Deck 39: Concrete Forms and Placing Footings

Question 1

If steel is to be used, _____ of concrete is place, the steel is laid on the concrete, and then the remainder of the concrete is placed.

A) about 4"
B) between 5" and 8"
C) approximately 2"
D) less than 3"

Answer 1

A

Question 2

All concrete trucks are supplied with a water tank and hose.

Answer 2

True

Question 3

A _____ is used for a building constructed on sloping ground.

A) stepped footing
B) graded slope footing
C) angled footing
D) trench footing

Answer 3

A

Question 4

The Chapter of measure for concrete is the cubic yard.

Question 5

The ideal temperature for curing concrete is about _____ °F.

A) 90
B) 83
C) 72
D) 60

Question 6

Footings for chimneys, columns, or piers should be larger than for an ordinary masonry wall.

Question 7

Steel reinforcement in the footing is required for most houses and small commercial buildings.

Question 8

In warm weather, concrete block should not be laid on the footing until _____ have/has passed.

A) two weeks
B) one week
C) 3 days
D) 48 hours

Question 9

The concrete footing for a chimney that will have a fireplace should be _____ the actual chimney base.

A) the same width as
B) no more than 16" wider than
C) approximately 18" wider than
D) exactly 24" wider than

Question 10

The depth of the footing should be _____ of its width.

A) one-half to three-fourths
B) one-fourth to one-half
C) one-third to one-half
D) one-third to two-thirds

Question 11

Two key factors that influence the size of a footing are _____ and the load-bearing strength of the soil on which the structure rests.

A) skills of the mason
B) availability of premixed cement
C) weight of the structure
D) number of cement workers on the crew

Question 12

_____ footings are constructed by digging out the soil and placing the concrete in the trench.

A) Stepped
B) Dugout
C) Formed
D) Trench

Question 13

Concrete work is another form of masonry work that the brick, block, and stone mason should be able to perform.

Question 14

The testing strength rating for concrete is usually based on _____ of curing time.

A) 28 days
B) three weeks
C) 72 hours
D) 24 hours

Question 15

A cubic yard of concrete will contain approximately _____ lb of gravel or crushed stone.

A) 500
B) 1800
C) 1500
D) 750