Engineering Mechanics In ideal machines, mechanical advantage is __________ velocity ratio. None of these Less than Greater than Equal to None of these Less than Greater than Equal to ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The ratio of static friction to dynamic friction is always Greater than one Less than one Equal to one None of these Greater than one Less than one Equal to one None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If the number of pulleys in a system is equal to its velocity ratio, then it is a __________ system of pulleys. Third First None of these Second Third First None of these Second 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. Not be effected Decrease None of these Increase Not be effected Decrease None of these Increase ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If tension in the cable supporting a lift moving downwards is half the tension when it is moving upwards, the acceleration of the lift is g/4 g/3 g/2 None of these g/4 g/3 g/2 None of these ANSWER DOWNLOAD EXAMIANS APP
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