Calculate the stress of pretensioned beams assuming as propped during – McqOptions

MCQOPTIONS

1.	Calculate the stress of pretensioned beams assuming as propped during the casting of the slab if Zt is 225 10, Zb is 128x104mm3 and moment due to self weight is 1200nmm?
A.	12.3 and 4.5
B.	0.53 and 0.94
C.	0.23 and 0.45
D.	1.23 and 0.67
Answer» C. 0.23 and 0.45

Discussion

No Comment Found

Related MCQs

Calculate the stress of pretensioned beams assuming as propped during the casting of the slab if Zt is 225 10, Zb is 128x104mm3 and moment due to self weight is 1200nmm?
Calculate stresses due to slab weight in precast sections given moment due to slab weight is 1200nm of section modulus 667 103?
The modular ratio of precast prestressed unit is ___________
In modulus of elasticity of insitu concrete of grade M20 will be about ___________
For computing the live load stresses, the effect of different moduli between the cast in situ and precast unit is considerable by ___________
In most composite constructions which involve prestressed units and insitu cast concrete the latter is of ___________
If the precast unit is propped during the placing of insitu concrete, the stresses due to self weight are computed using ___________
Once the insitu concrete hardens, we assume the section to be ___________
The stresses developed in the prestressed structures are computed using __________