Safety
What could happen if concrete comes in contact with your skin
Concrete burns
what are two types of basic concrete forms
Steel and wooden
How many types of portland cement are there
5
What type of pavement is concrete
Rigid
What does CMA stand for
Controlled Movement Area
how can you mitigate exposure to silica dust
When does concrete stop curing
It doesnt, it's always curing.
the 1, 2, 3 rule for concrete is a mix ratio consisting of
1 part cement, 2 parts sand, 3 parts aggregate
What type of Pavement is Asphalt?
Flexible
True or false: Airfield Operations grants permission to cross the runway.
False: The Control Tower
what results in Improper lifting techniques when handling heavy concrete materials can result in strains, sprains, and head injuries
Musculoskeletal injuries
can you pour a sidewalk without forms?
No, that makes zero sense.
the most widely used cement type used for pavements, sidewalks, buildings, bridges, and masonry units
Type 1 (Normal portland cement)
The area where planes are parked on the airfield
Parking Apron
What color are the runway markings and runway hold lines?
White runway markings and Yellow runway hold lines
a dangerous situation where a body part can be caught between two moving objects, or between a moving and a stationary object, potentially causing serious injury.
Pinch point
Can concrete be poured without water
no
what is the equation for ordering concrete for a rectangular pad including your 5% extra
LxWxD ÷ 27 x 1.05
concrete must be a minimum of __ inches thick to restist breakage
4
what does the red flashing light gun signal mean?
Clear active runway
CONCRETE BURNS, ALSO KNOWN AS CEMENT BURNS, ARE CHEMICAL BURNS CAUSED BY THE ____________ NATURE OF WET CONCRETE OR CEMENT COMING INTO CONTACT WITH SKIN.
Alkaline
how is concrete tested for quality criteria once it is delivered to the site?
Slump Test
Type 4 (low heat portland cement)
The minimum thickness of a street or other traffic bearing concrete surface is __ inches
6
what base is home to the largest fighter wing in the USAF?
Luke AFB, the 56th Fighter Wing.