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MST - Structural P2

Total questions: 105

Worksheet time: 53mins

Name
Class
Date
1.

What is the hard, pointed or rounded foot of a pile or caisson used to pierce the underlying soil, also known as a driver shoe?

a)

Mandrel

b)

Shoe

c)

Anvil

d)

Head pile

2.

What equipment is commonly used for driving piles into the ground?

a)

Rotary drill

b)

Pile hammer

c)

Auger

d)

None of the above

3.

What material is poured into the hole after drilling for bored piles?

a)

Steel

b)

Concrete

c)

Sand

d)

Water

4.

What is the most common material used for piles?

a)

Concrete

b)

Wood

c)

Epoxy polymer

d)

Steel

5.

What structural element transfers the loads from the structure to the piles?

a)

Pile cap

b)

Column

c)

Footing

d)

None of the above

6.

What is the name of the iron block that is raised and dropped freely to drive a pile into the ground?

a)

Drive pipe

b)

Drop hammer

c)

Drop panels

d)

Driving cap

7.

Where can you typically find the details for foundation anchor bolts?

a)

Foundation plan

b)

Base plate plan

c)

Framing plan

d)

None of the above

8.

What usually happens to a footing when it begins to deform?

a)

Bends upward

b)

Cracks at the bottom

c)

Twists

d)

None of the above

9.

What can happen when a column rests on a footing that is not reinforced with rebars?

a)

The footing will crack at an angle

b)

The column will punch through the footing

c)

There will be noticeable settlement

d)

None of the above

10.

What type of aggregate has a dry, loose weight of 1,120 kg/m³ or less?

a)

Lightweight aggregate

b)

Dry weight aggregate

c)

Heavyweight aggregate

d)

Substandard aggregate

11.

What component connects the column base plate to the foundation, securing it against uplift or shear?

a)

Tie beam

b)

Anchor bolt

c)

Pile cap

d)

Grout pad

12.

What is the purpose of rebar (reinforcement) in a concrete footing?

a)

Increases permeability

b)

Prevents punching shear

c)

Reduces the weight of concrete

d)

Speeds up curing

13.

What is another term for a mat foundation?

a)

Tied

b)

Spread

c)

Pad

d)

Raft

14.

What type of footing is used when the load-bearing capacity of soil is very low?

a)

Isolated footing

b)

Strip footing

c)

Mat or raft foundation

d)

Combined footing

15.

What is the main function of reinforcement in a concrete structure?

a)

To increase the concrete volume

b)

To resist tensile stresses

c)

To reduce concrete shrinkage

d)

To improve finishing

16.

What is the foundation used when two columns are close together and individual footings would overlap?

a)

Strap footing

b)

Mat footing

c)

Combined footing

d)

Slab-on-grade

17.

A foundation used in yielding soil, with its footing designed as a raft placed deep enough that the weight of the excavated soil equals or exceeds the weight of the building.

a)

Floating foundation

b)

Shallow foundation

c)

Deep foundation

d)

Pile foundation

18.

This is a system of end-bearing or friction piles, pile caps, and tie beams used to transfer building loads down to a suitable bearing stratum.

a)

Isolated foundation

b)

Sheet piles

c)

Pile foundation

d)

Wooden piles

19.

What is the general term for sheets and piles placed against the earth in swampy or unstable areas?

a)

Strip footing

b)

Earth piles

c)

Sheet piles

d)

None of the above

20.

What do you call a pile driven at an angle to resist lateral loads and uplift forces?

a)

Straight pile

b)

End-bearing pile

c)

Friction pile

d)

Battered pile

21.

What is the minimum size of aggregates used as bedding material?

a)

25 mm

b)

40 mm

c)

50 mm

d)

100 mm

22.

When the soil is weak, which type of foundation is suitable for distributing the heavy load of a building?

a)

Pile Foundation

b)

Combined Foundation

c)

Mat Foundation

d)

Tie Beam Foundation

23.

Which type of soil among the options has the weakest bearing capacity?

a)

Gravel and Sand

b)

Medium Clays

c)

Organic Silt and Clays

d)

Peat

24.

What do you call a foundation consisting of two or more column footings connected by a beam?

a)

Strap Footing

b)

Tie Beam

c)

Combined Footing

d)

Spread Footing

25.

According to the Building Code, what is the minimum thickness of a footing?

a)

300 mm

b)

250 mm

c)

350 mm

d)

200 mm

26.

For Group A dwellings, what is the minimum depth of a footing as required by the Building Code?

a)

400 mm

b)

500 mm

c)

600 mm

d)

300 mm

27.

What is the minimum size of reinforcing bars used for columns?

a)

10 mm diameter

b)

12 mm diameter

c)

16 mm diameter

d)

20 mm diameter

28.

What is the minimum size of reinforcing bars used for ties?

a)

10 mm diameter

b)

12 mm diameter

c)

16 mm diameter

d)

20 mm diameter

29.

What should be the minimum column size at the ground floor for a span of 8 meters?

a)

0.50 m x 0.50 m

b)

0.70 m x 0.70 m

c)

1.20 m x 1.20 m

d)

1.60 m x 1.60 m

30.

Based on standard structural design guidelines, what is the minimum recommended size for a reinforced concrete column to ensure stability and adequate load-bearing capacity?

a)

150 mm x 250 mm

b)

200 mm x 200 mm

c)

200 mm x 300 mm

d)

250 mm x 400 mm

31.

What do you call a column that is not aligned with the columns on the lower level?

a)

False column

b)

Short column

c)

Planted column

d)

Under-reinforced column

32.

What is the maximum axial load that can theoretically be applied to a column without causing buckling?

a)

Critical buckling stress

b)

Critical buckling load

c)

Buckling

d)

Eccentricity

33.

What does the slenderness ratio of a column primarily determine?

a)

Effective length

b)

Buckling

c)

Effective depth

d)

Maximum column height

34.

What is a column filled with poured concrete commonly called?

a)

Tied

b)

Spiral

c)

Lally

d)

Long column

35.

What do you call a column that raises or supports a structure above ground level?

a)

Pier

b)

Stilts

c)

Posts

d)

Piles

36.

What type of wood column consists of a single piece of wood with a square or rectangular cross-section?

a)

Tapered column

b)

Glued-laminated column

c)

Built-up column

d)

Solid wood column

37.

What do you call a thick column that tends to fail by crushing rather than buckling?

a)

Long column

b)

Composite column

c)

Short column

d)

All of the above

38.

What is the phenomenon called when a perfectly straight column under compression assumes a deflected shape?

a)

Buckling

b)

Creep

c)

Elongation

d)

None of the above

39.

Ties are typically used in which structural element?

a)

Beams

b)

Columns

c)

Slabs

d)

Footings

40.

What type of force tends to shorten a structural member?

a)

Tension

b)

Compression

c)

Bending

d)

Torsion

41.

What typically happens to a short column under load?

a)

Elongates

b)

Buckles

c)

Deforms

d)

Deflects

42.

Which type of column is most likely to fail due to buckling?

a)

Short column

b)

Long column

c)

Pedestal

d)

None of the above

43.

Which type of column commonly fails due to buckling?

a)

Intermediate column

b)

Short column

c)

Long column

d)

Pedestal

44.

Which type of column commonly fails due to crushing?

a)

Intermediate column

b)

Short column

c)

Long column

d)

Pedestal

45.

What is a long column primarily designed to resist?

a)

Buckling

b)

Crushing

c)

Elongation

d)

Hardness

46.

Which is considered the most efficient column shape for structural performance?

a)

Square

b)

Rectangular

c)

Triangular

d)

None of the above

47.

What is the main purpose of a post base in column construction?

a)

To anchor the column to a slab-on-grade

b)

To prevent corrosion of the steel

c)

To reinforce the footing size

d)

To transmit the load from the column to the footing

48.

Which type of reinforcement is commonly used to resist lateral forces in a reinforced concrete column?

a)

Main bars

b)

Lateral ties

c)

Dowels

d)

Stirrups

49.

What is the typical function of a column in a structural system?

a)

To resist horizontal movement

b)

To distribute lateral forces to beams

c)

To transfer axial loads from slabs and beams to the foundation

d)

To serve as architectural support only

50.

What is the purpose of providing cover to reinforcement bars in a concrete column?

a)

For aesthetics

b)

To reduce construction cost

c)

To protect steel from corrosion and fire

d)

To add weight to the column

51.

What is the maximum usable strain at the extreme concrete compression fiber?

a)

0.001

b)

0.002

c)

0.003

d)

0.004

52.

What is the required maximum finished dimension of wooden supports for a one-storey house having a total maximum height of 5.50 m and spacing of post at 3.60 m as per national building code?

a)

0.15 x 0.15 m

b)

0.20 x 0.20 m

c)

0.25 x 0.25 m

d)

0.125 x 0.125 m

53.

