Engineering Mechanics The periodic time (T) is given by (where, ω = Angular velocity of particle in rad/s.) π/ω 2π/ω 2π × ω ω/2π π/ω 2π/ω 2π × ω ω/2π ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Which of the following statement is incorrect? A force acting in the opposite direction to the motion of the body is called force of friction 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 machine whose efficiency is 100% is known as an ideal machine A force acting in the opposite direction to the motion of the body is called force of friction 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 machine whose efficiency is 100% is known as an ideal machine ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Non-coplanar non-concurrent forces are those forces which Meet at one point, but their lines of action do not lie on the same plane Do not meet at one point but their lines of action lie on the same plane None of these Do not meet at one point and their lines of action do not lie on the same plane Meet at one point, but their lines of action do not lie on the same plane Do not meet at one point but their lines of action lie on the same plane None of these Do not meet at one point and their lines of action do not lie on the same plane ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A framed structure is imperfect, if the numbers of members are __________ (2j - 3). Equal to Less than Greater than Either (B) or (C) Equal to Less than Greater than Either (B) or (C) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The acceleration of a body sliding down an inclined surface is g cosθ None of these g sinθ g tanθ g cosθ None of these g sinθ g tanθ ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Coplanar non-concurrent forces are those forces which __________ at one point, but their lines of action lie on the same plane. Meet Either ‘A’ or ‘B’ None of these Do not meet Meet Either ‘A’ or ‘B’ None of these Do not meet ANSWER DOWNLOAD EXAMIANS APP
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