Theory of Machine Minimum number of teeth for involute rack and pinion arrangement for pressure angle of 20° is 34 20 10 30 34 20 10 30 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A disc is a spinning with an angular velocity ω rad/s about the axis of spin. The couple applied to the disc causing precession will be (where I = Mass moment of inertia of the disc, and ωP = Angular velocity of precession of the axis of spin) I ω ωP (1/2). I ω ωP Iω² (1/2).Iω² I ω ωP (1/2). I ω ωP Iω² (1/2).Iω² ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The following is the inversion of slider crank chain mechanism Hand pump Oscillating cylinder engine Whitworth quick return mechanism All of these Hand pump Oscillating cylinder engine Whitworth quick return mechanism All of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The example of rolling pair is Bolt and nut Ball bearing and roller bearing Lead screw of a lathe Ball and socket joint Bolt and nut Ball bearing and roller bearing Lead screw of a lathe Ball and socket joint ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the load on the engine increases, it becomes necessary to increase the supply of working fluid and when the load decreases, less working fluid is required. The supply of the working fluid to the engine is controlled by a Governor D-slide valve Meyer's expansion valve Flywheel Governor D-slide valve Meyer's expansion valve Flywheel ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The main disadvantage of the sliding pair is that it is Wears rapidly Difficult to manufacture Both (A) and (B) above Bulky Wears rapidly Difficult to manufacture Both (A) and (B) above Bulky ANSWER DOWNLOAD EXAMIANS APP
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