Theory of Machine If ω/ωn is very low for a body vibrating under steady state vibrations, the phase angle for all values of damping factors, will tend to approach 90° 360° 180° 0° 90° 360° 180° 0° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Balancing of rotating and reciprocating parts of an engine is necessary when it runs at Moderate speed Highs peed Any one of these Slow speed Moderate speed Highs peed Any one of these Slow speed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The lower pairs are _________ pairs. Force-closed None of these Self-closed Friction closed Force-closed None of these Self-closed Friction closed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following statement is correct for involute gears? The variation in centre distance of shafts increases radial force. The pressure angle is constant throughout the teeth engagement. A convex flank is always in contact with concave flank. The interference is inherently absent. The variation in centre distance of shafts increases radial force. The pressure angle is constant throughout the teeth engagement. A convex flank is always in contact with concave flank. The interference is inherently absent. ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the sleeve of a Porter governor moves upwards, the governor speed Remain unaffected First increases and then decreases Increases Decreases Remain unaffected First increases and then decreases Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The natural frequency of free transverse vibrations due to a point load acting over a simply supported shaft is equal to (where δ = Static deflection of a simply supported shaft due to the point load) 0.571/√δ 0.6253/√δ 0.5615/√δ 0.4985/√δ 0.571/√δ 0.6253/√δ 0.5615/√δ 0.4985/√δ ANSWER DOWNLOAD EXAMIANS APP
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