Applied Mechanics and Graphic Statics The condilion for a lifting machine to be reversible is that its efficiency should be more than 50% more than 66.67% less than 50% equal to 100% more than 50% more than 66.67% less than 50% equal to 100% ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The time period of a simple pendulum depends on(i) Mass of suspended particle(ii) Length of the pendulum(iii) Acceleration due to gravity Both (ii) and (iii) Only (i) Both (i) and (iii) All are correct Both (ii) and (iii) Only (i) Both (i) and (iii) All are correct ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If two forces are in equilibrium, then the forces must(i) Be equal in magnitude(ii) Be opposite in sense(iii) Act along the same line All (i), (ii) and (iii) Only (i) (i) and (ii) (i) and (iii) All (i), (ii) and (iii) Only (i) (i) and (ii) (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The locus of the instantaneous centre of a moving rigid body, is Centroid Involute Straight line Spiral Centroid Involute Straight line Spiral ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If two forces each equal to ‘T’ in magnitude act at right angles, their effect may be neutralized by a third force acting along their bisector in opposite direction whose magnitude will be 3 T √2 T 2 T 1/2 T 3 T √2 T 2 T 1/2 T ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics One end of an elastic string of natural length ‘l’ and modulus ‘X’ is kept fixed while to the other end is attached a particle of mass m which is hanging freely under gravity. The particle is pulled down vertically through a distance ‘x’, held at rest and then released.The motion is A simple harmonic motion None of these A rectilinear motion with constant speed A damped oscillatory motion A simple harmonic motion None of these A rectilinear motion with constant speed A damped oscillatory motion ANSWER DOWNLOAD EXAMIANS APP