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 If a given force (or a given system of forces) acting on a body __________ the position of the body, but keeps it in equilibrium, then its effect is to produce internal stress in the body. Changes periodically Does not change None of these Change Changes periodically Does not change None of these Change ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The overturning of a vehicle on a level circular path can be avoided if the velocity of vehicle is __________ √(gra/h) Greater than Less than None of these Equal to Greater than Less than None of these Equal to ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Center of gravity of a thin hollow cone lies on the axis at a height of One-half of the total height above base One-fourth of the total height above base Three-eighth of the total height above the base One-third of the total height above base One-half of the total height above base One-fourth of the total height above base Three-eighth of the total height above the base One-third of the total height above base ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics According to the law of moments, if a number of coplanar forces acting on a particle are in equilibrium, then Their algebraic sum is zero The algebraic sum of their moments about any point in their plane is zero The algebraic sum of their moments about any point is equal to the moment of their resultant force about the same point Their lines of action are at equal distances Their algebraic sum is zero The algebraic sum of their moments about any point in their plane is zero The algebraic sum of their moments about any point is equal to the moment of their resultant force about the same point Their lines of action are at equal distances ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A cable with a uniformly distributed load per horizontal meter run will take the following shape Hyperbola Straight line Elliptical Parabola Hyperbola Straight line Elliptical Parabola ANSWER DOWNLOAD EXAMIANS APP