Which of the following is not an assumption in derivation of torsion equation? a. Circular shaft remains circular after twisting b. Plane section of the shaft remain plane after twisting c. Material of shaft is isotropic d. Angle of twist is proportional to radius

Which of the following is not an assumption in derivation of torsion equation?
a. Circular shaft remains circular after twisting
b. Plane section of the shaft remain plane after twisting
c. Material of shaft is isotropic
d. Angle of twist is proportional to radius
by

1 Answer

Answer :

d. Angle of twist is proportional to radius
by

Related questions

The following assumption is not true in the theory of pure torsion: (A) The twist along the shaft is uniform (B) The shaft is of uniform circular section throughout (C) Cross-section of the shaft, which is plane before twist remains plane after twist (D) All radii get twisted due to torsion

Description : The following assumption is not true in the theory of pure torsion:  (A) The twist along the shaft is uniform  (B) The shaft is of uniform circular section throughout  (C) Cross- ... , which is plane before twist remains plane after twist  (D) All radii get twisted due to torsion 

Last Answer : (D) All radii get twisted due to torsion 

A circular shaft subjected to torsion undergoes a twist of 10in a length of 120 cm. If the maximum shear stress induced is limited to 1000 kg/cm2and if modulus of rigidity G = 0.8 x 106then the radius of the shaft should be (a) p/8 (b) p/27 (c) 18/p (d) 27/p

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Last Answer : (d) 27/p

Two shafts in torsion will have equal strength if a. Only diameter of the shafts is same b. Only angle of twist of the shaft is same c. Only material of the shaft is same d. Only torque transmitting capacity of the shaft is same

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Last Answer : d. Only torque transmitting capacity of the shaft is same

A shaft of length L is subject to a constant twisting moment T along its length L, then angle q through which one end of the bar will twist relative to other will be (a) T/g (b) T/GJ (c) GJ/TL (d) TL/GJ

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Last Answer : (d) TL/GJ

The angle of twist is ------------- proportional to the twisting moment. a. directly. b. inversely. c. indirectly. d. reversely.

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Two shafts will have equal strength, if (a) diameter of both the shafts is same (b) angle of twist of both the shafts is same (c) material of both the shafts is same (d) twisting moment of both the shafts is same

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The region of the cross-section of a column in which compressive load may be applied without producing any tensile stress, is known as the core of the cross-section. In circular columns the radius of the core, is (a) One-half of the radius (b) One-third of the radius (c) One-quarter of the radius (d) One-fifth of the radius

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In a R.C section under flexure, the assumption that “a plane section before bending remains plane after bending” leads to (a) Strain distribution being linear across the depth (b) Stress distribution being linear across the depth (c) Both stress and strain distribution being linear across the depth (d) Shear stress distribution being uniform along the depth

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The length of a column, having a uniform circular cross-section of 7.5 cm diameter and whose endsare hinged, is 5 m. If the value of E for the material is 2100 tonnes/cm2, the permissible maximumcrippling load will be (a) 1.288 tonnes (b) 12.88 (c) 128.8 tonnes (d) 288.0

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Last Answer : (b) 12.88