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)/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/(1 + sin θ) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The units of moment of inertia of an area are m4 kg/m m3 kg/m2 m4 kg/m m3 kg/m2 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 Bears a constant ratio to their velocity of approach Is equal to the sum of their velocities of approach Is directly proportional to their velocity of approach Is inversely proportional to their velocity of approach Bears a constant ratio to their velocity of approach Is equal to the sum of their velocities of approach Is directly proportional to their velocity of approach Is inversely proportional to their velocity of approach ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A cable loaded with 0.5 tonne per horizontal metre span is stretched between supports in the same horizontal line 400 m apart. If central dip is 20 m, the minimum tension in the cable, will be 500 tonnes at the centre 200 tonnes at the centre 200 tonnes at the right support 200 tonnes at the left support 500 tonnes at the centre 200 tonnes at the centre 200 tonnes at the right support 200 tonnes at the left support ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The masses of two balls are in the ratio of 2 : 1 and their respective velocities are in the ratio of 1 : 2 but in opposite direction before impact. If the coefficient of restitution is ½, the velocities of separation of the balls will be equal to Half the original velocity in the same direction Original velocity in the same direction Original velocity in the opposite direction Half the original velocity in the opposite direction Half the original velocity in the same direction Original velocity in the same direction Original velocity in the opposite direction Half the original velocity in the opposite direction ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The centre of gravity of a triangle is at the point where three Bisectors of the angle of the triangle meet Perpendicular bisectors of the sides of the triangle meet Medians of the triangle meet None of these Bisectors of the angle of the triangle meet Perpendicular bisectors of the sides of the triangle meet Medians of the triangle meet None of these ANSWER DOWNLOAD EXAMIANS APP
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