right
left
The red handed snips are designed to be held in the ________ hand and cut to the ________.
left
right
The green handled aviation snips are designed to be held in the ________ hand and cut to the ________.
fold/bend
A break is used to ________
stop blood flow
Band-aids are used to ________
straight ripping
Andy's are used for cutting a ________ line.
bending flanges in the feild
The folding tool is the ideal tool for ________
dividers
The ________ would be the best tool to accurately scribe a circle of a specific diameter.
scribe/scratch
The awl would be used to ________ metal to identify the location of folds.
locking
cap
A snap lock tool could be used for ________ the ________ on a plenum.
T
Hand seamers differ from a folding tool in the width of the area worked and the variable depth possible. ( T / F )
no
On a completed system, would the duct liner be visible?
upflow
On which style of installation would a filter base be used?
sheet metal
Which duct material would stand up to the weather in an outdoor application?
be the lettering
How would tape, which has an UL 181 A approval, be identified?
duct board
Which material, used to build up rectangular duct, would be approved for use for the conveyance of air only and also is limited to indoor environment?
Transition from round (duct) to square grill
Describe the use of a boot in a HVAC application.
R6 - 1 1/2 "
R8 - 2"
R4 - false
List the possible insulation thickness and R-values found on flexible duct work.
1. outer liner/vapor barrier
2. inner liner/duct
3. insulation
Name the three components that make up flex duct and list their purpose.
protect against the entrance of rodents
Buildings or structures and the walls enclosing habitable or occupiable rooms and spaces in which persons live, sleep, or work or in which food or foodstuffs are stored... shall be constructed to ________
the equipment is being preapproved for insulation
no house to commercial
When reading an item being listed and approved what is this referring to?
yes
to insure work meets minimum standards
(twice)
When requesting a permit, is it necessary that a certified set of prints to be delivered to the building inspection authority? ________ Why? ________
Rough in inspection
Every install
Final inspection
When must a job be approved by the building inspector?
use table 308.6
How can the clearance required for protection from heat on a mechanical system be reduced to allow for installation into a smaller location?
wood products manufactured for added strength
Describe engineered wood products.
F
Guidelines for cutting a hole through an engineered wood product are typically very generic and it is possible to interchange these documents between the various brands. ( T / F )
Mechanical room
A unit located in the hallway closet is considered to be in a ________
attic
Horizontal installations are typically found in the ________
horizontal
A slab coil is used in a ________ application.
upflow
An "A" coil is usually used in an ________ application.
F
Package units are used only in commercial applications. ( T / F )
F
A package unit must be used on a rooftop application. ( T / F )
upflow
horizontal
downflow
A multi-positional unit serves as a replacement for _________, ________, and sometimes ________ units.
attic
The area found above the ceiling is commonly referred to as the ________
crawl space
The area below the floor on a pier and beam structure is generally called the ________
closet
mechanical
A room which contains mechanical equipment in a residence is commonly called a ________, but should be considered a ________ room, since its purpose is never for the storage of any other items.