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 If the gravitational acceleration at any place is doubled, then the weight of a body will be g √2.g g/2 2g g √2.g g/2 2g ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The angular velocity (in rad/s) of a body rotating at N revolutions per minute is 2πN/180 2πN/60 πN/60 πN/180 2πN/180 2πN/60 πN/60 πN/180 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The resultant of the two forces ‘P’ and ‘Q’ is ‘R’. If ‘Q’ is doubled, the new resultant is perpendicular to ‘P’. Then None of the listed here Q = R Q = 2R P = Q None of the listed here Q = R Q = 2R P = Q ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The maximum efficiency of a lifting machine is m/V.R. V.R./m 1/(m × V.R.) 1/m m/V.R. V.R./m 1/(m × V.R.) 1/m ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A force while acting on a body may Give rise to the internal stresses in it Change its motion Balance the forces, already acting on it All of these Give rise to the internal stresses in it Change its motion Balance the forces, already acting on it All of these ANSWER DOWNLOAD EXAMIANS APP