Engineering Mechanics The moment of inertia of a thin spherical shell of mass m and radius r, about its diameter is mr²/3 3mr²/5 2mr²/3 2mr²/5 mr²/3 3mr²/5 2mr²/3 2mr²/5 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A machine having an efficiency greater than 50%, is known as Non-reversible machine Ideal machine Neither reversible nor non-reversible machine Reversible machine Non-reversible machine Ideal machine Neither reversible nor non-reversible machine Reversible machine ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Whenever a force acts on a body and the body undergoes a displacement, then Power is being transmitted None of these Work is said to be done Body has kinetic energy of translation Power is being transmitted None of these Work is said to be done Body has kinetic energy of translation ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The centre of gravity a T-section 100 mm × 150 mm × 50 mm from its bottom is 75 mm 87.5 mm 50 mm 125 mm 75 mm 87.5 mm 50 mm 125 mm ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics In a screw jack, the effort required to lift the load is given by (where W = Load lifted, α = Helix angle, and φ = Angle of friction.) P = W tan (α + φ) P = W cos (α + φ) P = W tan (φ - α) P = W tan (α - φ) P = W tan (α + φ) P = W cos (α + φ) P = W tan (φ - α) P = W tan (α - φ) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The motion of a particle round a fixed axis is Translatory as well as rotary Rotary Translatory Circular Translatory as well as rotary Rotary Translatory Circular ANSWER DOWNLOAD EXAMIANS APP
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