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Mechanical Engineering Exam  >  Mechanical Engineering Tests  >  Test: Eccentric Load On Circular Base - Mechanical Engineering MCQ

Test: Eccentric Load On Circular Base - Mechanical Engineering MCQ


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5 Questions MCQ Test - Test: Eccentric Load On Circular Base

Test: Eccentric Load On Circular Base for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The Test: Eccentric Load On Circular Base questions and answers have been prepared according to the Mechanical Engineering exam syllabus.The Test: Eccentric Load On Circular Base MCQs are made for Mechanical Engineering 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Eccentric Load On Circular Base below.
Solutions of Test: Eccentric Load On Circular Base questions in English are available as part of our course for Mechanical Engineering & Test: Eccentric Load On Circular Base solutions in Hindi for Mechanical Engineering course. Download more important topics, notes, lectures and mock test series for Mechanical Engineering Exam by signing up for free. Attempt Test: Eccentric Load On Circular Base | 5 questions in 10 minutes | Mock test for Mechanical Engineering preparation | Free important questions MCQ to study for Mechanical Engineering Exam | Download free PDF with solutions
Test: Eccentric Load On Circular Base - Question 1
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A flange of radius 200mm is fastened to the machine screw by means of four cap screws of pitch circle radius 150mm. The external force P is 20kN which is loaded at 160mm from the machine screw. There are two dowel pins to take shear load. Determine the maximum effective tensile force acting on the bolt. The four bolts are equally spaced radially.

Detailed Solution for Test: Eccentric Load On Circular Base - Question 1

Explanation: Maximum force F=2Pl[a+bCos(90/2)] / 4(2a²+b²).

Test: Eccentric Load On Circular Base - Question 2
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A flange of radius 200mm is fastened to the machine screw by means of four cap screws of pitch circle radius 150mm. The external force P is 20kN which is loaded at 160mm from the machine screw. There are two dowel pins to take shear load. Determine the core diameter of cap screw if permissible tensile stress in cap screw is 40N/mm².

Detailed Solution for Test: Eccentric Load On Circular Base - Question 2

Explanation: Maximum tensile force=4777.6N or πd² x σ/4=4777.6N.

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Test: Eccentric Load On Circular Base - Question 3
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A round flange bearing is fastened to the machine frame by means of 4 cap screws. The angle made by central axis of bolt 2 and horizontal is θ. Also the radii of flange and pitch circle are a & b respectively. Given: Sum of squares of distance of bolts from axis of tilt is 2a² +b²

Q. Are all the four bolts under equal effective tensile load?

Detailed Solution for Test: Eccentric Load On Circular Base - Question 3

Explanation: All the bolts are at different distance from the axis of tilt and hence unequally loaded.

Test: Eccentric Load On Circular Base - Question 4
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Determine the angle θ so that the force in the bolt 1 has maximum value.
Detailed Solution for Test: Eccentric Load On Circular Base - Question 4

Explanation:F₁=2Plx(a-b Cos θ)/4(2a²+b²), hence for force to be max Cosθ=-1 or θ=180’.

Test: Eccentric Load On Circular Base - Question 5
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Which bolt is under maximum stress if dowel pins are used to relieve cap screws from shear stress?
Detailed Solution for Test: Eccentric Load On Circular Base - Question 5

Explanation: The screw farthest from the axis of tilt is under maximum stress.

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