Engineering Mechanics The periodic time (T) is given by (where, ω = Angular velocity of particle in rad/s.) π/ω 2π × ω ω/2π 2π/ω π/ω 2π × ω ω/2π 2π/ω ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Which of the following statement is incorrect? The velocity ratio of a machine is the ratio of load lifted to the effort applied The ratio of the limiting friction to the normal reaction is called coefficient of friction A force acting in the opposite direction to the motion of the body is called force of friction A machine whose efficiency is 100% is known as an ideal machine The velocity ratio of a machine is the ratio of load lifted to the effort applied The ratio of the limiting friction to the normal reaction is called coefficient of friction A force acting in the opposite direction to the motion of the body is called force of friction A machine whose efficiency is 100% is known as an ideal machine ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics One kg force is equal to 12 N 9.8 N 8.9 N 7.8 N 12 N 9.8 N 8.9 N 7.8 N ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The angular velocity (in rad/s) of a body rotating at N revolutions per minute is 2πN/60 2πN/180 πN/180 πN/60 2πN/60 2πN/180 πN/180 πN/60 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The rate of doing work is known as Kinetic energy Potential energy None of these Power Kinetic energy Potential energy None of these Power ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Moment of inertia of a circular section about its diameter (d) is πd3/16 πd4/32 πd3/32 πd4/64 πd3/16 πd4/32 πd3/32 πd4/64 ANSWER DOWNLOAD EXAMIANS APP