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Red Seal Exam > Blueprint > Flashcards

Blueprint Flashcards

1
Q

What type of estimating for large jobs usually begins 3 to 4 years in advance of the actual start of the project?

A

Rough Order of Magnitude (ROM) estimating

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2
Q

What must be completed after the ROM estimate is entered?

A

Risk assessment factors

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3
Q

What are 2 basic techniques for putting an estimate together?

A

Top down estimate & bottom up estimate

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4
Q

When pricing out a job, what are 2 categories of pricing?

A

Preliminary Estimates & detailed estimates

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5
Q

What are 3 requirements to include in a detailed estimate?

A

A task list, material take-off, & pricing sheets for each task item plus labour

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6
Q

Is it common practice to submit an un-priced copy of your bid proposal and your proposal letter to the general contractor 3 to 4 days before the bid closing date?

A

Yes

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7
Q

What is the most reliable or best type of estimate?

A

Detailed estimate

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8
Q

When you are calculating a job and you wish to make a 10 percent profit, do you add 10 percent to the selling price?

A

No

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9
Q

What does a title block contain?

A

Scale, project address, & sheet identification number

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10
Q

What would the sheet identification number A-6 on the bottom right of a blueprint mean?

A

The 6th page of architectural drawings

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11
Q

What height are floor plans in a kitchen drawn at?

A

4 feet

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12
Q

Information on the furnace location would be found on what part of a blueprint?

A

The foundation plan

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13
Q

If there is a discrepancy between the blueprint and what is on the specifications which one should you go by?

A

The specifications

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14
Q

What is the key to an accurate material list?

A

Organization

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15
Q

What are 2 things that must be completed before you can create a material list?

A

Heat loss calculation & duct design

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16
Q

What are 5 ways that air can be conditioned?

A

Heating, cooling, filtering, humidifying, & de-humidifying

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17
Q

How often should round supply duct be supported?

A

Every 5 inches

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18
Q

What are 2 reasons for using a return air rail?

A

Provides backing for return air grilles & ensures that the dry wallers cut out the hole

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19
Q

What type of vent do low & mid efficient furnaces use to remove the products of combustion?

A

B-vents

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20
Q

What type of vent do high efficient furnaces use to remove the products of combustion?

A

Special plastic venting

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21
Q

Why must an insulated duct be specified for the entire length of a fresh air duct?

A

Because condensation will form on the duct otherwise

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22
Q

What is the most efficient type of duct?

A

Round

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23
Q

What is the combustion air termination used for?

A

To keep cold air from dropping into the furnace room

24
Q

Installations requiring you to run forced air heating under concrete slab are known as what?

A

Underslab heating

25
Q

What is combustion air?

A

The air that furnaces require to fuel the fire inside of them

26
Q

An entire underslab ducting system must slop what way back to the furnace?

A

It must slope back to the furnace

27
Q

When a return air branch run is finished on the bottom with a dry wall ceiling, what is the bottom of the branch run finished with?

A

Light gauge metal

28
Q

What is the uncontrolled leakage of air from a building called?

A

Exfiltration

29
Q

What type of ductwork should be coming off the plenum for underground heating installations?

A

Round

30
Q

What is the heart of a HVAC system?

A

The air re-circulation fan

31
Q

What should the ratio between the width and the depth of duct never exceed?

A

4:1

32
Q

Dynamic losses on flexible duct are how many times as great per foot as in smooth duct?

A

10 times greater

33
Q

What piece of equipment is used to change fuel into heat energy?

A

A furnace

34
Q

Where are perimeter loop systems mostly found?

A

In underslab heating situations

35
Q

What is the most common distribution system that is used today?

A

An extended plenum system

36
Q

What is the heating value of natural gas?

A

1000 Btu/ft3

37
Q

What is the heating value of propane?

A

2500 Btu/ft3

38
Q

What is the burner of choice for high rates of combustion in an oil furnace?

A

Atomizing burner

39
Q

What is the minimum efficiency of a gas furnace allowed to be manufactured and sold in Canada?

A

78 percent

40
Q

What are high efficiency gas furnaces also known as?

A

Condensing furnaces

41
Q

What are 3 types of gas fire places?

A

Free standing, zero clearance, and insert fireplace

42
Q

The safety of workers and job sites is governed by which code?

A

OH&S

43
Q

The installation of gas appliances & piping is governed by which code?

A

B149.1-05 CAN/CSA

44
Q

Which agency conducts tests and certifies products used by consumers?

A

CSA & ULC

45
Q

Which agency conducts tests & writes standards specifically for the HVAC industry?

A

SMACNA

46
Q

Which agency conducts tests & writes standards related to fire protection?

A

NFPA

47
Q

What is the stage of the job called where the penetrations to the exterior are installed?

A

The rough-in stage

48
Q

What is the stage of the job called where the furnace is placed in a permanent position?

A

The ductwork stage

49
Q

What is the stage of the job called where the thermostat is mounted permanently?

A

The final stage

50
Q

Underslab heating systems grade which way from the furnace?

A

Towards the furnace

51
Q

Whose responsibility is it to ensure the job is done properly and to the applicable code?

A

The installer

52
Q

B-vent requires how much clearance to combustible materials?

A

1 inch

53
Q

A single wall vent connector on a wood burning application requires how much clearance to combustibles?

A

18 inches

54
Q

How much clearance do you need between an exhaust hood and the regulator vent on a natural gas or propane line coming into a building?

A

3 feet

55
Q

How much clearance do you need between a mechanical fresh air intake hood and the regulator vent on a natural gas or propane line coming into a building?

A

10 feet

56
Q

What is the distance required between a fresh air connection to the furnace and the furnance fan inlet if the air is not connected through an approved mixing device?

A

10 feet

Red Seal Exam (1 decks)

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