A_CONCRETE_TANK_IF_HAS_A_MINIMUM_STRESS_IN_WIRES_600N/MM2_IMMEDIATELY_ – McqOptions

MCQOPTIONS

1.	A_CONCRETE_TANK_IF_HAS_A_MINIMUM_STRESS_IN_WIRES_600N/MM2_IMMEDIATELY_AFTER_TENSIONING_AND_THE_COEFFICIENT_OF_FRICTION_IS_0.5._CALCULATE_THE_MAXIMUM_STRESS_TO_BE_APPLIED_TO_THE_WIRES_AT_THE_JACK??$
A.	900n/mm<sup>2</sup>
B.	960n/mm<sup>2</sup>
C.	850n/mm<sup>2</sup>
D.	800n/mm<sup>2</sup>
Answer» C. 850n/mm<sup>2</sup>

Discussion

No Comment Found

Related MCQs

A cylindrical concrete tank, 40m external diameter is to be prestressed circumferentially by means of a high strength steel wire (Es = 210kn/mm2) jacked at 4 points and 90 degrees apart. Find the expected extension at the jack?
A concrete tank if has a minimum stress in wires 600n/mm2 immediately after tensioning and the coefficient of friction is 0.5. Calculate the maximum stress to be applied to the wires at the jack?
A post tensioned concrete beam 200mm wide and 450mm deep, of span 10m, initial stress of 840n/mm2 is available in the un jacked end immediately after the anchoring. Find the angle between tangents to the cable at supports?
The value of ‘μ’ in loss of stress equation depends upon ____________
The loss of stress due to friction is given as ____________
The wobble effect is the result of ____________
The wobble effect due to loss of stress is also known as ____________
The loss of stress due to curvature effect depends upon ____________
The total loss of prestress due to friction is of ____________
The loss of prestress due to friction generally occurs in case of ____________