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AIC Exam > Concrete and Pyschometrics > Flashcards

Concrete and Pyschometrics Flashcards

1
Q
  1. Which of the following references is incorporated by reference for the design of vertical and horizontal forms, a copy of which shall be maintained on the job site at all times?

A. American Concrete Institute’s publication titled Formwork for Concrete
B. American Society for Testing Materials publication ASTM C 94 titled Ready- Mixed Concrete
C. American Concrete Institute’s publication ACI 301 titled Specifications for Structural Concrete for Buildings
D. Concrete Reinforcing Steel Institute’s publication MSP 01-1 titled Manual of Standard Practice for Placing Bar Supports, Specifications and Nomenclature

A

A. American Concrete Institute’s publication titled Formwork for Concrete

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2
Q
  1. Which party is responsible for the design of the concrete formwork?

A. Owner
B. Field Engineer
C. Concrete Supplier
D. Architect/Engineer

A

B. Field Engineer

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3
Q
  1. According to the ACI 347-04 Committee, What is the maximum rate of pour allowed for a wall in feet per hour having a placement height greater than 14 feet?

A. 7
B. 15
C. 28
D. 150

A

B. 15

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4
Q
  1. If the Unit Weight Coefficient is 1.0, What is the weight range of a cubic foot of concrete for design purposes?

A. 65 - 90
B. 91 - 120
C. 121 - 139
D. 140 - 150

A

D. 140 - 150

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5
Q
  1. Assume that you are pouring a wall that is 151 feet - 4 inches long, 14 feet high and 16 inches thick and the daily placement rate is 375 cubic yards per 8-hour day. What is the rate of pour in feet per hour?

A. 00.23
B. 06.27
C. 07.51
D. 60.11

A

B. 06.27

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6
Q
  1. Assume the bucket has a capacity of 2.5 cubic yards. The pour is 55 feet above the ground, the rate of travel up for the bucket is 80 feet per minute, and the rate of travel down is 100 feet per minute. Assume the load time is 30 seconds and the unload time is
  2. 0 minutes. What is the cycle time in minutes?

A. 4.55 minutes
B. 5.74 minutes
C. 7.77 minutes
D. 35.24 minutes

A

B. 5.74 minutes

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7
Q
  1. Assume the bucket has a capacity of 2.5 cubic yards and it takes 7 minutes per cycle. What is the rate of delivery in cubic yards per hour?

A. 2.86
B. 8.57
C. 12.86
D. 21.43

A

D. 21.43

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8
Q
  1. What is the volume of concrete to be poured in cubic yards?

A. 89.68
B. 119.27
C. 1434.83
D. 3220.30

A

B. 119.27

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9
Q
  1. What is the minimum live load for motorized buggies in pounds per square foot?

A. 25
B. 50
C. 75
D. 100

A

C. 75

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10
Q
  1. Which of the plyform orientations provides the strongest formwork system?
    .
    A. Parallel to the span
    B. Parallel to the studs
    C. Perpendicular to the span
    D. Perpendicular to the wales
A

A. Parallel to the span

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11
Q
  1. Wall ties are being ordered. Which of the following items must you provide the supplier with to have a complete description?

A. Wall height, wall length, shear strength, and allowable deflection.
B. Wall thickness, tie load capacity, break back, and tie extension.
C. Lumber orientation, type of lumber, wind force, and vibration.
D. Lateral Pressure, sheathing thickness, bending, and rolling shear.

A

B. Wall thickness, tie load capacity, break back, and tie extension.

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12
Q
  1. What is the standard in North America for the outer layer of plyform?

A. The grain of the outer layer is parallel to the long dimension.
B. The grain of the outer layer is perpendicular to the long dimension.
C. The grain of the outer layer is at a 45-degree angle to the long dimension.
D. The grain of the outer layer is at a 45-degree angle to the short dimension.

A

A. The grain of the outer layer is parallel to the long dimension

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13
Q

Using the Psychrometric Chart and given a Dry Bulb Temperature of 85 degrees F and a Wet Bulb Temperature of 65F, answer the following questions:

  1. What is the Relative Humidity (RH) value?

A. 28
B. 34
C. 57
D. 72

A

B. 34

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14
Q

Using the Psychrometric Chart and given a Dry Bulb Temperature of 85 degrees F and a Wet Bulb Temperature of 65F, answer the following questions:

  1. What is the Humidity Ratio (HR) value?

A. 0.0030
B. 0.0088
C. 30.0000
D. 52.0000

A

B. 0.0088

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15
Q

Using the Psychrometric Chart and given a Dry Bulb Temperature of 85 degrees F and a Wet Bulb Temperature of 65F, answer the following questions:

  1. What is the Dew Point (DP) value?

A. 0.0030
B. 0.0088
C. 30.0000
D. 52.0000

A

D. 52.0000

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16
Q

Using the Psychrometric Chart and given a Dry Bulb Temperature of 85 degrees F and a Wet Bulb Temperature of 65F, answer the following questions:

  1. What is the Enthalpy value?

A. 0.0030
B. 0.0088
C. 30.0000
D. 52.0000

A

C. 30.0000

17
Q

Using the Psychrometric Chart and given a Dry Bulb Temperature of 85 degrees F and a Wet Bulb Temperature of 65F, answer the following questions:

  1. What measures the amount of heat required to raise the temperature of 1 pound of water 1 degree Fahrenheit?

A. Enthalpy
B. Saturated
C. Relative Humidity
D. British Thermal Units

A

D. British Thermal Units

18
Q

Using the Psychrometric Chart and given a Dry- Bulb Temperature of 75 degrees F and Relative Humidity of 50%, answer the following questions:

  1. What is the Wet-Bulb (WB) value?

A. 56
B. 63
C. 70
D. 90

A

B. 63

19
Q

Using the Psychrometric Chart and given a Dry- Bulb Temperature of 75 degrees F and Relative Humidity of 50%, answer the following questions:

  1. What is the Humidity Ratio (HR) value?

A. 0.0092
B. 28.5000
C. 56.0000
D. 69.0000

A

A. 0.0092

20
Q

Using the Psychrometric Chart and given a Dry- Bulb Temperature of 75 degrees F and Relative Humidity of 50%, answer the following questions:

  1. What is the Dew Point (DP) value?

A. 0.0092
B. 28.5000
C. 56.0000
D. 69.0000

A

C. 56.0000

21
Q

Using the Psychrometric Chart and given a Dry- Bulb Temperature of 75 degrees F and Relative Humidity of 50%, answer the following questions:

  1. What is the Enthalpy value?

A. 0.0092
B. 28.5000
C. 56.0000
D. 69.0000

A

B. 28.5000

22
Q

Using the Psychrometric Chart and given a Dry- Bulb Temperature of 75 degrees F and Relative Humidity of 50%, answer the following questions:

  1. What is another term for the total heat content of air?

A. Enthalpy
B. Saturated
C. Relative Humidity
D. British Thermal Units

A

A. Enthalpy

AIC Exam (19 decks)

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