Refresher Architectural Boards.docx

17. Identify in illustration T-4, which letter in the target is a valley jack rafter? a) target B b) target D c) target C

d) target A

18. What is the appropriate paint material for G.I sheet roofing? a) alkyd type b) acrylic latex type

c) lacquer type d) urethane

uses an alkyd resin as the vehicle for the pigment; an alkyd resin is of a group of thermoplastic synthetic resins used in bonding materials, in adhesives, and in paints and varnishes a type of latex paint made of acrylic resins; also called acrylic latex paint. Acrylic resin is one of a group of thermoplastic resins made from esthers of acrylic acid; exceptionally tough, stable, resistant to chemicals, and transparent; used as a binder, in sheet form, as aircuring adhesive, and as the main ingredient in some caulks and sealants. any glossy enamel which dries quickly by evaporation of the volatile solvents and diluents polyurethane - an exceptionally hard and wear-resistant paint or varnish made by the reaction of polyols with a multifunctional isocyanate

19. Identify in illustration CMU-3, which figure is a Flemish

20. Identify in illustration WJ-1, which figure is a rabbet wood joint?

a) Figure 1 b) Figure 2 c) Figure 3 d) Figure 4

21. The paint finishing material of long-span pre-painted roofing sheet is: a) acrylic paint b) duco paint

c) polyester paint d) automotive paint

a type of latex paint made of acrylic resins; also called acrylic latex paint. Acrylic resin is one of a group of thermoplastic resins made from esthers of acrylic acid; exceptionally tough, stable, resistant to chemicals, and transparent; used as a binder, in sheet form, as aircuring adhesive, and as the main ingredient in some caulks and sealants.

polyester resin – one of a group of synthetic resins which undergo polymerization during curing; advantageous because high pressure is not required for curing; has excellent adhesive properties, high strength, good chemical resistance; especially used in laminating and impregnating materials

22. A common paint film defect where progressive powdering from the surface inward occurs. It is called: a) blistering b) peeling

c) chalking d) alligatoring

small blisters, bubbles or bulges in a plaster finish coat; results from applying a finish coat over too damp a base coat, or from troweling on plaster too soon; also called turtleback a defect in a paint film or plaster finish which causes the film or finish to lose its adhesion to the substrate, so that it can be removed in strips an upright post or support, esp. one of a series of vertical structural members which act as the supporting elements in a wall or partition the splitting of a film of paint in a pattern resembling an alligator skin, caused by shrinkage of a coat of paint applied over a semi-plastic or thermoplastic undercoat; also called crocodiling

23. Identify in illustration WJ-4, which figure is a blind and stub-mortise and tenon joint? a) Figure 4 b) Figure 3 c) Figure 2

d) Figure 1

1. In column, the ratio of its effective length to its least radius of gyration is called: a) Moment of Inertia b) Development length c) Slenderness ratio

of a body around an axis, the sum of the products obtained by multiplying each element of mass by the square of its distance from the axis the minimum length of straight reinforcing bar which is required to anchor it in concrete

d) Ratio and proportion of a column, the ratio of its effective length to its least radius of gyration

2.

A joint where two successive placement of concrete meet is called: a) Truss joint b) Contraction joint c) Construction joint

d) Expansion joint

not defined an expansion joint; a joint between adjacent parts of a structure which permits movement between them resulting from contraction a joint where two successive placements of concrete meet

a joint or gap between adjacent parts of a building, structure or concrete work which permits their relative movement due to temperature changes (or other conditions) without rupture or damage

3. A wall which supports vertical loads in addition to its weight without the benefit of a complete vertical load carrying space frame is called: a) Retaining wall

b) Curtain wall c) Shearing wall d) Bearing wall

a wall, either freestanding or laterally braced, that bears against an earth or other fill surface and resists lateral and other forces from the material in contact with the side of the wall, thereby preventing the mass from sliding to a lower elevation in a tall building of steel-frame construction, an exterior wall that is non-loadbearing, having no structural function a wall which in its own plane carries shear, resulting from forces such as wind, blast or earthquake a wall capable of supporting an imposed load; also called a structural wall or loadbearing wall

4. The point in the moment diagram at which the curvature reverses as it changes from concave to convex is called: a) Point of deflection b) Moment of Inertia

c) Point of Inflection d) Magnitude

of a body around an axis, the sum of the products obtained by multiplying each element of mass by the square of its distance from the axis the point on the length of a structural member subjected to flexure at which the direction of curvature changes and at which the bending moment is zero

5.

A type of concrete floor which has no beam is called:

a) Flat slab b) 2-way slab c) one-way slab d) Ribbed floor

a concrete slab which is reinforced in two or more directions, usually without beams or girders to transfer the loads to supporting members a concrete floor slab in which the main reinforcement runs in two directions a rectangular reinforced concrete slab which spans a distance very much greater in one direction than the other; under these conditions, most of the load is carried on the shorter span a floor of ribbed slab or panel; a reinforced concrete panel composed of a thin slab reinforced by a system of ribs

6. One-way concrete slab are used when:

a) The slab is being supported two parallel beams b) The slab has no cantilevered portion

c) The concrete slab is reinforced on the near bottom side d) The concrete slab is sloping to all side

by

7.

The tendency for one part of the beam to move vertically with respect to an adjacent part is called: a) Shear b) Moment

c) Force d) Strength

a deformation (e.g., in a beam or flexural member) in which parallel planes slide relative to each other so as to remain parallel the property by which a force tends to cause a body, to which it is applied, to rotate about a point or line; equal in magnitude to the product fo the force and the perpendicular distance of the point from the line of action of the force mass * acceleration of a material, the capability of the material to resist physical forces imposed on it

8.

