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Mechanical Engineering Exam  >  Mechanical Engineering Notes  >  Design of Machine Elements  >  GATE Past Year Questions: Static, Dynamic Loading & Failure Theories

GATE Past Year Questions: Static, Dynamic Loading & Failure Theories | Design of Machine Elements - Mechanical Engineering PDF Download

Question for GATE Past Year Questions: Static, Dynamic Loading & Failure Theories
Try yourself:A machine element is subjected to the following bi-axial state of stress; σx = 80 MPa; σy = 20 MPa; τxy = 40 MPa. If the shear strength of the material is 100 MPa, the factor of safety as per Tresca's maximum shear stress theory is

[2015, Set-1]

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Question for GATE Past Year Questions: Static, Dynamic Loading & Failure Theories
Try yourself:Consider the two states of stress as shown in configurations I and II in the figure below.
From the standpoint of distortion energy (vonMises) criterion, which one of the following statements is true?
GATE Past Year Questions: Static, Dynamic Loading & Failure Theories | Design of Machine Elements - Mechanical Engineering

[2014, Set-2]

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Question for GATE Past Year Questions: Static, Dynamic Loading & Failure Theories
Try yourself:Which one of the following is not correct?

[2014, Set-3]

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Question for GATE Past Year Questions: Static, Dynamic Loading & Failure Theories
Try yourself:Which theory of failure will you use for aluminium components under steady loading is

[1998]

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Question for GATE Past Year Questions: Static, Dynamic Loading & Failure Theories
Try yourself:A small element at the critical section of a component in biaxial state of stress with the two principal stresses being 360 MPa and 140 MPa. The maximum working stress according to distortion energy theory is

[1997]

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Question for GATE Past Year Questions: Static, Dynamic Loading & Failure Theories
Try yourself:In the design of shafts made of ductile materials subjected to twisting moment and bending moment, the recommended theory of failure is

[1988]

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Question for GATE Past Year Questions: Static, Dynamic Loading & Failure Theories
Try yourself:Consider the schematic of a riveted lap Joint subjected to tensile load F, as shown below.
Let d be the diameter of the rivets, and Sf be the maximum permissible tensile stress in the plates. What should be the minimum value for the thickness of the plates to guard against tensile failure of the plates? Assume the plates to be identical.
GATE Past Year Questions: Static, Dynamic Loading & Failure Theories | Design of Machine Elements - Mechanical Engineering

[2017, Set-1]

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Question for GATE Past Year Questions: Static, Dynamic Loading & Failure Theories
Try yourself:For the given fluctuating fatigue load, the values of stress amplitude and stress ratio are respectively
GATE Past Year Questions: Static, Dynamic Loading & Failure Theories | Design of Machine Elements - Mechanical Engineering

[2015, Set-3]

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Question for GATE Past Year Questions: Static, Dynamic Loading & Failure Theories
Try yourself:A bar is subjected to fluctuating tensile load from 20 kN to 100 kN. The material has yield strength of 240 MPa and endurance limit in reversed bending is 160 MPa. According to the Soderberg principle, the area of cross-section in mm2 of the bar for a factor of safety of 2 is

[2013]

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Question for GATE Past Year Questions: Static, Dynamic Loading & Failure Theories
Try yourself:A forged steel link with uniform diameter of 30 mm at the centre is subjected to an axial force that varies from 40 kN in compression to 160 kN in tension. The tensile (Su), yield (Sy) and corrected endurance (Se) strengths of the steel material are 600 MPa, 420 MPa and 240 MPa respectively. The factor of safety against fatigue endurance as per Soderberg's criterion is

[2009]

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Question for GATE Past Year Questions: Static, Dynamic Loading & Failure Theories
Try yourself:The piston rod of diameter 20 mm and length 700 mm in a hydraulic cylinder is subjected to a compressive force of 10 kN due to the internal pressure. The end conditions for the rod may be assumed as guided at the piston end and hinged at the other end. The Young's modulus is 200 GPa. The factor of safety for the piston rod is

[2007]

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Question for GATE Past Year Questions: Static, Dynamic Loading & Failure Theories
Try yourself:A thin spherical pressure vessel of 200 mm diameter and 1 mm thickness is subjected to an internal pressure varying from 4 to 8 MPa.Assume that the yield, ultimate, and endurance strength of material are 600,800 and 400 MPa respectively. The factor of safety as per Goodman's relation is

[2007]

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Question for GATE Past Year Questions: Static, Dynamic Loading & Failure Theories
Try yourself:A carpenter glues a pair of cylindrical wooden logs by bonding their end faces at an angle of θ = 30° as shown in the figure.
GATE Past Year Questions: Static, Dynamic Loading & Failure Theories | Design of Machine Elements - Mechanical Engineering
The glue used at the interface fails if
Criterion 1 : the maximum normal stress exceeds 2.5 MPa
Criterion 2 : the maximum shear stress exceeds 1.5 MPa
Assume that the interface fails before the logs fail. When a uniform tensile stress of 4 MPa is applied, the interface

[2018, Set-1]

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Question for GATE Past Year Questions: Static, Dynamic Loading & Failure Theories
Try yourself:If σ1 and σ3 are the algebraically largest and smallest principal stresses respectively, the value of the maximum shear stress is

[2018, Set-1]

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Question for GATE Past Year Questions: Static, Dynamic Loading & Failure Theories
Try yourself:A pin jointed uniform rigid rod of weight W and length L is supported horizontally by an external force F as shown in the figure below.

