Engineering Mechanics The moment of inertia of a square of side (a) about an axis through its center of gravity is a4/12 a4/8 a4/36 a4/4 a4/12 a4/8 a4/36 a4/4 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The maximum efficiency of a screw jack is (1 - tanφ)/(1 + tanφ) (1 + sinφ)/(1 - sinφ) (1 - sinφ)/(1 + sinφ) (1 + tanφ)/(1 - tanφ) (1 - tanφ)/(1 + tanφ) (1 + sinφ)/(1 - sinφ) (1 - sinφ)/(1 + sinφ) (1 + tanφ)/(1 - tanφ) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics For a self locking machine, the efficiency must be Greater than 50% 1 Equal to 50% Less than 50% Greater than 50% 1 Equal to 50% Less than 50% ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Coefficient of friction depends upon None of these Nature of surface only Area of contact only Both (A) and (B) None of these Nature of surface only Area of contact only Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics From a circular plate of diameter 6 cm is cut out a circle whose diameter is a radius of the plate. Find the e.g. of the remainder from the centre of circular plate 2.5 cm 0.5 cm 1.0 cm 1.5 cm 2.5 cm 0.5 cm 1.0 cm 1.5 cm ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics According to the law of moments, if a number of coplanar forces acting on a particle are in equilibrium, then Their algebraic sum is zero Their lines of action are at equal distances The algebraic sum of their moments about any point in their plane is zero The algebraic sum of their moments about any point is equal to the moment of their resultant force about the same point Their algebraic sum is zero Their lines of action are at equal distances The algebraic sum of their moments about any point in their plane is zero The algebraic sum of their moments about any point is equal to the moment of their resultant force about the same point ANSWER DOWNLOAD EXAMIANS APP
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