Applied Mechanics and Graphic Statics The condilion for a lifting machine to be reversible is that its efficiency should be more than 50% equal to 100% less than 50% more than 66.67% more than 50% equal to 100% less than 50% more than 66.67% ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A trolley wire weighs 1 kg per metre length. The ends of the wire are attached to two poles 20 m apart. If the horizontal tension is 1000 kg, the central dip of the cable is 3 cm 2 cm 5 cm 4 cm 3 cm 2 cm 5 cm 4 cm ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The centre of gravity of a triangle is at the point where three None of these Perpendicular bisectors of the sides of the triangle meet Bisectors of the angle of the triangle meet Medians of the triangle meet None of these Perpendicular bisectors of the sides of the triangle meet Bisectors of the angle of the triangle meet Medians of the triangle meet ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A uniform rod 9 m long weighing 40 kg is pivoted at a point 2 m from one end where a weight of 120 kg is suspended. The required force acting at the end in a direction perpendicular to rod to keep it equilibrium, at an inclination 60° with horizontal, is 100 kg 10 kg 40 kg 60 kg 100 kg 10 kg 40 kg 60 kg ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The angle of projection for a range is equal to the distance through which the particle would have fallen in order to acquire a velocity equal to the velocity of projection, will be 45° 30° 60° 75° 45° 30° 60° 75° ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A ladder of weight 'w' rests against a smooth vertical wall, and rests on rough horizontal ground, the coefficient of friction between the ladder and the ground being 1/4. The maximum angle of inclination of the ladder to the vertical, if a man of weight 'w' is to walk to the top of it safely, is tan'1 x, where x is 4 1/3 1/4 3 4 1/3 1/4 3 ANSWER DOWNLOAD EXAMIANS APP
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