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 5,367 r.p.m. 6,000 r.p.m. 12,000 r.p.m. 9,360 r.p.m. 5,367 r.p.m. 6,000 r.p.m. 12,000 r.p.m. 9,360 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The relation between the controlling force (Fc) and radius of rotation (r) for a stable spring controlled governor is Fc = ar Fc = ar + b Fc = ar - b Fc = a/r + b Fc = ar Fc = ar + b Fc = ar - b Fc = a/r + b ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The amplitude of vibration is always __________ the radius of the circle. Greater than None of these Equal to Less than Greater than None of these Equal to Less than ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Pulley in a belt drive acts as Sliding pair Rolling pair Turning pair Cylindrical pair Sliding pair Rolling pair Turning pair Cylindrical pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a hydrodynamic journal bearing, there is No lubricant between the journal and the bearing A very thin film of lubricant between the journal and the bearing such that there is contact between the journal and the bearing A thick film of lubricant between the journal and the bearing A forced lubricant between the journal and the bearing No lubricant between the journal and the bearing A very thin film of lubricant between the journal and the bearing such that there is contact between the journal and the bearing A thick film of lubricant between the journal and the bearing A forced lubricant between the journal and the bearing ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Typewriter constitutes Structure Machine Inversion Mechanism Structure Machine Inversion Mechanism ANSWER DOWNLOAD EXAMIANS APP
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