Mechanical Engineering · all questions

Strength Of Materials
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445

Questions

12/23

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Q221

According to Euler's column theory, the crippling load for a column of length (l) fixed at both ends is __________ the crippling load for a similar column hinged at both ends.

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Q222

When a thin cylindrical shell is subjected to an internal pressure, the volumetric strain is (where ε₁ = Hoop strain and ε₂ = Longitudinal strain)

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Q223

The radius of the Mohr’s circle in the given figure is equal to
Strength of Materials mcq question image

Strength of Materials mcq question image

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Q224

According to Euler's column theory, the crippling load of a column is given by

p = \frac{π ^{2} E I}{C l ^{2}} .

In this equation, the value of ‘C’ for a column with both ends hinged, is

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Q225

A double strap butt joint with equal straps is

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Q226

The product of the tangential force acting on the shaft and its distance from the axis of the shaft (i.e. radius of shaft) is known as

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Q227

Two shafts 'A' and 'B' have the same material. The shaft 'A' is solid of diameter 100 mm. The shaft 'B' is hollow with outer diameter 100 mm and inner diameter 50 mm. The torque transmitted by shaft 'B' is __________ as that of shaft 'A'.

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Q228

Two closely coiled helical springs 'A' and 'B' are equal in all respects but the diameter of wire of spring 'A' is double that of spring 'B' The stiffness of spring 'B' will be __________ that of spring 'A'

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Q229

When a column is subjected to an eccentric load, the stress induced in the column will be

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Q230

A beam encastered at both the ends is called

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Q231

The shear force diagram for a cantilever beam of length l and carrying a gradually varying load from zero at free end and w per unit length at the fixed end is a

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Q232

In a thin cylindrical shell subjected to an internal pressure p, the ratio of longitudinal stress to the hoop stress is

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Q233

The property of a material by virtue of which a body returns to its original, shape after removal of the load is called

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Q234

The hoop stress in a riveted cylindrical shell of diameter (d), thickness (t) and subjected to an internal pressure (p) is (where

η

= Efficiency of the riveted joint)

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Q235

The neutral axis of a transverse section of a beam passes through the centre of gravity of the section and is

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Q236

In spring balances, the spring is used

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Q237

The design of thin cylindrical shells is based on

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Q238

A shaft of diameter D is subjected to a twisting moment (T) and a bending moment (M). If the maximum bending stress is equal to maximum shear stress developed, then M is equal to

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Q239

In the above question, the normal stress on an oblique section will be maximum, when θ is equal to

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Q240

A column is said to be a short column, when

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