Applied Mechanics and Graphic Statics The condition of equilibrium for any system of forces in a plane is None of these That resultant couple must be zero Both (A) and (B) That polygon of forces must close None of these That resultant couple must be zero Both (A) and (B) That polygon of forces must close ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The piston of a steam engine moves with a simple harmonic motion. The crank rotates 120 r.p.m. and the stroke length is 2 meters. The linear velocity of the piston when it is at a distance of 0.5 metre from the centre, is 12.88 m/sec 8.88 m/sec 5.88 m/sec 10.88 m/sec 12.88 m/sec 8.88 m/sec 5.88 m/sec 10.88 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A retarding force on a body does not Retard the motion of the body None of these Introduce the motion of the body Change the motion of the body Retard the motion of the body None of these Introduce the motion of the body Change the motion of the body ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Kinetic friction may be defined as Friction force acting when the body is just about to move Friction force acting when the body is in motion Angle between normal reaction and resultant of normal reaction and limiting friction Ratio of limiting friction and normal reaction Friction force acting when the body is just about to move Friction force acting when the body is in motion Angle between normal reaction and resultant of normal reaction and limiting friction Ratio of limiting friction and normal reaction ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Free body diagram is an Isolated joint with all the forces, internal as well as external, acting on it Isolated joint with internal forces acting on it Isolated joint with only body forces acting on it None of these Isolated joint with all the forces, internal as well as external, acting on it Isolated joint with internal forces acting on it Isolated joint with only body forces acting on it None of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics In a simple screw jack, the pitch of the screw is 9 mm and length of the handle operating the screw is 45 cm. The velocity ratio of the system is 314 5 1.5 25 314 5 1.5 25 ANSWER DOWNLOAD EXAMIANS APP