Engineering Mechanics A screw jack used for lifting the loads is A non-reversible machine An ideal machine None of these A reversible machine A non-reversible machine An ideal machine None of these A reversible machine ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A force while acting on a body may Balance the forces, already acting on it Give rise to the internal stresses in it Change its motion All of these Balance the forces, already acting on it Give rise to the internal stresses in it Change its motion All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Two like parallel forces are acting at a distance of 24 mm apart and their resultant is 20 N. It the line of action of the resultant is 6 mm from any given force, the two forces are 15 N and 5 N 20 N and 5 N 15 N and 15 N None of these 15 N and 5 N 20 N and 5 N 15 N and 15 N None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A framed structure is imperfect, if the numbers of members are __________ (2j - 3). Less than Greater than Either (B) or (C) Equal to Less than Greater than Either (B) or (C) Equal to ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The static friction All of these Bears a constant ratio to the normal reaction between the two surfaces Always acts in a direction, opposite to that in which the body tends to move Is independent of the area of contact, between the two surfaces All of these Bears a constant ratio to the normal reaction between the two surfaces Always acts in a direction, opposite to that in which the body tends to move Is independent of the area of contact, between the two surfaces ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The maximum height of a projectile on a horizontal plane, is u² sin²α/g u² sin²α/2g u² cos²α/2g u² cos²α/g u² sin²α/g u² sin²α/2g u² cos²α/2g u² cos²α/g ANSWER DOWNLOAD EXAMIANS APP