Engineering Mechanics A machine having an efficiency less than 50%, is known as Non-reversible machine Neither reversible nor non-reversible machine Reversible machine Ideal machine Non-reversible machine Neither reversible nor non-reversible machine Reversible machine Ideal machine ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The coefficient of friction depends upon All of these Shape of the surfaces Area of contact Nature of surfaces All of these Shape of the surfaces Area of contact Nature of surfaces ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If the number of pulleys in a system is equal to its velocity ratio, then it is a __________ system of pulleys. First Second Third None of these First Second Third None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The maximum height of a projectile on a horizontal plane, is u² sin²α/g u² sin²α/2g u² cos²α/g u² cos²α/2g u² sin²α/g u² sin²α/2g u² cos²α/g u² cos²α/2g 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 1.5 cm 0.5 cm 1.0 cm 2.5 cm 1.5 cm 0.5 cm 1.0 cm 2.5 cm ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The rate of doing work is known as None of these Kinetic energy Potential energy Power None of these Kinetic energy Potential energy Power ANSWER DOWNLOAD EXAMIANS APP
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