What is the load reduction factor for reinforced concrete in bearing?

a)
0.90
b)

0.75

c)

0.85

d)

0.70

54.

What is the minimum number of longitudinal bars required in a spiral column according to ACI?

a)

6

b)

8

c)

4

d)

10

55.

What is the minimum clear spacing between reinforcing bars in a concrete beam?

a)

30 mm

b)

25 mm

c)

20 mm

d)

10 mm

56.

What do you call a projecting beam that is fixed at one end while the other end has no support?

a)

Single Supported

b)

Cantilever

c)

Overhanging

d)

Continuous

57.

Why are inverted beams used?

a)

To minimize surface cracking in the beam

b)

For architectural aesthetics

c)

To provide added strength in cantilevered roofs

d)

To allow for headroom clearance

58.

What do you call a beam, located either below or above ground, used to connect two structural members and prevent them from spreading apart?

a)

Lally Beam

b)

Plinth Girder

c)

Connection Beam

d)

Tie Beam

59.

What is a beam that spans horizontally over a door opening called?

a)

Door Header

b)

Lintel Beam

c)

Door Beam

d)

Header Beam

60.

What type of column features a continuous helical bar wrapped around it?

a)

Spiral

b)

Helical

c)

Tied

d)

RC

61.

Which of the following is a composite slab?

a)

Figure C

b)

Figure B

c)

Figure A

d)

Figure D

62.

Which of the following is a post-tensioned slab?

a)

Figure D

b)

Figure C

c)

Figure B

d)

Figure E

63.

Which of the following is a precast slab?

a)

Figure A

b)

Figure C

c)

Figure D

d)

Figure E

64.

Which of the following is a one-way ribbed slab?

a)

Figure A

b)

Figure E

c)

Figure B

d)

Figure C

65.

Which of the following represents a one-way slab and beam system?

a)

Figure A

b)

Figure E

c)

Figure B

d)

Figure C

66.

Identify item A, which distributes loads and provides compressive strength. (Refer to Figure 13-B)

a)

Profiled steel sheeting

b)

Shear connectors

c)

Concrete slab

d)

Steel beam top flange

67.

Identify item B, which serves as a permanent formwork and contributes to slab strength.

a)

Profiled steel sheeting

b)

Shear connectors

c)

Concrete slab

d)

Steel beam top flange

68.

Identify item C, which acts as the main support for the composite deck.

a)

Steel reinforcement

b)

Shear connectors

c)

Concrete slab

d)

Steel beam top flange

69.

Identify item D, which locks the concrete slab and beam together to resist shear forces.

a)

Steel reinforcement

b)

Shear connectors

c)

Concrete slab

d)

Steel beam top flange

70.

Identify item E, which provides tensile strength at the top layer of the slab. (Refer to Figure 13-B)

a)

Steel reinforcement

b)

Shear connectors

c)

Concrete slab

d)

Steel beam top flange

71.

What type of slab system is shown in Figure A?

a)

Waffle Slab

b)

Voided Slab

c)

Modular Pan Slab

d)

Ribbed Slab

72.

What type of slab is shown in Figure B?

a)

One-Way Slab and Beam

b)

Two-Way Slab and Beam

c)

Two-Way Flat Plate

d)

One-Way Flat Plate

73.

What type of slab is shown in Figure C?

a)

Flat Plate Slab

b)

Two-Way Slab

c)

One-Way Slab

d)

One-Way Flat Slab

74.

What type of slab does Figure D refer to?

a)

One-Way, One-Support Slab

b)

Two-Way Slab

c)

One-Way Slab

d)

Cantilevered Slab

75.

Where is the device in Figure E typically used?

a)

Tension Membrane Structure

b)

Post-Tensioned Structure

c)

Precast Structure

d)

Bridge Cabling Structure

76.

What is the area in square meters of a trapezoidal concrete pavement with parallel sides measuring 15 meters and 10 meters, and a perpendicular depth of 8 meters?

a)

120

b)

80

c)

140

d)

100

77.

What is the volume in cubic meters (m³) of a trapezoidal concrete pavement with parallel sides measuring 15 m and 10 m, a depth of 8 m, and a thickness of 4 inches?

a)

8

b)

10

c)

12

d)

14

78.

How many 43 kg bags of cement are required for the pavement using a Class C concrete mix?

a)

44

b)

55

c)

66

d)

77

79.

How many cubic meters (m³) of sand are required for the pavement using a Class C concrete mix?

a)

4

b)

5

c)

6

d)

7

80.

How many cubic meters (m³) of gravel are required for the pavement using a Class C concrete mix?

a)

7

b)

9

c)

11

d)

13

81.

What is the standard concrete mix ratio used for slabs and beams?

a)

1:1½:3

b)

1:2:4

c)

1:2½:5

d)

1:3:6

82.

What is the typical compressive strength of the concrete mix used for slabs and beams?

a)

2500 psi

b)

3000 psi

c)

3500 psi

d)

4000 psi

83.

What is the maximum allowable slump for concrete used in beams and slabs (in millimeters)?

a)

50 mm

b)

75 mm

c)

100 mm

d)

150 mm

84.

What is the minimum concrete cover required for a slab on fill?

a)

20 mm

b)

25 mm

c)

50 mm

d)

75 mm

85.

What is the minimum thickness of a one-way slab, if deflection is not computed and the slab is simply supported?

a)

L/10

b)

L/20

c)

L/24

d)

L/28

86.

What is the part of a beam that is thickened or deepened to develop greater moment resistance? The efficiency of a beam can be increased by shaping its length in response to moment and shear values, which typically vary along its longitudinal axis.

a)

Effective length

b)

Fixed-end beam

c)

Haunch

d)

Clear span

87.

When a beam is within its elastic limit, which of the following is most likely to happen?

a)

The beam will continue to deform under a slight load

b)

The beam will continue to deform even without load

c)

The beam will eventually break over time

d)

The beam will return to its original shape

88.

What type of deformation is typically observed in a beam under load?

a)

Deformation

b)

Deflection

c)

Elongation

d)

Compression

89.

If pouring of ready-mixed concrete for a beam cannot be completed in one setting, where should it be stopped?

a)

At the center

b)

Anywhere

c)

At shear points

d)

None of the above

90.

Aside from resisting load, what is another primary purpose of stirrups in a beam?

a)

To resist shrinkage

b)

To hold longitudinal bars in place

c)

To resist flexure

d)

None of the above

91.

What do you call the beam located above doors and windows?

a)

Header beam

b)

Tie beam

c)

Girder beam

d)

Lintel beam

92.

What type of the beam is also known as a perimeter beam?

a)

Girder

b)

Plinth

c)

Spandrel

d)

Girt

93.

What structural element is used to support floors?

a)

Joists

b)

Struts

c)

Rafters

d)

Purlins

94.

What structural element is used to support small beams?

a)

Columns

b)

Girders

c)

Posts

d)

Joists

95.

What is an additional structural element placed to support structures above?

a)

Column

b)

Grade beam

c)

Tie beam

d)

Corbel

96.

What is the net resultant of shear forces that acts vertically upward on the left side of the structure being considered?

a)

Positive shear

b)

Negative shear

c)

Positive moment

d)

Negative moment

97.

What is the net resultant of shear forces that acts vertically downward on the left side of the structure being considered?

a)

Positive shear

b)

Negative shear

c)

Positive moment

d)

Negative moment

98.

What is the tendency of a force to produce rotation in a body about a point or axis, equal in magnitude to the product of the force and the moment arm, acting in either a clockwise or counterclockwise direction?

a)

Moment center

b)

Moment arm

c)

Positive moment

d)

Moment

99.

What is the sum of the moments on either side of a beam's cross-section called?

a)

Resisting moment

b)

External moment

c)

Bending moment

d)

Reaction

100.

What is the slight upward curvature built into a beam to compensate for deflection under load?

a)

Camber

b)

Deflection

c)

Inflation

d)

Inflection

101.

What is the most likely reason a slab-on-fill develops cracks?

a)

Improper soil compaction

b)

Failure of the concrete mix

c)

Lack of reinforcing bars

d)

None of the above

102.

Where are the main reinforcement bars located in a cantilevered slab?

a)

Top

b)

Middle

c)

Bottom

d)

Anywhere

103.

What is the ideal location of support for a one-way slab?

a)

End of the slab

b)

Middle third

c)

Top of the slab

d)

None of the above

104.

If pouring a ready-mixed concrete slab cannot be completed in one setting, where should the pour be stopped?

a)

At the center

b)

At the middle third of the slab

c)

At shear points

d)

None of the above

105.

When pouring concrete for beams and slabs, which should be poured first with a one-day interval? a. CREDITED CPD PROVIDER CREDITATION NO. OCE-2022-062 c. STC

a)

Beam first

b)

Slab first

c)

It doesn't matter which is poured first

d)

Both must be poured at the same time

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