Theory of Machine If ω/ωn is very low for a body vibrating under steady state vibrations, the phase angle for all values of damping factors, will tend to approach 0° 90° 360° 180° 0° 90° 360° 180° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The secondary unbalanced force is maximum when the angle of inclination of the crank with the line of stroke is 0° and 90° Both (A) and (B) 180° and 360° None of these 0° and 90° Both (A) and (B) 180° and 360° None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a four-bar chain it is required to give an oscillatory motion to the follower for a continuous rotation of the crank. For the lengths of 50 mm of crank and 70 mm of the follower, determine theoretical maximum length of coupler. The minimum length of the coupler will be Slightly more than 45 mm 45 mm Slightly less than 45 mm 95 mm Slightly more than 45 mm 45 mm Slightly less than 45 mm 95 mm ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The values of velocity and acceleration of piston at near dead center for a slider-crank mechanism will be 0, and less than coV 0, 0 0, and more than co2r cor, 0 0, and less than coV 0, 0 0, and more than co2r cor, 0 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The two elements of a pair are said to form a higher pair, when they Have a surface contact when in motion Are kept in contact by the action of external forces, when in motion Have a line or point contact when in motion Permit relative motion Have a surface contact when in motion Are kept in contact by the action of external forces, when in motion Have a line or point contact when in motion Permit relative motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The mechanism forms a structure, when the number of degrees of freedom (n) is equal to 1 -1 2 1 -1 2 ANSWER DOWNLOAD EXAMIANS APP
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