GATE Past Year Questions: Static, Dynamic Loading & Failure Theories | Design of Machine Elements - Mechanical Engineering
The force F is suddenly removed. At the instant of force removal, the magnitude of vertical reaction developed at the support is

[2013]

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Question for GATE Past Year Questions: Static, Dynamic Loading & Failure Theories
Try yourself:A solid shaft can resist a bending moment of 3.0 kNm and a twisting moment of 4.0 kNm together, then the maximum torque that can be applied is

[1996]

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Question for GATE Past Year Questions: Static, Dynamic Loading & Failure Theories
Try yourself:Two shafts A and B are made of the same material. The diameter of shaft B is twice that of shaft A The ratio of power which can be transmitted by shaft A to that of shaft B is

[1994]

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Question for GATE Past Year Questions: Static, Dynamic Loading & Failure Theories
Try yourself:The outside diameter of a hollow shaft that is twice its inside diameter the ratio of its torque carrying capacity to that of a solid shaft of the same material and the same outside diameter is

[1993]

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Question for GATE Past Year Questions: Static, Dynamic Loading & Failure Theories
Try yourself:A large uniform plate containing a rivet hole subjected to uniform uniaxial tension of 95 MPa.
The maximum stress in the plate is
GATE Past Year Questions: Static, Dynamic Loading & Failure Theories | Design of Machine Elements - Mechanical Engineering

[1992]

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Question for GATE Past Year Questions: Static, Dynamic Loading & Failure Theories
Try yourself:Torque to weight ratio for a circular shaft transmitting power is directly proportional to the

[1991]

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FAQs on GATE Past Year Questions: Static, Dynamic Loading & Failure Theories - Design of Machine Elements - Mechanical Engineering

1. What is static loading in mechanical engineering?
Ans. Static loading refers to the application of a constant or slowly changing load to a structure or component. This type of loading does not cause any movement or deformation in the structure, as the applied load is balanced by the internal forces within the material. Static loading is commonly used to analyze the strength and stability of structures under various operating conditions.
2. What is dynamic loading in mechanical engineering?
Ans. Dynamic loading involves the application of a rapidly changing or fluctuating load to a structure or component. Unlike static loading, dynamic loading causes movement and deformation in the structure due to the unbalanced forces acting on it. This type of loading is often encountered in situations where the load is applied and removed repeatedly, such as in machinery or vehicles.
3. What are failure theories in mechanical engineering?
Ans. Failure theories are mathematical models or criteria used to predict the failure or ultimate strength of structures or materials under different loading conditions. These theories help engineers determine the maximum load a structure can withstand before it fails or experiences significant deformation. Common failure theories include the maximum normal stress theory, maximum shear stress theory, and maximum strain energy theory.
4. How does static loading affect the strength of a structure?
Ans. Static loading affects the strength of a structure by subjecting it to a constant or slowly changing load. If the applied load exceeds the strength of the material, the structure may experience plastic deformation or even failure. The analysis of static loading involves calculating the internal forces and stresses within the structure to ensure that they are within the allowable limits of the material.
5. What are the advantages of dynamic loading analysis in mechanical engineering?
Ans. Dynamic loading analysis provides engineers with a more realistic understanding of how structures or components behave under fluctuating loads. It helps in identifying potential fatigue failure, resonance, or vibration issues, which may not be evident in static loading analysis. By considering dynamic loading, engineers can design more robust and reliable structures that can withstand the dynamic forces they are subjected to in real-world applications.
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Document Description: GATE Past Year Questions: Static, Dynamic Loading & Failure Theories for Mechanical Engineering 2024 is part of Design of Machine Elements preparation. The notes and questions for GATE Past Year Questions: Static, Dynamic Loading & Failure Theories have been prepared according to the Mechanical Engineering exam syllabus. Information about GATE Past Year Questions: Static, Dynamic Loading & Failure Theories covers topics like and GATE Past Year Questions: Static, Dynamic Loading & Failure Theories Example, for Mechanical Engineering 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises and tests below for GATE Past Year Questions: Static, Dynamic Loading & Failure Theories.
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