Theory of Machine If ω/ωn is very high for a body vibrating under steady state vibrations, the phase angle for all values of damping factors, will tend to approach 90° 360° 0° 180° 90° 360° 0° 180° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A kinematic chain is known as a mechanism when None of these One of the links is fixed None of the links is fixed Two of the links are fixed None of these One of the links is fixed None of the links is fixed Two of the links are fixed 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) ω² √(x² - r²) ω² √(r² - x²) ω √(r² - x²) ω √(x² - r²) ω² √(x² - r²) ω² √(r² - x²) ω √(r² - x²) ω √(x² - r²) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In railway axle boxes, the bearing used is Deep groove ball bearing Double row spherical roller bearing Cylindrical roller bearing Double row self aligning ball bearing Deep groove ball bearing Double row spherical roller bearing Cylindrical roller bearing Double row self aligning ball bearing ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The example of successfully constrained motion is a Piston reciprocating inside an engine cylinder Motion of an I.C. engine valve All of these Motion of the shaft between a footstep bearing Piston reciprocating inside an engine cylinder Motion of an I.C. engine valve All of these Motion of the shaft between a footstep bearing ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the addenda on pinion and wheel is such that the path of approach and path of recess are half of their maximum possible values, then the length of the path of contact is given by (where r = Pitch circle radius of pinion, R = Pitch circle radius of wheel, and φ = Pressure angle) [(r² + R²) cosφ]/2 [(r + R) cosφ]/2 [(r² + R²) sinφ]/2 [(r + R) sinφ]/2 [(r² + R²) cosφ]/2 [(r + R) cosφ]/2 [(r² + R²) sinφ]/2 [(r + R) sinφ]/2 ANSWER DOWNLOAD EXAMIANS APP
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