Engineering Mechanics The static friction All of these Bears a constant ratio to the normal reaction between the two surfaces Is independent of the area of contact, between the two surfaces Always acts in a direction, opposite to that in which the body tends to move All of these Bears a constant ratio to the normal reaction between the two surfaces Is independent of the area of contact, between the two surfaces Always acts in a direction, opposite to that in which the body tends to move ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The efficiency of a lifting machine is the ratio of All of these Mechanical advantage to the velocity ratio Work done by the machine to the work done on the machine Output to the input All of these Mechanical advantage to the velocity ratio Work done by the machine to the work done on the machine Output to the input ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Moment of inertia of a triangular section of base (b) and height (h) about an axis passing through its vertex and parallel to the base, is __________ than that passing through its C.G. and parallel to the base. Four times Six times Two times Nine times Four times Six times Two times Nine times ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A differential pulley block has larger and smaller diameters of 100 mm and 80 mm respectively. Its velocity ratio is 40 10 5 20 40 10 5 20 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a sphere of mass 'm' and radius 'r', about an axis tangential to it, is 2mr²/5 7mr²/3 2mr²/3 7mr²/5 2mr²/5 7mr²/3 2mr²/3 7mr²/5 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics In order to double the period of simple pendulum, the length of the string should be None of these Quadrupled Halved Doubled None of these Quadrupled Halved Doubled ANSWER DOWNLOAD EXAMIANS APP