Masonry & Concrete
A tool used to apply mortar for masonry is called a…
Trowel
When installing sheet flooring, which of the following is important? Where should materials not break?
Materials should never break on a joist.
A green or bare electrical wire most commonly represents the ground wire. What is the function of the ground wire?
Prevent user contact with dangerous voltage when electrical insulation fails
Limits the build-up of static electricity
Suitable eye protection must be worn when working with...
Anytime you are in the shop
How many main areas are there of agriculture construction?
Five
A tool used to smooth a concrete surface is called a…
Float
The resistance of a material is measured in…
Ohms
Electric current is measured in…
Amps
Which drawing technique shows a small part of the plan on a larger scale so that details can be seen?
Detail
What is the purpose of a plan, blueprint, or sketch?
HINT: 3 REASONS
To aid in formulating a budget
To assist in developing a material list
To serve as a guide for construction
___________ might be placed into large concrete slabs in order to decrease the risk for cracking and settling over time.
Rebar
Electrical wire is measured in __________.
Gauge
A GFCI is a device that…
Protects people when electricity is being used in damp areas
A ___________ is a tool used on a blueprint to determine the size or distance of something on paper compared to the actual distance in real life.
Scale
Blueprints contain symbols because…
They are necessary for the reader to understand parts of the blueprint
In what ratio are the three aggregates (gravel : sand : cement) of concrete typically mixed?
3:2:1
_______ is helpful for calculating amount of materials needed.
simple math calculations
A material that resists the flow of electrical current is a _________, where as a material that easily transfers electrical current is a ________.
insulator, conductor
What is a legend?
A key for symbols used in a blueprint
What are the four main drawing techniques for blueprints, sketches, and plans?
Detail, section, floor, and exterior
Johnny is pouring a slab of concrete that is 10 yards wide by 4 yards long by 6 inches thick. He is using the formula for volume to calculate how much concrete he needs. What units will his measurements most commonly be in?
cubic yards
Material lists should include…
Prices of each material
Number of units of each material
Description of each material
What is the difference between a parallel and a series circuit?
In a parallel circuit there are multiple pathways in the circuit, in a series circuit there is only one pathway
What are the three main things to consider when selecting materials?
Characteristics, quantity, and cost
Which drawing technique shows a portion of a blueprint as a cross-section so that materials and characteristics can be compared?
Section