well points in place.

Question 19

The Type of Soil in Which well points Operate Most Efficiently is

Answer 19

Sand

Question 20

The Water-Cement Ratio of a concrete mix is USUALLY expressed in terms of

Answer 20

Gallons of water per bags of cement.

Question 21

The effective Diameter of a Number 4 Reinforcing bar is Most Nearly___ Inches

Answer 21

1/2 Inch

Question 22

The Primary Purpose of Curing Freshly Poured Concrete is too

Answer 22

Prevent Evaporation of the water from the Surface.

Question 23

Of the Following, the material that may be used as the coarse
aggregate in ordinary port-land Cement is?

Answer 23

Crushed Rock

Question 24

A bag of cement Weighs MOST Nearly____ Pounds?

Answer 24

94 Pounds

Question 25

In 1:2:4 Ratio concrete mix the 2 stands for the quanity of?

Answer 25

Fine Aggregate

Question 26

The Height of the Slump cone is ?

Answer 26

12 inches

Question 27

As commonly used, 3000 pound concrete refers to 3000 pounds per ?

Answer 27

Square Inch

Question 28

The Factor has the greatest effect