Theory of Machine Which of the following mechanism is obtained from lower pair? Gyroscope All of these Valve and valve gears Pantograph Gyroscope All of these Valve and valve gears Pantograph ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The acceleration of a flat-faced follower when it has contact with the flank of a circular arc cam, is given by ω² (R - r₁) sinθ ω² r₁ sinθ ω² R cosθ ω² (R - r₁) cosθ ω² (R - r₁) sinθ ω² r₁ sinθ ω² R cosθ ω² (R - r₁) cosθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a flat pivot bearing, assuming uniform wear, is (Where μ = Coefficient of friction, W=Load over the bearing, R=Radius of bearing) ½μWR ¾μWR μwr ²/₃ μWR ½μWR ¾μWR μwr ²/₃ μWR ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Frequency of vibrations is usually expressed in Number of cycles per second None of these Number of cycles per hour Number of cycles per minute Number of cycles per second None of these Number of cycles per hour Number of cycles per minute ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following would constitute a link? Piston rod and cross head Piston and piston rod Piston, piston rod and cross head Piston, crank pin and crank shaft Piston rod and cross head Piston and piston rod Piston, piston rod and cross head Piston, crank pin and crank shaft ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When two links are connected by a pin joint, their instantaneous center lies On their point of contact At the center of curvature At the center of circle At the pin joint On their point of contact At the center of curvature At the center of circle At the pin joint ANSWER DOWNLOAD EXAMIANS APP
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