Engineering Mechanics If rain is falling in the opposite direction of the movement of a pedestrian, he has to hold his umbrella More inclined when moving Less inclined when standing More inclined when standing Less inclined when moving More inclined when moving Less inclined when standing More inclined when standing Less inclined when moving ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The linear acceleration (a) of a body rotating along a circular path of radius (r) with an angular acceleration of α rad/s2, is None of these a = r / α a = α/ r a = α.r None of these a = r / α a = α/ r a = α.r ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Tension in the cable supporting a lift is more when the lift is moving __________ with an acceleration. Downwards None of these Horizontal Upwards Downwards None of these Horizontal Upwards ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity ratio of a single purchase crab winch can be increased by Increasing the number of teeth of the pinion All of these Increasing the length of the handle Increasing the radius of the load drum Increasing the number of teeth of the pinion All of these Increasing the length of the handle Increasing the radius of the load drum ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The maximum frictional force, which comes into play, when a body just begins to slide over the surface of the other body, is known as Coefficient of friction Dynamic friction Static friction Limiting friction Coefficient of friction Dynamic friction Static friction Limiting friction ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics For a self locking machine, the efficiency must be Less than 50% Equal to 50% Greater than 50% 1 Less than 50% Equal to 50% Greater than 50% 1 ANSWER DOWNLOAD EXAMIANS APP