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Objective Questions
Engineering
Mechanical
ME Set-3
Theory of Machines
164

Theory of Machines MCQ with Answers

164) Spring index is

ratio of coil diameter to wire diameter

load required to produce unit deflection

its capability of storing energy

indication of quality of spring

Answer is:

ratio of coil diameter to wire diameter

Theory of Machines MCQ with Answers

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Related Theory of Machines MCQ with Answers

165) The shearing stresses in the inner face as compared to outer face of the wire in a heavy close coiled spring is

larger

smaller

equal

larger/smaller depending on diameter of spring coil

Answer is:

larger

166) Form coefficient of spring is

ratio of coil diameter to wire diameter

load required to produce unit deflection

its capability of storing energy

concerned With strength of wire of spring

Answer is:

its capability of storing energy

167) Spring stiffness is

ratio of coil diameter to wire diameter

load required to produce unit deflection

its capability of storing energy

its ability to absorb shocks

Answer is:

load required to produce unit deflection

Explanation:

The load required to produce a unit deflection in a spring is called spring stiffness.

168) When two springs are in series (having stiffness K), the equivalent stiffness will be

K

K/2

2K

KIA

Answer is:

K/2

Theory of Machines MCQ with Answers

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