Any material changes in shape when subjected to the action of a force is called: a) Reflection b) Deflection c) Deformation

d) Acceleration

the change of direction which a ray of light, sound or radiant heat undergoes when it strikes a surface any displacement in a body from its static position, or from an established direction or plane, as a result of forces acting on the body any change of form, shape or dimensions produced in a body by a stress or force, without breach of the continuity of its parts the rate of change of the velocity of a moving body

June 29, 1996

9.

The greatest stress to which a material is capable of developing without a permanent deformation remaining upon the complete release of stress is called: a) Allowable stress b) Moment of Inertia c) Bending Stress

d) Proportional limit

Hooke’s law a law stating that the deformation of an elastic body is proportional to the force applied, provided the stress does not exceed the elastic limit of the material in the design of structures, the maximum unit stress permitted under working loads by codes and specifications of a body around an axis, the sum of the products obtained by multiplying each element of mass by the square of its distance from the axis the greatest stress which a material is capable of sustaining without any deviation from Hooke’s law

10. The measure of the stiffness of a material is called: a) Effective length b) Proportional limit c) Stiffness ratio d) Ratio and proportion

Hooke’s law a law stating that the deformation of an elastic body is proportional to the force applied, provided the stress does not exceed the elastic limit of the material of a column, the distance between inflection points of a column when it bends the greatest stress which a material is capable of sustaining without any deviation from Hooke’s Law the ratio of the force applied to a structure (or a structural element) to the corresponding displacement

11. The deformation of a structural member as a result of loads acting on it is called: a) Strength b) Strain c) Stress

d) Deflection

of a material, the capability of the material to resist physical forces imposed on it

a change in the form or shape of a body or material which is subjected to an external force the internal forces set up at a point in an elastic material by the action of external forces; expressed in units of force per unit area, e.g., pounds per square inch or kilograms per square millimeter any displacement in a body from its static position, or from an established direction or plane, as a result of forces acting on the body

12. Timber should have nominal thickness measurement of:

a) 4 inches b) 6 inches c) 3 inches d) 5 inches

Timber - a square sawn lumber having: (USA) a minimum dimension of 5”; (Brit. ) approximately equal cross dimensions greater than 4” by 4 ½” (101.6 mm by 114.3 mm)

13. Level tool is a: a) Tool use for guiding and testing the work to a vertical and horizontal position b) A tool for checking height elevation

c) Tool use to check the water level d) The tool designated the different ranking of tool usage

14. Steel square is a: a) A small try square

b) Tool for testing and for framing work c) A steel square for use of signage

d) Tool of the steelman

15. The vertical surface on the face of a stair step is called:

a) Stair clip b) Stairhead c) Nosing d) Riser

16. Tin shear is a: a) Painter tool

b) Masonry tool c) Tinsmithry tool d) Electrical tool

Tin Shear – shear with a blunt nose; used for cutting thin sheet metal

17. Wood board should have a thickness specification of:

a) Not less than 2” thick x 5” and up wide b) Not less than 1” thick x 4” and up wide

c) Not less than 2” thick x 4” and up wide d) Not less than 3” thick x 7” and up wide

Wood Board – lumber less than 2” (5 cm) thick and between 4” (10 cm) and 12” (30 cm) in width; a board less than 4” (10 cm) wide may be classified as a strip

18. Wood plank is a piece of lumber that is:

a) 2” to 5” thick b) 6” to 8” thick c) 5” to 7” thick d) 8” up thick

Wood Plank – a long wide square sawn thick piece of timber; the specifications vary, but often the minimum width is 8” (20 cm), and the minimum thickness is 2 to 4” (5 to 10 cm) for softwood and 1” (2.5 cm) for hardwood

19. A high-speed rotary shaping hand power tool use to make smooth cutting and curving on solid wood is called: a) Surface planer b) Dado plane

c) portable hand router d) Lathe machine

Router – a machine tool having a rapidly revolving vertical spindle and cutter; used for routing, cutting mortises, etc. A chisel having a curved point; used for cleaning out grooves, mortises, etc. Planer – a tool for smoothing wood surfaces; consists of a smooth sole plate, from the underside of which projects slightly the cutting edge of an inclined blade; there is an aperture in front of the blade for the shavings to escape Lathe – a machine for shaping circular pieces of wood, metal, etc., by rotating the material about a horizontal axis while a stationary tool cuts away the excess material

20. The major horizontal supporting member of the floor system is called: a) Rafter b) Girder c) Purlin

d) Girt

one of a series of inclined structural members from the ridge of the roof down to the eaves, providing support for the covering of a roof

a large or principal beam of steel, reinforced concrete or timber; used to support concentrated loads at isolated points along its length a piece of timber laid horizontally on the principal rafters of a roof to support the common rafters on which the roof covering is laid a horizontal structural member in the framing of a timberframed house supporting the ends of the ceiling joists and acting as the main horizontal support for the floor above

22. Dressed lumber is referred to: a) Covered with plastic for shipment b) Lumber of exact measurement c) Smoothed or planed lumber

d) Lumber used for fine carpentry works

21. Wood defects are heart shake, cup shake, star shake and: a) Knots b) Discoloration c) Deterioration

d) Rotten

the hard cross-grained mass of wood formed in a trunk at the place where a branch joins the trunk any change in color from the original color or the desired color same as disintegration; the deterioration into small fragments or particles

decomposition in wood by fungi and other microorganism; reduces in strength, density and hardness brown rot – is a fungus that destroys wood cellulose, leaving a brown powdery residue behind white rot – is a type of decay in wood caused by a fungus that leaves a white residue

23. The other kind of handsaw other than rip-cut saw is:

a) Diagonal cut saw b) Cross-cut c) Circular saw d) Coping saw

13. Jack rafter is used for: a) Hip roof support

b) Cantilevered truss c) Long span beam d) None of these