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Question 0

gutter

Answer 0

A trough at the edge of a roof used to carry off rainwater.

Question 1

lintel

Answer 1

A structural member placed over an opening and supporting construction above.

Question 2

astragal

Answer 2

A vertical element attached to one of a pair of doors or windows to cover the joint between the meeting stiles in order to exclude weather, light, and noise.

Question 3

surfaced lumber

Answer 3

Lumber that has been surfaced by a planing machine. If all four sides are surfaced (S4S), the net dimensions of the piece are about 1/2” less than the nominal dimensions. Also called dressed lumber.

Question 4

isolation joint

Answer 4

A joint that separates a slab on grade from columns or walls, so that each can move independently.

Question 5

lightweight concrete

Answer 5

Low density concrete, usually made with lightweight aggregate.

Question 6

ashlar

Answer 6

A building stone that has been shaped and smoothed into a rectangle form for use in masonry construction.

Question 7

groundwater level

Answer 7

The level below which the subsoil is completely saturated with water. Also called the water table.

Question 8

drip

Answer 8

A groove under an overhanging edge of a cornice, molding, or other building element, which is designed to discharge rainwater away from the structure.

Question 9

wrought iron

Answer 9

Almost pure iron with a very low carbon content. It is soft but strong, ductile, easily worked, and relatively resistant to corrosion.

Question 10

combustible

Answer 10

Capable of burning.

Question 11

elevator interlock

Answer 11

A safety device provided on each door at an elevator landing that prevents movement of the elevator unless the door is locked. It also prevents a lobby door from opening when the elevator is elsewhere.

Question 12

insulating glass

Answer 12

Two sheets of glass with an air space between, to insulate against the passage of heat or sound. Also called double glazing.

Question 13

wood

Answer 13

The hard fibrous substance lying beneath the pith and bark of trees.

Question 14

glazing

Answer 14

The work of installing glass in a frame.

Question 15

valley

Answer 15

The interior trough formed by the intersection of two sloping roof surfaces.

Question 16

sealant

Answer 16

Material used to prevent the passage of liquid across a joint or opening.

Question 17

high-carbon steel

Answer 17

Steel having a carbon content over 0.5%. In general, increased carbon content increases strength and hardness, but decreases ductility.

Question 18

grading

Answer 18

Removing and/or adding earth in order to bring the ground surface to a specified elevation or profile. Also called earthwork.

Question 19

bulletproof glass

Answer 19

Glass which has 4 or more layers of glass laminated to 3 or more layers of plastic, used where strong impacts may occur.

Question 20

asphalt saturated felt

Answer 20

A roofing material applied in several layers to create a built-up composition roof.

Question 21

built-up roofing

Answer 21

Roofing made up of plies of saturated roofing felts alternated with layers of pitch or hot asphalt cement and surfaced with gravel or a cap sheet.

Question 22

weep hole

Answer 22

A small hole near the bottom of a retaining wall, usually backfilled with gravel, to allow water to drain to the outside of the wall and thus avoid hydrostatic pressure against the wall.

Question 23

plunger

Answer 23

The driving device of a hydraulic elevator, which is powered by liquid under pressure within a cylinder. Also referred to as a ram.

Question 24

hydraulic elevator

Answer 24

An elevator operated by fluid pressure from below, which raises or lowers the elevator car.

Question 25

sill

Answer 25

The lower horizontal member, extending between jambs, which forms the bottom of a window or other frame.

Question 26

cut and fill

Answer 26

Earth that is removed (cut) and earth that is added (fill) in grading.

Question 27

baluster

Answer 27

A vertical support for a handrail.

Question 28

malleability

Answer 28

The ease with which a metal can be shaped by hammering or by machine.

Question 29

bullnose

Answer 29

A rounded exposed edge, such as a tile or wood trim piece.

Question 30

cold joint

Answer 30

A joint formed when a concrete surface hardens before the next batch of concrete is placed against it.

Question 31

hoistway

Answer 31

A vertical shaft that accommodates one or more elevators, conveyors, or dumbwaiters.

Question 32

construction joint

Answer 32

The joint between two successive concrete pours. Construction joints are usually located where the shear is minimum, such as at a midspan of beams.

Question 33

green

Answer 33

Lumber that has not been seasoned and whose moisture content is close to that of the living tree.

Question 34

hardness

Answer 34

A metal's resistance to abrasion and penetration.

Question 35

softwood

Answer 35

The wood of various coniferous (cone-bearing) evergreen trees, such as cedars, pines, and firs.

Question 36

earthwork

Answer 36

Removing and/or adding earth in order to bring the ground surface to a specified elevation or profile. Also called grading.

Question 37

soil

Answer 37

A natural material, formed of decomposed and disintegrated parent rock, that can support plant life.

Question 38

excavation

Answer 38

The digging or removal of earth.

Question 39

grade

Answer 39

The designation of the quality of a manufactured piece of wood.

Question 40

reinforcing steel

Answer 40

Round steel bars with surface deformations that are placed in the forms prior to casting of concrete, and that primarily resist tension.

Question 41

galvanic action

Answer 41

The deteriorating reaction between dissimilar metals that are in contact in the presence of moisture. Also called electrolysis.

Question 42

weather stripping

Answer 42

Stripping applied to exterior doors or windows to make them weathertight.

Question 43

grade SW (severe weather)

Answer 43

The grade of brick used where high resistance to freezing and thawing is required.

Question 44

cylinder test

Answer 44

A test to determine the compressive strength of concrete by subjecting a standard cylinder of hardened concrete to compression in a testing machine.

Question 45

cavity wall

Answer 45

A wall built of two or more wythes of masonry units with a continuous air space within the wall. The wythes must be tied together with noncorrosive metal ties.

Question 46

dry pipe sprinkler

Answer 46

A sprinkler system whose pipes are normally pressurized with only air, thus being invulnerable to freezing temperatures. Upon actuation, the air is vented and supply pressure forces water through the system.

Question 47

solid core door

Answer 47

A door that has a core of solid wood or other solid material.

Question 48

overhead door

Answer 48

A door that slides upward, rolls up, folds up in panels, or rides up and pivots inward.