Theory of Machine The natural frequency of free torsional vibrations of a shaft is equal to (where q = Torsional stiffness of the shaft, and I = Mass moment of inertia of the disc attached at the end of a shaft) 1/2π 2π qI (1/2π). √(q/I) 2π. √(q/I) 1/2π 2π qI (1/2π). √(q/I) 2π. √(q/I) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In the below figure, PC is the connecting rod and OC is the crank making an angle θ with the line of stroke PO and rotates with uniform angular velocity at ω rad/s. The Klien's acceleration diagram for determining the acceleration of the piston P is shown by quadrilateral CQNO. The acceleration of the piston P with respect to the crank-pin C is given by ω² × CN ω² × QN ω² × NO ω² × CO ω² × CN ω² × QN ω² × NO ω² × CO ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A higher pair has__________. None of these Point contact No contact Surface contact None of these Point contact No contact Surface contact ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In Meyer's expansion valve, the expansion valve is driven by an eccentric having an angle of advance from 80°- 90° 60°-70° 70°- 80° 50°- 60° 80°- 90° 60°-70° 70°- 80° 50°- 60° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a ball bearing, ball and bearing forms a Rolling pair Spherical pair Screw pair Turning pair Rolling pair Spherical pair Screw pair Turning pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of a particle moving with simple harmonic motion, at any instant is given by (where ω = Displacement of the particle from mean position) ω √(r² - x²) ω² √(r² - x²) ω √(x² - r²) ω² √(x² - r²) ω √(r² - x²) ω² √(r² - x²) ω √(x² - r²) ω² √(x² - r²) ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS