Applied Mechanics and Graphic Statics The condilion for a lifting machine to be reversible is that its efficiency should be more than 66.67% less than 50% equal to 100% more than 50% more than 66.67% less than 50% equal to 100% more than 50% ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics One end of an elastic string of natural length / 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 a damped oscillatory motion None of these a rectilinear motion with constant speed a simple harmonic motion a damped oscillatory motion None of these a rectilinear motion with constant speed ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics When a body falls freely under gravitational force, it possesses No weight Minimum weight Maximum weight No effect on its weight No weight Minimum weight Maximum weight No effect on its weight ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If two equal forces of magnitude ‘P’ act at an angle ‘θ’, their resultant, will be 2P cos θ/2 P cos θ/2 2P sin θ/2 P tan θ/2 2P cos θ/2 P cos θ/2 2P sin θ/2 P tan θ/2 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 √2 T 1/2 T 2 T 3 T √2 T 1/2 T 2 T 3 T ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The beam shown in below figure is supported by a hinge at ‘A’ and a roller at ‘B’. The reaction RA of the hinged support ‘A’ of the beam, is 10.4 t 10.6 t 10.8 t 10.2 t 10.4 t 10.6 t 10.8 t 10.2 t ANSWER DOWNLOAD EXAMIANS APP
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