Masonry Practice Test 3

1. Which of the following is a Non-Essential structure?

Hospital

School

Agriculture Facilties

Fire Station

IBC 1604.5

Explanation

IBC 1604.5

2. When sampling and testing CMU, _______ each specimen so that it may be _______ at any time.

Flag, noticed

Bag, picked up

Paint, seen

Mark, identified

C140 5.4

Explanation

C140 5.4

3. The consistency of grout may be determined by _______.

Slump

W/c ratio

Volume

Absorption

Handbook Pg 204, MSJC 2.6 B 2

Explanation

Handbook Pg 204, MSJC 2.6 B 2

4. Who shall be notified if the discrepancies are not corrected in a timely manner?

The owner

The contractor

Fabricator

Design professional and building official

IBC 1704.1.2

Explanation

IBC 1704.1.2

5. Consolidation of an 8” grout pour may be achieved by _______.

Puddling

Contact

Curing

Mixing

Handbook Pg 209

Explanation

Handbook Pg 209

6. Discrepancies shall be brought to the immediate attention of _______.

The owner

The contractor

Building official

Fabricator

IBC 1704.1.2

Explanation

IBC 1704.1.2

7. Expansion joints are intended to be used for _______.

Any change in wall length

Expansion only

Expansion and contraction

Architectural purposes

Handbook Pg 273

Explanation

Handbook Pg 273

8. A 20’ long , 4’-8” high wall is being constructed using hollow units and #5 rebar at 24” o.c. Consolidation of the grout within the wall may be achieved by _______.

#5 or larger rebar

Vibration

Puddling

Segregation

Handbook Pg 214

Explanation

Handbook Pg 214

9. A special inspector shall furnish inspection reports to _______.

The owner

The contractor

Building official/design professional

Fabricator

IBC 1704.1.2

Explanation

IBC 1704.1.2

10. Which of the following is not a recommended location for a control joint?

Roof support

Change in wall thickness

Determined intervals

Major changes in wall height

Handbook Pg 274

Explanation

Handbook Pg 274

11. Which of the following should be reported to the engineer/architect?

Discrepancies

Nonconforming items that have not been corrected in a timely manner

Size of materials

Type of materials

IBC 1704.1.2

Explanation

IBC 1704.1.2

12. Special inspections are not required for _______.

Category IV (essential) facilities

Empirically designed category I, II, or III (non-essential) facilities

Empirically design category IV (essential) facilities

Seismically designed category I, II, or III (non-essential) facilities

IBC 1704.5.1

Explanation

IBC 1704.5.1

13. Non-load bearing glass masonry units shall have a minimum expansion joint thickness of _______ on _______.

3/8”, sides

5/8”, top

3/8”, top and sides

5/8”, top and sides

IBC 2110.5

Explanation

IBC 2110.5

14. A #5 bar with a 90° turn must have an extension of ______on the free end of the bar.

9.4 bar diameters

3 ¾”

12 bar diameters

9.1 bar diameters

Handbook Pg 178 MSJC 1.13.5b

Explanation

Handbook Pg 178 MSJC 1.13.5b

15. According to IBC, the maximum amount of reinforcement for a CMU block in a wall designed by the Strength Design Method is _______% of the cell area.

4

5

7

3

Handbook Pg 158

Explanation

Handbook Pg 158

16. When transporting grout specimens to the lab, the specimens shall be kept in _______.

The upright position in a protected vehicle

A damp, protective container

A moisture controlled room

The care of the certified inspector

ASTM C1019

Explanation

ASTM C1019

17. What is the minimum coverage for #5 vertical reinforcement within a masonry retaining wall?

2”

1/4”

1-1/2”

1/2"

Handbook Pg 163 MSJC 1.13.4

Explanation

Handbook Pg 163 MSJC 1.13.4

18. After the sampling a CMU specimen for moisture content, the specimen should be_______.

Dried

Weighed

Bagged

Wetted

C140 5.5

Explanation

C140 5.5

19. The minimum thickness of a bed joint placed over a foundation is _______.

5/8”

3/4”

3/8”

1/4”

IBC 2104.1.2.1

Explanation

IBC 2104.1.2.1

20. A _______ splice of steel reinforcement may be used if_______ in Allowable Stress Design.

Welded, splice develops in tension at least 100% of the yield strength

Mechanical, splice develops at least 100% of bar yield strength

Welded, splice develops 125% of yield strength in compression

Mechanical, splice develops in tension and compression at least 125% of bar strength

Handbook Pg 173, MSJC 2.1.10.7.2

Explanation

Handbook Pg 173, MSJC 2.1.10.7.2

21. Which type of mortar may not be used in Seismic Categories D, E, and F?

N

S

F

M

Handbook Pg 232, MSJC 1.14.6.6

Explanation

Handbook Pg 232, MSJC 1.14.6.6

22. What is the purpose of weepholes in masonry construction?

To enhance structural stability

To facilitate drainage and venting

To increase thermal insulation

To support decorative finishes

Weepholes in masonry serve the crucial function of facilitating drainage and venting. They prevent the accumulation of water within the masonry wall by allowing moisture to escape, reducing the risk of damage and promoting the longevity of the structure. Additionally, weepholes assist in venting, helping to equalize air pressure and prevent potential issues like trapped moisture or condensation.

Explanation

Weepholes in masonry serve the crucial function of facilitating drainage and venting. They prevent the accumulation of water within the masonry wall by allowing moisture to escape, reducing the risk of damage and promoting the longevity of the structure. Additionally, weepholes assist in venting, helping to equalize air pressure and prevent potential issues like trapped moisture or condensation.

23. A special inspector’s report should include the following except _______.

List of unresolved items, parties notified, and time and method of notification

Description of inspections and tests made with applicable locations

Itemized changes not authorized by registered design professional

Items of nonconformance and how they were resolved

Model Program for Special Inspections Pg 16

Explanation

Model Program for Special Inspections Pg 16

24. Maximum spacing of vertical steel reinforcement for walls with stack bond masonry shall be _______ inches.

48

36

24

32

Handbook Pg 183 MSJC 1.14.6.3

Explanation

Handbook Pg 183 MSJC 1.14.6.3

25. A mortar bed joint that has ¼ inch diameter horizontal reinforcement should have a thickness of _______.

1/4”

3/4”

1/2”

3/8”

Handbook Pg 175

Explanation

Handbook Pg 175

26. Which of the following mortar proportions should be used in Seismic Design Categories D,E,F?

Handbook Pg 58, 232

Explanation

Handbook Pg 58, 232

27. When using the Unit Strength Method, what is the compressive strength of concrete masonry units with Type N mortar if the net area compressive strength of the masonry is 1,500 psi?

1,500

1,900

4,150

2,150

Handbook Pg 94

Explanation

Handbook Pg 94

28. Weepholes with ½ inch diameters should be spaced a maximum of _______ in the wall.

36"

33”

40"

48"

Weepholes must be incorporated in the exterior wythe of masonry walls, with a maximum spacing of 33 inches (838 mm) on center.

Explanation

Weepholes must be incorporated in the exterior wythe of masonry walls, with a maximum spacing of 33 inches (838 mm) on center.

29. When using the Unit Strength Method for Type M mortar, what is the net area compressive strength of the masonry if the net area compressive strength of concrete masonry units is 2,800 psi?

1,500

2,000

3,050

2,800

Handbook Pg 94

Explanation

Handbook Pg 94