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Cm 485 > eng concepts old > Flashcards

eng concepts old Flashcards

1
Q

Which source or organization promotes a uniform organization system for organizing
construction materials, specifications and documentation into Divisions and Sections for
projects?
A. Sweet’s Catalog
B. Underwriters Laboratories
C. Construction Specifications Institute
D. American Society for Testing Materials

A

c

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2
Q

You are interested in finding all of the manufacturers technical lifting data for a
permanent overhead crane that the Contractor will install in a manufacturing facility.
What is the name of the Reference source?
A. Sweet’s Catalog
B. Thomas’ Register
C Engineering News Record
D. Crane and Riggers Association

A

b

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3
Q

Which organization is engaged in the standardization of technical specifications and
testing methods?
A. Underwriters Laboratories
B. American Standards Association
C. Construction Specifications Institute
D. American Society for Testing Materials

A

d

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4
Q

Which organization investigates and tests materials, products, equipment, construction
methods and construction systems to safeguard against hazards to life and property?
A. Underwriters Laboratories
B. American Standards Association
C. Construction Specifications Institute
D. American Society for Testing Materials

A

a

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5
Q

What are large stones that are placed at the end of culverts or along the edge of a body of
water to prevent erosion called?
A. Riprap
B. Impurities
C. Weathering
D. Permeability

A

a

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6
Q

What are aggregate particles smaller than the size of a grain of sand called?
A. Riprap
B. Abrasion
C. Impurities
D. Permeability

A

c

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7
Q

What is a measure of the ease with which water will flow through an aggregate’s voids
called?
A. Riprap
B. Impurities
C. Weathering
D. Permeability

A

d

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8
Q

What is the aggregate quality of resisting weathering called?
A. Abrasion
B. Adhesion
C. Soundness
D. Permeability

A

c

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9
Q

What type of pavement system is subject to abrasion throughout because the pavement
continuously flexes under the weight of traffic?
A. Asphalt
B. Concrete
C. Gravel road
D. Sandy road

A

a

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10
Q

What does a sieve size of No. 40 mean?
A. There are 40 openings per lineal inch
B. There are 40 openings per lineal foot
C. There are 40 inches of surface area
D. There are 1600 inches of surface area

A

a

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11
Q

Which sieve size are the aggregates initially placed into for analysis?
A. 4 inches
B. 1/4 inch
C. No. 4
D. No. 200

A

a

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12
Q

A gradation chart shows a line with a constant slope which indicates that approximately
the same amount of material is retained on each successive sieve. What is this gradation
called?
A. Gap-graded
B. Well-graded
C. Skip-graded
D. Uniformly-graded

A

b

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13
Q

What is the weight of a Cubic Yard of concrete?
A. 150 pounds
B. 1350 pounds
C. 2430 pounds
D. 4050 pounds

A

d

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14
Q

What is the term for a material that strains slowly when a force is applied to it for an
extended period of years, even though the force is too small to cause failure in a short
period of time?
A. Creep
B. Deformation
C. Working stress
D. Allowable stress

A

a

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15
Q

What is the chemical reaction called when Portland cement is mixed with the water?
A. Setting
B. Adhesion
C. Hydration
D. Air-entrainment

A

c

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16
Q

Which of the following types of soil has high permeability?
A. Clay
B. Gravel
C. Solid Rock
D. Fine Sands & Silts

A

b

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17
Q

Which type of Portland cement is used where an early strength gain is important?
A. Type I
B. Type III
C. Type M
D. Type O

A

b

18
Q

Which concrete characteristic is improved by air-entraining the concrete?
A. Strength
B. Hydration
C. Sulfate resistance
D. Freeze-thaw resistance

A

d

19
Q

What is the most important parameter used to control the strength of concrete?
A. Air-entrainment
B. Water/Cement Ratio
C. Type of Portland Cement
D. Coarse/Fine Aggregate Ratio

A

b

20
Q

What is Air-entrained Portland cement Concrete quite weak in?
A. Tension
B. Durability
C. Compression
D. Bond Strength

