MoM Quiz

The slope of the stress-strain curve in the elastic deformation region is ____________

• Elastic modulus

• Plastic modulus

• Poisson’s ratio

• None of the mentioned

Which of the following material is more elastic?

• Rubber

• Glass

• Steel

• Wood

Sagging, the bending moment occurs at the _____ of the beam.

• At supports

• Mid span

• Point of contraflexure

• Point of emergence

The reaction and bending moment at point A of the cantilever beam are:

• R_A = 30 kN and M_A = -115kNm

• R_A = 0 kN and M_A = -115kNm

• R_A = 25 kN and M_A = -125kNm

• R_A = 30 kN and M_A = 0 kNm

Consider a 250mmx15mmx10mm steel bar which is free to expand is heated from 15C to 40C. what will be developed?

• Compressive stress

• Tensile stress

• Shear stress

• No stress

At ________ the shearing stress in a beam are maximum.

• Extreme fibres

• Modulus of section

• Neutral axis

• Along the cross-sectional area

Mathematically, strain energy = _________

• Power

• Young’s Modulus

• Work done

• Energy

The Rankine formula holds good for

• Short column

• Long column

• Medium column

• Both Long and Short column

The product of the tangential force acting on the shaft and radius of shaft known as

• Torsional rigidity

• Flexural rigidity

• Bending moment

• Twisting moment

 In cantilever beam, slope and deflection at free end is _____

• Zero

• Maximum

• Minimum

• None of above