Engineering Mechanics If n = number of members and y = number of joints, then for a perfect frame, n = ? 43832 43892 43864 43865 43832 43892 43864 43865 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The range of projectile will be maximum for a given velocity of projectile, when the angle of projection (α) is 45° + β/2 60° + β/2 30° + β/2 β/2 45° + β/2 60° + β/2 30° + β/2 β/2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A block of mass 20 kg lying on a rough horizontal plane is connected by a light string passing over a smooth pulley to another mass 5 kg, which can move freely in the Vertical direction, as shown in the below figure. The tension in the string will ___________ with the increase in coefficient of friction. None of these Not be effected Increase Decrease None of these Not be effected Increase Decrease ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics In a screw jack, the effort required to lower the load is __________ the effort required to raise the same load. None of these Less than More than Equal to None of these Less than More than Equal to ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The angular velocity (in rad/s) of a body rotating at N revolutions per minute is 2πN/180 2πN/60 πN/60 πN/180 2πN/180 2πN/60 πN/60 πN/180 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If a body is acted upon by a number of coplanar non-concurrent forces, it may Move in any one direction rotating about itself All of these Be completely at rest Rotate about itself without moving Move in any one direction rotating about itself All of these Be completely at rest Rotate about itself without moving ANSWER DOWNLOAD EXAMIANS APP