WorksheetsM2 Module 7 Test
Total questions: 30
Worksheet time: 30mins
Materials specifications and testing procedures are published by the _____.
a. International Specifications Agency
b. American Materials Testing Association
c. International Organization for Standardization
d. American Society for Testing and Materials
Procedures for verifying that work meets the standards specified in the contract are called _____.
a. quality benchmarks
b. qualify checkpoints
c. quality control tasks
d. quality assurance tests
Building brick suitable only for interior work without weather exposure is classified as Grade _____.
a. SW
b. NW
c. IW
d.MW
The loadbearing requirement for concrete masonry units, as specified in ASTM C90, is _____.
a. 900 psi
b. 600 psi
c. 1,400 psi
d. 1,900 psi
Specifications that name and incorporate established industry quality and performance standards for
products and processes are called _____.
a. reference standard specifications
b. performance specifications
c. proprietary specifications
d. descriptive specifications
Under ASTM C1314, the compressive strength of masonry can be verified by unit strength or by a _____.
a. hydraulic pressure test
b. prism test
c. slump test
d. destructive sample test
Masonry units used in the mock-up should be _____.
a. checked and approved by a supervisor
b. carefully selected for appearance
c. randomly selected from different cubes
d. chosen from one cube
The mock-up built before the masonry work on a project begins is a _____.
a. prism
b. sample panel
c. demonstration unit
d. contract compliance example
After being built, a prism should not be disturbed for _____.
a. 28 days
b. 48 hours
c. 24 hours
d. seven days
After being built, masonry prisms are tested at 3, 7, and _____.
a. 36 days
b. 12 days
c. 28 days
d. 19 days
Unless otherwise specified, a masonry prism should be laid up in a(n) _____.
a. running bond
b. English bond
c. stack bond
d. common bond
Rectangular grout prisms typically have a height of _____.
a. 5 inches
b. 7 inches
c. 6 inches
d. 8 inches
An impact test measures bond strength by dropping a 60-pound _____.
a. sandbag
b. block of concrete
c. steel ball
d. lead weight
A prism's resistance to being twisted apart is measured by a _____.
a. tensile test
b. flexural test
c. bond wrench test
d. compression test
The flexural strength of mortar is its ability to withstand _____.
a. impact
b. stretching
c. bending forces
d. twisting forces
The colorimetric test is used to examine sand for _____.
a. organic content
b. silt content
c. toxic chemicals
d. heavy metals
The equipment shown in the figure above is used to conduct a _____.
a. sand gradation test
b. settlement test
c. sieve test
d. siltation test
Sand that consists of a variety of particle sizes is termed _____.
a. well-distributed
b. poorly graded
c. properly graded
d. variegated
In a mortar slump test, after each layer is added, the mortar is rodded _____.
a. 35 times
b. 50 times
c. 25 times
d. 10 times
Mortar that easily slides off a trowel with a rolling or throwing motion but that clings to an upside-down
trowel is considered to have the correct _____.
a. plasticity
b. turbidity
c. flexibility
d. elasticity
To test brick for absorption, immerse a dry unit to a depth of 1/8 inch for _____.
a. 20 seconds
b. 80 seconds
c. 60 seconds
d. 40 seconds
For each 100,000 masonry units laid, the recommended number of mortar cubes to be laboratory tested is
_____.
a. five
b. 15
c. three
d. nine
Compliance inspectors usually perform their inspections _____.
a. at the end of the work week
b. on a regular schedule
c. upon completion of a stage of work
d. at random intervals
Field inspections are conducted to be sure work complies with contract specifications and that the craftwork
_____.
a. is done in accordance with the labor contract
b. is done by qualified workers
c. follows specified procedures
d. meets the required standards
Responsibility for the quality of a project ultimately lies with the _____.
a. contractor
b. architect
c. inspector
d. supervisor
When inspecting mortar, an inspector will monitor its _____.
a. plasticity
b. color
c. tempering time
d. temperature
Before inspecting the materials to be used, an inspector will examine the _____.
a. test certificates
b. overall job site
c. building plans
d. materials-handling equipment
Structural inspection of loadbearing masonry is the responsibility of the _____.
a. architect
b. building inspector
c. project engineer
d. contractor's representative
If construction methods or procedures seem to conflict with the project specifications, the inspector will
_____.
a. shut down the project
b. issue a change order
c. contact the architect
d. bring the problem to the attention of the supervisor or contractor
To match the width of mortar joints, control or expansion joints filled with elastomeric sealants have a
minimum tolerance of _____.
a. 1/2 inch
b. 3/8 inch
c. 1/4 inch
d. 5/8 inch