A

a

21
Q

Which technical resource must be consulted to determine the bar support spacing for a
Concrete Bridge deck?
A. American Concrete Institute
B. Concrete Reinforcing Steel Institute
C. Construction Specifications Institute
D. American Society for Testing Materials

A

b

22
Q

What is the diameter in inches of a #8 bar?
A. 1/8
B. ½
C. 1.0
D. 8.0

A

b

23
Q

What is the weight of a bag of Portland Cement in pounds?
A. 50
B. 90
C. 120
D. 150

A

b

24
Q

What is the weight of a #5 deformed bar in pounds?
A. 0.310
B. 0.625
C. 1.043
D. 1.963

A

c

25
Q

Which materials are incorporated by reference and not normally shown on the plans or in
the Technical Specifications?
A. Concrete
B. Bar Supports
C. Reinforcement
D. Welded Wire Fabric

A

b

26
Q

Which type of masonry cement is used where bond and lateral strength are important?
A. Type I
B. Type III
C. Type N
D. Type S

A

d

27
Q

Which type of masonry cement is used for foundation walls and isolated piers?
A. Type K
B. Type N
C. Type O
D. Type S

A

d

28
Q

Which type of masonry cement is used for reinforced masonry?
A. Type K.
B. Type N.
C. Type O.
D. Type S

A

d

29
Q

Which of the following mortar ingredients improves the mortar’s workability?
A. Lime
B. Sand
C. Gravel
D. Portland cement

A

a

30
Q

Which of the following mortar ingredients decreases the shrinkage of mortar while setting
and drying?
A. Lime
B. Sand
C. Water
D. Portland cement

A

b

31
Q

What ingredient is added to mortar for retempering?
A. Lime
B. Sand
C. Water
D. Portland cement

A
32
Q

Assume you have a beam that is 16 feet long and carries a concentrated load of 900
pounds at a distance 2 1
of 4 feet from R . Reaction (R ) is pinned 12 feet from the load.
Reac 1 2
tion R = 225 lbs and R = 675 lbs. What is the maximum bending moment in lb-ft?
A. 900
B. 1800
C. 2700
D. 3600

A

225x12=c

33
Q

Assume you have a beam that is 16 feet long and carries a concentrated load of 900
pounds at a distance 2 1
of 4 feet from R . Reaction (R ) is pinned 12 feet from the load.
Reac 1 2
tion R = 225 lbs and R = 675. What is the maximum shear in lbs?
A. 225
B. 675
C. 900
D. 1800

A

b 225-900

34
Q

What is the wood member called that is graded according to its load being carried on the
cross section?
A. Joists
B. Planks
C. Boards
D. Posts and Timbers

A
35
Q

Which of the following values is a typical number for the Modulus of Elasticity (E)?
A. 90
B. 800
C. 1,800
D. 1,300,000

A

d

36
Q

Under the structural lumber classification system, what is the name of the top grade?
A. No. 1
B. Stud Grade
C. Construction Grade
D. Select Structural Grade

A

d

37
Q

What does the abbreviation of S2S stamp on a piece of lumber mean?
A. Select Two Sides
B. Select Two Edges
C. Smooth Two Sides
D. Smooth Two Edges

A

c

38
Q
  1. What is the wood member called that is graded according to its bending strength on its
    wider dimension which is 2-4 inches thick and at least 6 inches wide?
    A. Joists
    B. Planks
    C. Boards
    D. Posts and Timbers
A

b

39
Q

If the weld is supposed to be on all four sides, what symbol will be used?
A. Circle
B. Single- V
C. Convex
D. Right Triangle

A

a

40
Q

Assume you have a square weld symbol with a solid flag on a pole coming up from the
change in direction of the arrow. What does the solid backwards flag on a pole tell you?
A. Field weld
B. Flush weld
C. Contour weld
D. Weld all the way around

A

a

41
Q

Assume you have a fillet weld symbol on the top of the welding symbol arrow. Which
side will the weld be placed on?
A. The ends are welded
B. All sides all the way around
C. Arrow side that it is pointing to
D. Other side from where the arrow is pointing

A

d

42
Q

What type of weld fits two pieces of metal together end-to-end for welding?
A. Slot
B. Butt
C. Plug
D. Fillet

A

b

Cm 485 (20 decks)

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