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WorksheetsM5: Intro to Concrete, Reinforcing & Forms_68102
Total questions: 15
Worksheet time: 8mins
Green concrete is so named because of its _____.
use
color
incomplete curing
moldability
A skin irritation that can be caused by exposure to cement is called _____.
lime abrasion
pozzolanic reaction
cement dermatitis
cement aggravation
A type of concrete that can be placed without the use of a form is _____ concrete.
mass
roller-compacted
preplaced
heavyweight
To prevent concrete from freezing before it cures in cold weather, _____ can be used.
expanded plastic cell slabs
curing compounds
flowing water
plastic sheeting
Steel bars that are bonded within concrete to increase its strength are sometimes called _____.
WWF
rerods
pretension steel
ties
A type of footing commonly used to support poured concrete or concrete block walls is a _____.
continuous footing
stepped continuous footing
pier
grade beam
A type of footing used to support posts, columns, and similar structures is a _____.
continuous footing
stepped continuous footing
grade beam
pier
In the figure above, the letter A is pointing to _____.
a stake
a spreader
a brace
sheathing
In the figure above, the letter B is pointing to _____.
keyway straps
spreaders
braces
rebar
The form part shown by the arrow in the figure above is _____.
a joint
a scab
a brace
sheathing
The purpose of form sheathing is to _____.
form the slab perimeter
maintain the spacing
strengthen joints
provide primary support
When removing forms for floors and similar types of slabs, the forms should be removed _____.
after 1 or 2 days
when directed by a structural engineer
when the concrete can support the weight of an average person
after 7 to 14 days
The horizontal brace used to hold a form in place is known as a _____.
waler
strongback
bulkhead
batten
A sheet material specifically made for use as form sheathing is known as _____.
tempered hardboard
particle board
sheetrock
plyform
An upright member used to stiffen a form is a _____.
cleat
scab
strongback
pilaster
