Applied Mechanics and Graphic Statics If a flywheel increases its speed from 10 rpm to 20 rpm in 10 seconds, then its angular acceleration is —rad/sec 30 —rad/sec 20 None of these —rad/sec 10 —rad/sec 30 —rad/sec 20 None of these —rad/sec 10 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)/sin θ (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) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A cube on a smooth horizontal surface Cannot be in stable equilibrium Can be in any of these states Cannot be in neutral equilibrium Cannot be in unstable equilibrium Cannot be in stable equilibrium Can be in any of these states Cannot be in neutral equilibrium Cannot be in unstable equilibrium ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For a simple pendulum, time period for a beat, is π √(l/g) π √(2l/g) π √(l/2g) π √(g/2l) π √(l/g) π √(2l/g) π √(l/2g) π √(g/2l) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics In a lifting machine with efficiency 60%, an effort of 200 N is required to raise a load of 6 kN. The velocity ratio of the machine is 30 60 50 80 30 60 50 80 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The centre of gravity of a triangle is at the point where three None of these Bisectors of the angle of the triangle meet Medians of the triangle meet Perpendicular bisectors of the sides of the triangle meet None of these Bisectors of the angle of the triangle meet Medians of the triangle meet Perpendicular bisectors of the sides of the triangle meet ANSWER DOWNLOAD EXAMIANS APP
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