Applied Mechanics and Graphic Statics The condilion for a lifting machine to be reversible is that its efficiency should be equal to 100% less than 50% more than 50% more than 66.67% equal to 100% less than 50% more than 50% more than 66.67% ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A satellite moves in its orbit around the earth due to Gravitational force Centripetal force Centrifugal force None of these Gravitational force Centripetal force Centrifugal force None of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A string of length 90 cm is fastened to two points ‘A’ and ‘B’ at the same level 60 cm apart. A ring weighing 120 g is slided on the string. A horizontal force ‘P’ is applied to the ring such that it is in equilibrium vertically below ‘B’. The value of ‘P’ is: 40 g 100 g 80 g 60 g 40 g 100 g 80 g 60 g ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Minimum pull in a suspended cable with supports at two ends is equal to Horizontal thrust Half the weight of the cable Support reactions Resultant of horizontal thrust and support reaction Horizontal thrust Half the weight of the cable Support reactions Resultant of horizontal thrust and support reaction ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the radius of the earth is 600 km the height of a mountain above sea level at the top of which a beat seconds pendulum at sea level, looses 27 seconds a day, is 1500 meters 1000 meters 2000 meters 500 meters 1500 meters 1000 meters 2000 meters 500 meters ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics One end of a light string 4 m in length is fixed to a point on a smooth wall and the other end fastened to a point on the surface of a smooth sphere of diameter 2.25 m and of weight 100 kg. The reaction between the sphere and the wall of the arrangement made is 102.5 kg 110 kg 105.5 kg 108.5 kg 102.5 kg 110 kg 105.5 kg 108.5 kg ANSWER DOWNLOAD EXAMIANS APP