Applied Mechanics and Graphic Statics A Second's pendulum gains 2 minutes a day. To make it to keep correct time its length Is not changed but weight of the bob is increased Must be increased Must be decreased Is not changed but weight of the bob is decreased Is not changed but weight of the bob is increased Must be increased Must be decreased Is not changed but weight of the bob is decreased ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The following is not a law of static friction: The force of friction is dependent upon the area of contact The magnitude of the limiting friction bears a constant ratio to the normal reaction between two surfaces The force of friction depends upon the roughness of the surface The force of friction always acts in a direction opposite to that in which the body tends to move The force of friction is dependent upon the area of contact The magnitude of the limiting friction bears a constant ratio to the normal reaction between two surfaces The force of friction depends upon the roughness of the surface The force of friction always acts in a direction opposite to that in which the body tends to move ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Moment of inertia of a squares of side ‘b’ about an axis through its centre of gravity, is b³/4 b⁴/12 b⁴/3 b⁴/8 b³/4 b⁴/12 b⁴/3 b⁴/8 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the kinetic energy and potential energy of a simple harmonic oscillator of amplitude A are both equal to half the total energy, then the displacement is equal to A/√2 A A√2 A/2 A/√2 A A√2 A/2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Maximum efficiency of a screw jack for the angle of friction θ, is (1 - sin θ)/(1 + sin θ) sin θ/(1 + sin θ) (1 + sin θ)/(1 - sin θ) (1 - sin θ)/sin θ (1 - sin θ)/(1 + sin θ) sin θ/(1 + sin θ) (1 + sin θ)/(1 - sin θ) (1 - sin θ)/sin θ ANSWER DOWNLOAD EXAMIANS APP
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 314 25 5 1.5 314 25 5 1.5 ANSWER DOWNLOAD EXAMIANS APP