Most common method of prestressing used for factory production is________________?

Related Mcqs:

According to IS : 456 -1978, the modulus of elasticity of concrete Ec (in N/mm2) can be taken as______________?

A. Ec = = 5700 B. Ec = = 570 C. Ec = = 5700fck D. Ec = where fck N/mm2 = 700 is the characteristic strength in...

In reinforced concrete footing on soil, the minimum thickness at edge should not be less than______________?

A. 100 mm B. 150 mm C. 200 mm D. 250 mm...

Which of the following R.C. retaining walls is suitable for heights beyond 6m ?

A. L-shaped wall B. T-shaped wall C. counterfort type D. all of the above...

In a spherical dome subjected to concentrated load at crown or uniformly distributed load, the meridional force is always________________?

A. zero B. tensile C. compressive D. tensile or compressive...

Select the incorrect statement?

A. The loss of prestress is more in pre-tensioning system than in post-tensioning system. B. Pretensioning system has greater certainty about its durability. C. For heavy loads and large spans in buildings or bridges, post-tensioning system is cheaper than pretensioning system D. none of the above...