Engineering Mechanics Moment of inertia of a rectangular section having width (b) and depth (d) about an axis passing through its C.G. and parallel to the depth (d), is db³/36 db³/12 bd³/12 bd³/36 db³/36 db³/12 bd³/12 bd³/36 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The horizontal range of a projectile (R) is given by R = u² sin2α/g R = u² cos2α/g R = u² sinα/g R = u² cosα/g R = u² sin2α/g R = u² cos2α/g R = u² sinα/g R = u² cosα/g ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The maximum mechanical advantage of a lifting machine is m 1 / m 1 + m 1 - m m 1 / m 1 + m 1 - m ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The angle between two forces when the resultant is maximum and minimum respectively are 0° and 180° 180° and 0° 90° and 180° 90° and 0° 0° and 180° 180° and 0° 90° and 180° 90° and 0° ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity ratio of a single purchase crab winch can be increased by All of these Increasing the number of teeth of the pinion Increasing the length of the handle Increasing the radius of the load drum All of these Increasing the number of teeth of the pinion Increasing the length of the handle Increasing the radius of the load drum 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. Increase Not be effected None of these Decrease Increase Not be effected None of these Decrease ANSWER DOWNLOAD EXAMIANS APP