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 12,000 r.p.m. 9,360 r.p.m. 6,000 r.p.m. 5,367 r.p.m. 12,000 r.p.m. 9,360 r.p.m. 6,000 r.p.m. 5,367 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a simple train of wheels, the velocity ratio __________ the intermediate wheels. Either A or B None of these Depends upon Is independent of Either A or B None of these Depends upon Is independent of ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In vibration isolation system, the transmissibility will be equal to unity, for all values of damping factor, if ω/ωn is Equal to 2 Greater than 2 Equal to 1 Less than 2 Equal to 2 Greater than 2 Equal to 1 Less than 2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine An imaginary circle which by pure rolling action, gives the same motion as the actual gear, is called Addendum circle Clearance circle Pitch circle Dedendum circle Addendum circle Clearance circle Pitch circle Dedendum circle ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A cam mechanism imparts following motion Rotating All of these Reciprocating Oscillating Rotating All of these Reciprocating Oscillating ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The critical speed of a shaft depends upon its Stiffness Mass Mass and stiffness Stiffness and eccentricity Stiffness Mass Mass and stiffness Stiffness and eccentricity ANSWER DOWNLOAD EXAMIANS APP
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