Engineering Mechanics Efficiency of a screw jack is given by (where α = Helix angle, and φ = Angle of friction.) tanα/tan (α + φ) tan(α + φ)/tanα None of these tan(α - φ)/tanα tanα/tan (α + φ) tan(α + φ)/tanα None of these tan(α - φ)/tanα ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The center of percussion of a solid cylinder of radius ‘r’ resting on a horizontal plane will be 3r/2 r/2 r/A 2r/3 3r/2 r/2 r/A 2r/3 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A framed structure is perfect, if the number of members are __________ (2j - 3), where j is the number of joints. Less than Greater than Equal to None of these Less than Greater than Equal to None of these 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 0.5 cm 2.5 cm 1.0 cm 1.5 cm 0.5 cm 2.5 cm 1.0 cm 1.5 cm ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If the gravitational acceleration at any place is doubled, then the weight of a body will be √2.g 2g g g/2 √2.g 2g g g/2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A particle moves along a straight line such that distance (x) traversed in 't' seconds is given by x = t² (t - 4), the acceleration of the particle will be given by the equation 6t² - 8t 6f - 8 6f - 4 3t² + 2t 6t² - 8t 6f - 8 6f - 4 3t² + 2t ANSWER DOWNLOAD EXAMIANS APP
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