Engineering Mechanics The center of percussion of a solid cylinder of radius ‘r’ resting on a horizontal plane will be r/A r/2 2r/3 3r/2 r/A r/2 2r/3 3r/2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Efficiency of a screw jack is given by (where α = Helix angle, and φ = Angle of friction.) tan(α + φ)/tanα tanα/tan (α + φ) None of these tan(α - φ)/tanα tan(α + φ)/tanα tanα/tan (α + φ) None of these tan(α - φ)/tanα ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The ratio of static friction to dynamic friction is always Equal to one None of these Greater than one Less than one Equal to one None of these Greater than one Less than one ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Moment of inertia of a circular section about its diameter (d) is πd3/32 πd4/64 πd3/16 πd4/32 πd3/32 πd4/64 πd3/16 πd4/32 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The slope on the road surface generally provided on the curves is known as Angle of repose Angle of banking Angle of friction None of these Angle of repose Angle of banking Angle of friction None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The centre of gravity a T-section 100 mm × 150 mm × 50 mm from its bottom is 50 mm 87.5 mm 75 mm 125 mm 50 mm 87.5 mm 75 mm 125 mm ANSWER DOWNLOAD EXAMIANS APP
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