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M5: Intro to Concrete, Reinforcing & Forms_68102

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

Green concrete is so named because of its _____.

a)

use

b)

color

c)

incomplete curing

d)

moldability

2.

A skin irritation that can be caused by exposure to cement is called _____.

a)

lime abrasion

b)

pozzolanic reaction

c)

cement dermatitis

d)

cement aggravation

3.

A type of concrete that can be placed without the use of a form is _____ concrete.

a)

mass

b)

roller-compacted

c)

preplaced

d)

heavyweight

4.

To prevent concrete from freezing before it cures in cold weather, _____ can be used.

a)

expanded plastic cell slabs

b)

curing compounds

c)

flowing water

d)

plastic sheeting

5.

Steel bars that are bonded within concrete to increase its strength are sometimes called _____.

a)

WWF

b)

rerods

c)

pretension steel

d)

ties

6.

A type of footing commonly used to support poured concrete or concrete block walls is a _____.

a)

continuous footing

b)

stepped continuous footing

c)

pier

d)

grade beam

7.

A type of footing used to support posts, columns, and similar structures is a _____.

a)

continuous footing

b)

stepped continuous footing

c)

grade beam

d)

pier

8.

In the figure above, the letter A is pointing to _____.

a)

a stake

b)

a spreader

c)

a brace

d)

sheathing

9.

In the figure above, the letter B is pointing to _____.

a)

keyway straps

b)

spreaders

c)

braces

d)

rebar

10.

The form part shown by the arrow in the figure above is _____.

a)

a joint

b)

a scab

c)

a brace

d)

sheathing

11.

The purpose of form sheathing is to _____.

a)

form the slab perimeter

b)

maintain the spacing

c)

strengthen joints

d)

provide primary support

12.

When removing forms for floors and similar types of slabs, the forms should be removed _____.

a)

after 1 or 2 days

b)

when directed by a structural engineer

c)

when the concrete can support the weight of an average person

d)

after 7 to 14 days

13.

The horizontal brace used to hold a form in place is known as a _____.

a)

waler

b)

strongback

c)

bulkhead

d)

batten

14.

A sheet material specifically made for use as form sheathing is known as _____.

a)

tempered hardboard

b)

particle board

c)

sheetrock

d)

plyform

15.

An upright member used to stiffen a form is a _____.

a)

cleat

b)

scab

c)

strongback

d)

pilaster