Theory of Machine The magnitude of linear velocity of a point B on a link AB relative to point A is, (Where ω = Angular velocity of the link AB) ω × AB (ω × AB)² ω² × AB ω × (AB)² ω × AB (ω × AB)² ω² × AB ω × (AB)² ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A shaft has two heavy rotors mounted on it. The transverse natural frequencies, considering each of the rotor separately, are 100 Hz and 200 Hz respectively. The lowest critical speed is 6,000 r.p.m. 12,000 r.p.m. 5,367 r.p.m. 9,360 r.p.m. 6,000 r.p.m. 12,000 r.p.m. 5,367 r.p.m. 9,360 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A watt's governor can work satisfactorily at speeds from 60 to 80 r.p.m. 80 to 100 r.p.m. 100 to 200 r.p.m. 200 to 300 r.p.m. 60 to 80 r.p.m. 80 to 100 r.p.m. 100 to 200 r.p.m. 200 to 300 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A spring controlled governor is said to be unstable when the controlling force Increases as the radius of rotation increases Decreases as the radius of rotation increases Remains constant for all radii of rotation Increases as the radius of rotation decreases Increases as the radius of rotation increases Decreases as the radius of rotation increases Remains constant for all radii of rotation Increases as the radius of rotation decreases 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 180° and 360° None of these 0° and 90° Both (A) and (B) 180° and 360° None of these 0° and 90° Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine V-belts are usually used for Long and short drives Short drives Long drives None of these Long and short drives Short drives Long drives None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS