Applied Mechanics and Graphic Statics The condition of equilibrium for any system of forces in a plane is That polygon of forces must close Both (A) and (B) That resultant couple must be zero None of these That polygon of forces must close Both (A) and (B) That resultant couple must be zero None of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The practical units of work, is Erg Joule Dyne Newton Erg Joule Dyne Newton ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics On a mass ‘m’ describing a circular path of radius ‘r’, the centrifugal force Acts away from the centre of rotation Is mw2r/g kgf Acts tangentially to the circular path Acts towards the centre of rotation Acts away from the centre of rotation Is mw2r/g kgf Acts tangentially to the circular path Acts towards the centre of rotation ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics In a lifting machine with efficiency 60%, an effort of 200 N is required to raise a load of 6 kN. The velocity ratio of the machine is 60 80 50 30 60 80 50 30 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Two objects moving with uniform speeds are 5 m apart after 1 second when they move towards each other and are 1 m apart when they move in the same direction. The speeds of the objects are: 3 m/sec and 2 m/sec 2 m/sec and 2 m/sec 3 m/sec and 3 m/sec 4 m/sec and 6 m/sec 3 m/sec and 2 m/sec 2 m/sec and 2 m/sec 3 m/sec and 3 m/sec 4 m/sec and 6 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Minimum pull in a suspended cable with supports at two ends is equal to Half the weight of the cable Resultant of horizontal thrust and support reaction Horizontal thrust Support reactions Half the weight of the cable Resultant of horizontal thrust and support reaction Horizontal thrust Support reactions ANSWER DOWNLOAD EXAMIANS APP