Engineering Mechanics A screw jack used for lifting the loads is A non-reversible machine None of these A reversible machine An ideal machine A non-reversible machine None of these A reversible machine An ideal machine ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a thin disc of mass ‘m’ and radius ‘r’, about an axis through its center of gravity and perpendicular to the plane of the disc is mr²/2 mr²/4 mr²/8 mr²/6 mr²/2 mr²/4 mr²/8 mr²/6 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 ml2/12 ml2/4 ml2/8 ml2/ 6 ml2/12 ml2/4 ml2/8 ml2/ 6 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics In order to completely specify angular displacement by a vector, it must fix Magnitude of angular displacement Sense of angular displacement All of these Direction of the axis of rotation Magnitude of angular displacement Sense of angular displacement All of these Direction of the axis of rotation ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Whenever a force acts on a body and the body undergoes a displacement, then Power is being transmitted Work is said to be done None of these Body has kinetic energy of translation Power is being transmitted Work is said to be done None of these Body has kinetic energy of translation ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics In ideal machines, mechanical advantage is __________ velocity ratio. Greater than None of these Less than Equal to Greater than None of these Less than Equal to ANSWER DOWNLOAD EXAMIANS APP
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