As per IS:800, in the plastic design, which of the following pairs are correctly matched? Working Loads Load factor________________?

(i) Dead load 1.7
(ii) Dead Load + imposed load 1.7
(iii) Dead load + load due to wind or 1.3 seismic forces
(iv) Dead load + imposed load + load 1.7

due to wind or seismic forces Of these statements

A. (i) and (ii) are correct
B. (i), (ii) and (iii) are correct
C. (ii) and (iii) are correct
D. only (i) is correct

Related Mcqs:

In case of plastic design, the calculated maximum shear capacity of a beam as per IS:800 shall be________________?
A. 0.55 Awfy
B. 0.65 Awfy
C. 0.75 Awfy
D. 0.85 Awfy
where, Aw = effective cross-sectional area resisting shear fy = yield stress of the steel
Efficiency of a riveted joint, having the minimum pitch as per IS : 800, is_________________?
A. 40%
B. 50%
C. 60%
D. 70%
As per IS : 800, for compression flange, the outstand of flange plates should not exceed________________?
A. 121
B. 161
C. 201
D. 251
where t = thickness of thinnest flange plate
A steel beam supporting loads from the floor slab as well as from wall is termed as________________?
A. stringer beam
B. lintel beam
C. spandrel beam
D. header beam
The connection of intermediate vertical stiffeners to the web, not subjected to external loads, shall be designed for a minimum shear force (kN/m) of___________________?
A. 75 t2/h
B. 125 t3/h2
C. 125 t2/h
D. 175 t2/h
where, t = the web thickness in mm
h = the outstand of stiffener in mm
Which of the following conditions is to be satisfied both in elastic and plastic analysis ?
A. equilibrium condition
B. yield condition
C. plastic moment condition
D. mechanism condition
According to IS:800, in the Merchant Rankine formula the value of imperfection index (n) is_______________?
A. 1.0
B. 1.4
C. 1.8
D. 2.0
The ratio of plastic section modulus to elastic section modulus__________________?
A. is equal to 1
B. is always less than 1
C. is always greater than 1
D. can be less than 1
The statical method of plastic analysis satisfies_______________?
A. equilibrium and mechanism conditions
B. equilibrium and plastic moment conditions
C. mechanism and plastic moment conditions
D. equilibrium condition only
The moment-curvature relation at a plastic hinge is________________?
A. linear
B. parabolic
C. constant moment for all curvatures
D. constant curvature for all moments