Applied Mechanics and Graphic Statics The condilion for a lifting machine to be reversible is that its efficiency should be more than 50% less than 50% equal to 100% more than 66.67% more than 50% less than 50% equal to 100% more than 66.67% ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the given forces P₁, P₂, P₃ and P₄ are such that the force polygon does not close, then the system will Always reduce to a resultant force Both (A) and (C) Be in equilibrium Always reduce to a couple Always reduce to a resultant force Both (A) and (C) Be in equilibrium Always reduce to a couple ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A solid sphere of mass M and radius R rolls down a plane inclined at 0 with the horizontal. The acceleration of sphere is (where g is acceleration due to gravity) (1/3) g sin0 (5/7) g sin0 (2/5) g sin 0 (3/7) g sin 0 (1/3) g sin0 (5/7) g sin0 (2/5) g sin 0 (3/7) g sin 0 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Time required to stop a car moving with a velocity 20 m/sec within a distance of 40 m, is 5 sec 2 sec 4 sec 3 sec 5 sec 2 sec 4 sec 3 sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If two forces acting at a point are in equilibrium, they must be equal in magnitude and their line of action must be along The perpendicular to both the lines The same line in the same sense None of these The same line in opposite sense The perpendicular to both the lines The same line in the same sense None of these The same line in opposite sense ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics From the circular plate of a diameter 6 cm is cut out a circular plate whose diameter is equal to radius of the plate. The C.G. of the remainder shifts from the original position through 0.50 cm 1.00 cm 0.25 cm 0.75 cm 0.50 cm 1.00 cm 0.25 cm 0.75 cm ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS