Answered: Q3\| Choose the correct answer of the…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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$Q3\\ Choose the correct answer of the following question: (5M) 1. In a simply supported concrete member, parabolic cable profile is adopted when the beam is subjected to: a) Uniformly distributed load. b) Point load. c) Two point loads. d) None of these. 2. A pre-stressed concrete member a) Is made of concrete b) Is made of reinforced concrete c) Is stressed after casting d) Possesses internal stresses 3. High strength concrete is used in pre-stressed member a) To overcome high bearing stresses developed at the ends b) To overcome bursting stresses at the ends c) To provide high bond stresses d) All the above. 4. If the tendon is placed at an eccentricity e above the centroidal axis the longitudinal axis of a rectangular beam (sectional modulus S and stressed load P in tendon) the stress at the extreme bottom edge a) Is increased by PS/e b) Is increased by Pe/S c) Is decreased by Pe/S d) Is decreased by PS/e 5. The prestressing of concrete member is carried out to reduce a) Compressive stresses b) Tensile stresses c) Bending stresses d) Shear force$

Transcribed Image Text:Q3\\ Choose the correct answer of the following question: (5M) 1. In a simply supported concrete member, parabolic cable profile is adopted when the beam is subjected to: a) Uniformly distributed load. b) Point load. c) Two point loads. d) None of these. 2. A pre-stressed concrete member a) Is made of concrete b) Is made of reinforced concrete c) Is stressed after casting d) Possesses internal stresses 3. High strength concrete is used in pre-stressed member a) To overcome high bearing stresses developed at the ends b) To overcome bursting stresses at the ends c) To provide high bond stresses d) All the above. 4. If the tendon is placed at an eccentricity e above the centroidal axis the longitudinal axis of a rectangular beam (sectional modulus S and stressed load P in tendon) the stress at the extreme bottom edge a) Is increased by PS/e b) Is increased by Pe/S c) Is decreased by Pe/S d) Is decreased by PS/e 5. The prestressing of concrete member is carried out to reduce a) Compressive stresses b) Tensile stresses c) Bending stresses d) Shear force

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