Applied Mechanics and Graphic Statics Which of the following is a scalar quantity? Momentum Energy Torque Impulse Momentum Energy Torque Impulse ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The dimensions of power are. M’L’T3 M’L-‘T* M’L’r2 M’L2T2 M’L’T3 M’L-‘T* M’L’r2 M’L2T2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A load of 500 kg was lifted through a distance of 13 cm. by an effort of 25 kg which moved through a distance of 650 cm. The mechanical advantage of the lifting machine is 18 20 15 26 18 20 15 26 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The necessary condition of equilibrium of a body is: Algebraic sum of horizontal components of all the forces must be zero Algebraic sum of vertical components of all the forces must be zero All (A), (B) and (C) Algebraic sum of the moments of the forces about a point must be zero Algebraic sum of horizontal components of all the forces must be zero Algebraic sum of vertical components of all the forces must be zero All (A), (B) and (C) Algebraic sum of the moments of the forces about a point must be zero ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Kinetic friction may be defined as Ratio of limiting friction and normal reaction Friction force acting when the body is just about to move Angle between normal reaction and resultant of normal reaction and limiting friction Friction force acting when the body is in motion Ratio of limiting friction and normal reaction Friction force acting when the body is just about to move Angle between normal reaction and resultant of normal reaction and limiting friction Friction force acting when the body is in motion ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If a body is lying on a plane whose inclination with the horizontal is less than the angle of friction, then i. a force is required to move the body upwards ii. a force is required to move the body downward iii. the body will not be in equilibrium The correct answer is both (i) and (iii) only (ii) only (i) both (i) and (ii) both (i) and (iii) only (ii) only (i) both (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP