Applied Mechanics and Graphic Statics Maximum efficiency of a screw jack for the angle of friction θ, is (1 + sin θ)/(1 - sin θ) (1 - sin θ)/(1 + sin θ) sin θ/(1 + sin θ) (1 - sin θ)/sin θ (1 + sin θ)/(1 - sin θ) (1 - sin θ)/(1 + sin θ) sin θ/(1 + sin θ) (1 - sin θ)/sin θ ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics In SI units, the units of force and energy are respectively Dyne and erg Newton and watt Newton and joule kg wt and joule Dyne and erg Newton and watt Newton and joule kg wt and joule ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A system of coplanar forces acting on a rigid body can be reduced to None of these One couple only One force only One force and one couple only None of these One couple only One force only One force and one couple only ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The ratio of the speed of a rolling cylinder to the speed of sliding cylinder is Between 1 and 2 Greater than 2 Equal to 1 Less than 1 Between 1 and 2 Greater than 2 Equal to 1 Less than 1 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Newton's law of Collision of elastic bodies states that when two moving bodies collide each other, their velocity of separation Is inversely proportional to their velocity of approach Bears a constant ratio to their velocity of approach Is directly proportional to their velocity of approach Is equal to the sum of their velocities of approach Is inversely proportional to their velocity of approach Bears a constant ratio to their velocity of approach Is directly proportional to their velocity of approach Is equal to the sum of their velocities of approach ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A vehicle weighing w kg is to run on a circular curve of radius r. If the height of its centre of gravity above the road level is h and the distance between the centres of wheels is 2a, the maximum velocity, in order to avoid over turning, will be √(gra/h) ∛(gra/h) 4√(gra/h) gra/h √(gra/h) ∛(gra/h) 4√(gra/h) gra/h ANSWER DOWNLOAD EXAMIANS APP