Review Test Flashcards

1
Q

Commercial blueprints specifications are called what

A

Divisions

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2
Q

When a project is always the same layout. What’s the blueprint called

A

Blanket

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3
Q

What’s the most common Hvac equipment used in commercial

A

Packaged roof top unit

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4
Q

What need to be checked before cutting area for RTU

A

Make sure it’s safe to open the area. Nothing in the way below

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5
Q

All duct work must comply to what

A

Smacna standards

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6
Q

Fire dampers
Balancing dampers
Duct insulation
Will be identified on what in a blue print

A

Call-out

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7
Q

Before making changes what must be done to blueprint

A

Confirmed with engineers

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8
Q

What size hole needs reinforcement

A

6 inch

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9
Q

Trapeze hangers are used for what projects

A

Commercial to hand ducts

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10
Q

Hanger straps are made of what

A

16 gauge at 1’ wide

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11
Q

Tear drop hangers are also called

A

Sling hanger

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12
Q

Hanger supports for 10 ft spiral

A

7-8 ft

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13
Q

Dotted lines on rectangle ducts are used to show what

A

Insulation

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14
Q

How should balancing dampers be installed

A

Ideally downstream of the branch takeoff
And accessible

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15
Q

Primary component in hrv

A

Heat exchanger core

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16
Q

Hrv is designed to operate how

A

Balanced stat

17
Q

How dose ERV and HRV differ

A

ERV removes vapour
HRV transfers heat

18
Q

Ground source heat is also known as

A

Earths energy

19
Q

What type of energy is produced

A

Solar energy

20
Q

Active solar home uses what

A

Mechanical equipment

21
Q

Energy efficiency test is done how

A

Blower door test

22
Q

Insulation effectiveness is rated

A

R value

23
Q

Type of roof

A

Parapet Edge of the roof has a small build

24
Q

Type of roof

A

Mansard roof