Engineering Mechanics The impact between two lead spheres is approximately equal to an __________ impact. Inelastic Solid Elastic None of these Inelastic Solid Elastic None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Which of the following statement is incorrect? A machine whose efficiency is 100% is known as an ideal machine A force acting in the opposite direction to the motion of the body is called force of friction The ratio of the limiting friction to the normal reaction is called coefficient of friction The velocity ratio of a machine is the ratio of load lifted to the effort applied A machine whose efficiency is 100% is known as an ideal machine A force acting in the opposite direction to the motion of the body is called force of friction The ratio of the limiting friction to the normal reaction is called coefficient of friction The velocity ratio of a machine is the ratio of load lifted to the effort applied ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The static friction Is independent of the area of contact, between the two surfaces Always acts in a direction, opposite to that in which the body tends to move Bears a constant ratio to the normal reaction between the two surfaces All of these Is independent of the area of contact, between the two surfaces Always acts in a direction, opposite to that in which the body tends to move Bears a constant ratio to the normal reaction between the two surfaces All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The ratio of static friction to dynamic friction is always Greater than one None of these Less than one Equal to one Greater than one None of these Less than one Equal to one ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The maximum velocity of a particle moving with simple harmonic motion is ω ω2r ωr ω/r ω ω2r ωr ω/r ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity ratio of a single purchase crab winch can be increased by Increasing the radius of the load drum Increasing the length of the handle All of these Increasing the number of teeth of the pinion Increasing the radius of the load drum Increasing the length of the handle All of these Increasing the number of teeth of the pinion ANSWER DOWNLOAD EXAMIANS APP