From a circular plate of diameter 6 cm is cut out a circle whose diameter is a radius of the plate. Find the e.g. of the remainder from the center of circular plate___________________?
(A) 0.5 cm
(B) 1.0 cm
(C) 1.5 cm
(D) 2.5 cm
(D) 0.25 cm
A heavy string attached at two ends at same horizontal level and when central dip is very small approaches the following curve___________________?
(A) catenary
(B) parabola
(C) hyperbola
(D) elliptical
(D) circular arc
The units of moment of inertia of mass are_____________________?
(A) kg m2
(B) m4
(C) kg/m2
(D) kg/m
(D) m2/kg
Center of gravity of a thin hollow cone lies on the axis at a height of________________?
(A) one-fourth of the total height above base
(B) one-third of the total height above base
(C) one-half of the total height above base
(D) three-eighth of the total height above the base
(D) none of the above
Center of gravity of a solid cone lies on the axis at the height_______________?
(A) one-fourth of the total height above base
(B) one-third of the total height above base
(C) one-half of the total height above base
(D) three-eighth of the total height above the base
(D) none of the above
In detennining stresses in frames by methods of sections, the frame is divided into two parts by an imaginary section drawn in such a way as not to cut more than___________________?
(A) two members with unknown forces of the frame
(B) three members with unknown forces of the frame
(C) four members with unknown forces of the frame
(D) three members with known forces of the frame
(D) four members with two known forces
A framed structure is perfect if it contains members equal to________________?
(A) 2n-3
(B) n-l
(C) ‘2n-l
(D) n – 2
(D) 3n-2
According to Lami’s theorem________________?
(A) three forces acting at a point will be in equilibrium
(B) three forces acting at a point can be represented by a triangle, each side being proportional to force
(C) if three forces acting upon a particle are represented in magnitude and direction by the sides of a triangle, taken in order, they will be in equilibrium
(D) if three forces acting at a point are in equilibrium, each force is proportional to the sine of the angle between the other two
(D) none of the above
D’ Alembert’s principle is used for___________________?
(A) reducing the problem of kinetics to equivalent statics problem
(B) determining stresses in the truss
(C) stability of floating bodies
(D) designing safe structures
(D) solving kinematic problems
Which of the following is not a vector quantity_______________?
(A) weight
(B) velocity
(C) acceleration
(D) force
(D) moment