Theory of Machine For fluctuating loads, well suited bearing is Thrust bearing Ball bearing Needle roller bearing Roller bearing Thrust bearing Ball bearing Needle roller bearing Roller bearing 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 12,000 r.p.m. 6,000 r.p.m. 5,367 r.p.m. 9,360 r.p.m. 12,000 r.p.m. 6,000 r.p.m. 5,367 r.p.m. 9,360 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the two elements of a pair have a surface contact when relative motion takes place and the surface of one element slides over the surface of the other, the pair formed is known as a Higher pair Lower pair Self-closed pair Force-closed pair Higher pair Lower pair Self-closed pair Force-closed pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A pantograph is a mechanism with Rolling pairs Higher pairs Lower pairs Turning pairs Rolling pairs Higher pairs Lower pairs Turning pairs ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Inertia force acts Opposite to the direction of acceleration force Perpendicular to the acceleration force None of the listed here Along the direction of acceleration force Opposite to the direction of acceleration force Perpendicular to the acceleration force None of the listed here Along the direction of acceleration force ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the addenda on pinion and wheel is such that the path of approach and path of recess are half of their maximum possible values, then the length of the path of contact is given by (where r = Pitch circle radius of pinion, R = Pitch circle radius of wheel, and φ = Pressure angle) [(r² + R²) sinφ]/2 [(r + R) sinφ]/2 [(r² + R²) cosφ]/2 [(r + R) cosφ]/2 [(r² + R²) sinφ]/2 [(r + R) sinφ]/2 [(r² + R²) cosφ]/2 [(r + R) cosφ]/2 ANSWER DOWNLOAD EXAMIANS APP
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