Engineering Mechanics The periodic time (T) is given by (where, ω = Angular velocity of particle in rad/s.) 2π × ω π/ω ω/2π 2π/ω 2π × ω π/ω ω/2π 2π/ω ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a thin rod of mass 'm' and length 'l', about an axis through its centre of gravity and perpendicular to its length is ml2/ 6 ml2/4 ml2/8 ml2/12 ml2/ 6 ml2/4 ml2/8 ml2/12 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics One joule is equal to 1 N-m 0.1 N-m 100 N-m 10 N-m 1 N-m 0.1 N-m 100 N-m 10 N-m ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics An ideal machine is one whose efficiency is 1 Between 60 and 70 % Between 70 and 80% Between 80 and 90% 1 Between 60 and 70 % Between 70 and 80% Between 80 and 90% 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 The moment of inertia of a solid sphere of mass ‘m’ and radius ‘r’ is mr² mr²/2 2mr²/5 2mr²/3 mr² mr²/2 2mr²/5 2mr²/3 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS