Video Quiz Questions Flashcards Preview

Construction > Video Quiz Questions > Flashcards

Flashcards in Video Quiz Questions Deck (33)
Loading flashcards...
1
Q

What are batter boards?

A

Boards that remark foundation corners after excavation. The corner stake is raised and strings are nailed between boards. They intersect at the foundation corners.

2
Q

Before you begin excavating, check local ______ regulating drainage. They might affect the kind of foundation you can use.

A

Zoning codes

3
Q

When excavating, why should you dig a hole that is 2 feet wider than the foundation wall?

A

To leave area to work so drainage and dampproofing can be installed.

4
Q

A foundation plan show the layout and dimensions of what?

A

All footings

5
Q

The _______ on the plan indicates the elevation highpoint of the site or excavation area.

A

Benchmark

6
Q

The first step in locating the house on your site is __________ of the house as it will sit on the property.

A

constructing a layout

7
Q

The first step in staking the building is what?

A

Locating the boundaries of the property

8
Q

The baseline is usually the _____ wall of the house.

A

front

9
Q

Lise and describe the three types of foundations.

A

Basement - cool climates, enough space for storage or living
Crawlspace - allows for some space between flooring and foundation.
Slab on grade - placed directly on soil

10
Q

What is the purpose of a footing?

A

To spread out weight of the building and insure a good foundation shape. They support the foundation wall.

11
Q

What is the frost line and how does it affect footing placement?

A

Footings must be placed below the frost line, where the ground freezes.

12
Q

Concrete is a mixture of what four main ingredients as well as various other materials used to adjust the quality and appearance?

A

Portland cement, sand, gravel, and water.

13
Q

What is a common footing width used to support the weight of a relatively lightweight ordinary house set on typical soil?

A

16 to 20 inches

14
Q

Concrete is ordered by the _____.

A

Cubic yard

15
Q

How many cubic yards is a slab of concrete that measure 100 ft x 100 ft x 6 inches?

A

186 cyds

16
Q

The load-bearing value of soil indicates what?

A

The pounds per square foot it can support.

17
Q

What’s a form board?

A

A wooden form built along snap lines that stretch between the batter boards.

18
Q

What are pilasters?

A

Thicker portions of the foundation wall that provide extra strength for the walls.

19
Q

What is rebar?

A

Metal rods that are often set in the walls to help strengthen them and keep them from cracking later.

20
Q

What is “screed”?

A

The process of making poured concrete level.

21
Q

Framing is often called ______, as it is out of sight when the house is completed.

A

Rough work

22
Q

Which construction crew actually executes the rough-in process?

A

Specialty subcontractors and framing crew

23
Q

What if considered part of the rough-in stage?

A

Installation of the plumbing pipes.

24
Q

Which area of a home has the lowest tolerance for error when framing?

A

Bathroom

25
Q

What is a wet wall? Where are they found?

A

A wet wall is a framed partition that provides room for the vent stack, plumbing supply, and drain lines. They’re between the bathroom and kitchen or utility room.

26
Q

What is cement?

A

A powdered ingredient that provides the glue that binds the aggregates together in a mass called concrete.

27
Q

How long does it take concrete to set or harden?

A

Two to twelve hours after mixing but it continues to gain strength for months or even years if it is properly cured during the first few days.

28
Q

What is concrete slump?

A

A measure of its consistency

29
Q

What’s a typical slump range for most applications?

A

3 to 5 inches. The stiffer the mixture, the lower the slump value.

30
Q

What’s the minimum strength of durable concrete?

A

3500 to 4000 psi

31
Q

How much does one cubic yard of concrete weight?

A

4000 lbs.

32
Q

What are the seven steps in a slump test?

A
  1. Dampen inside of cone and place it on a smooth, moist, non-absorbent, level surface, making sure its held down tightly.
  2. Fill cone 1/3 by volume and rod 25 times with 5/8 x 24 inch steel rod.
  3. Fill cone 2/3. Rod 25 times, but not through first layer.
  4. Fill cone to overflowing. Rod 25 times with rod but not through second layer.
  5. Remove excess concrete from the top of the cone. Clean overflow from base.
  6. Immediately lift cone vertically with slow, even motion over 5-10 seconds.
  7. Lay a straight edge across the top of the slump cone. Measure the amount of slump from the bottom of the straight edge to the top of the slumped concrete.
33
Q

What ratios make up concrete?

A

1x cement, 2x sand, 3x gravel. Add water slowly til workable.