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When larger dead loads tend to reduce the effects of other loads, what is the recommended factor that is used with the dead load?
A
0.9
B
0.8
C
0.7
D
0.6
Correct Answer:
0.9
0.9D + 1.6W + 1.6H & 0.9D + 1E + 1.6H are the examples.
When two or more loads are acting on a structure in addition to dead load, then ASCE permits the loads other than dead loads to be multiplied by a factor of (provided the result is not less than that produced by dead load and the load causing greatest effect)
A
0.60
B
0.65
C
0.70
D
0.75
When two or more loads are acting on a structure in addition to dead load, then ASCE permits the loads other than dead loads to be multiplied by a factor of 0.75 is:-
A
Compulsory
B
Compulsory in some case
C
Depends upon the engineer
D
Depends upon loads
Assertion A: The load factor for live load is greater than that for dead load.
Reason R: The live loads are more uncertain than dead loads.
Select your answer based on the coding system given below:
A
Both A and R are true and R is the correct explanation of A
B
Both A and R are true but R is not the correct explanation of A
C
A is true but R is false
D
A is false but R is true
Calculate bending moment of dead load given total load = 14n/mm2, Dead load bending moment dead weight of slab = 12kn/m2, dead weight of w.c = 1.76kn/m2, span length is 10.4m?
A
120knm
B
130knm
C
190knm
D
160knm
What is the partial safety factor for dead load in combination of DL+LL+WL/EL for limit state of serviceability, where DL=Dead load, LL=imposed load , WL=wind load, EL=earthquake load ?
A
1.0
B
0.8
C
1.5
D
1.2
Calculate ultimate moment and shear of effective span is 30m, live load is 9kn/m, dead load excluding self weight is 2kn/m, load factors for dead load is 1.4 for live load is 1.6 cube strength of concrete fcu is 50n/mm2 cube strength at transfer is fci is 35n/mm2, tensile strength of concrete Ec is 34kn/mm2 loss ratio ษณ is 0.85 and 8mm diameter high tensile strength fpu is 1500n/mm2 are available for use and the modulus of elasticity of high tensile wires is 200kn/mm2?
A
340 and 450kn
B
240 and 340kn
C
140 and 240kn
D
100 and 200kn
What is the partial safety factor for dead load in combination of DL+ WL/EL for limit state of serviceability, where DL=Dead load, WL=wind load, EL=earthquake load ?
A
1.0
B
1.5
C
1.2
D
0.8
Impact loads are equal to the sum of the magnitude of the loads actually caused and the magnitude if the loads had they been dead loads. State whether this statement is true or false.
A
True
B
False
If the first two statements are true, the third statement is :
I. Cloudy days tend to be more windy than sunny days.
II. Foggy days tend to be less windy than cloudy days.
III. Sunny days tend to be less windy than foggy days.
A
true
B
false
C
[C. uncertain
What is the load factor considered for steel structures when combination of dead load, imposed load and earthquake load is considered?
A
1.5
B
1.3
C
1.2
D
1.7