Multiple Choice Flashcards
In determining the required strength, the magnitude of the load factor assigned to each nominal load effect is influenced primarily by the following, except:
A. To account for the understrength of a member due to variations in material strengths and dimension.
B. The probability that different load types will occur at the same time.
C. The variation that might be expected in the load during the life of a structure
D. The degree of accuracy to which the load effect can be determined.
A
It is done to determine the response of the structure under the action of loads.
A. Preliminaries
B. Preliminary design
C. Structural analysis
D. Structural design
C
It combines the required and design factors into a single factor of safety.
A. LRFD
B. ASD
B
The maximum wheel loads of monorail cranes shall be increased by
A. 0%
B. 10%
C. 25%
D. 50%
C
Loads that are considered to be permanent loads because their magnitude remains essentially constant over time.
A. Dead load
B. Live load
C. Lateral load
D. Other minimum load
A
It is the vertical load acting on a building structure, including dead load and live load due to occupancy or snow
A. Gravity load
B. Live load
C. Lateral load
D. Other minimum load
A
For the purpose of design, the weight of elevator machinery shall be increased by
A. 20%
B. 33%
C. 50%
D. 100%
D
Glazed openings shall be protected where the location of the structure is
A. On areas where the basic wind speed is equal to or greater than 63 m/s
B. Within 1.6km of the coastal mean high water line where the basic wind speed is equal to or greater than 58 m/s
C. A or B
D. None of the above
C
An enclosed, rigid, public school building.
What procedure/s can be used to determine the wind loads for its main wind force resisting system?
A. Sec 207B
B. Sec 207B or Sec 207C
C. Sec 207C
D. None of the above
A
If the building has a kzt=1.0, it will be classified as a
A. Class 2 building
B. Class 1 or class 2 building
C. Class 1 building
D. None
C
To solve for the maximum vertical uplift windward roof wind load of a hipped-roof low rise building, using the envelope procedure, we need the external coefficient GCPf of area/zone:
A. 2
B. 2E
C. 3
D. 3E
B
The positive external pressure on the bottom surface of a windward roof overhang shall be determined using a Cp of _____ in combination with the top surface pressures determined in figure 207C.4-1
A. +0.70
B. 0.85
C. -0.85
D. None
A
The main purpose of the reduction factors in the design strength of members are as follows, except:
A. To allow for inaccuracies in the design equations
B. To account for the probability that different load types will occur at the same time
C. To account for the understrength of a member due to variations in material strengths and dimensions
D. To reflect the importance of a member
B
Besides knowledge of structural engineering it requires knowledge of practical aspects, such as relevant codes and by laws backed up by ample experience, intuition, and judgement.
A. Preliminaries
B. Preliminary design
C. Structural analysis
D. Structural design
A
It accounts separately for the predictability of applied loads through the use of load factors applied to the required strength side of the limit state inequalities and for material and construction variabilities through resistance factors on the nominal strength side of the limit state inequality.
A. LRFD
B. ASD
A