Applied Mechanics and Graphic Statics In a simple screw jack, the pitch of the screw is 9 mm and length of the handle operating the screw is 45 cm. The velocity ratio of the system is 1.5 5 314 25 1.5 5 314 25 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The condilion for a lifting machine to be reversible is that its efficiency should be more than 66.67% equal to 100% more than 50% less than 50% more than 66.67% equal to 100% more than 50% less than 50% ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics When a body moves round a fixed axis, it has A translatory A rotary motion A rotary motion and translatory motion A circular motion A translatory A rotary motion A rotary motion and translatory motion A circular motion 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 2P sin θ/2 P tan θ/2 P cos θ/2 2P cos θ/2 2P sin θ/2 P tan θ/2 P cos θ/2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A projectile is thrown at an angle ‘α’ to the horizontal with velocity ‘v’. It will have the maximum centripetal acceleration As it strikes the ground At the start Elsewhere At the top of the trajectory As it strikes the ground At the start Elsewhere At the top of the trajectory 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) (5/7) g sin0 (3/7) g sin 0 (2/5) g sin 0 (1/3) g sin0 (5/7) g sin0 (3/7) g sin 0 (2/5) g sin 0 (1/3) g sin0 ANSWER DOWNLOAD EXAMIANS APP
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