Theory of Machine In a rigid link OA, velocity of 'A' w.r.t. 'O' will be At 45° to OA Along AO Perpendicular to OA Parallel to OA At 45° to OA Along AO Perpendicular to OA Parallel to OA ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which one of the following is an exact straight line mechanism using lower pairs? Watt’s mechanism Robert’s mechanism Grasshopper mechanism Peaucellier’s mechanism Watt’s mechanism Robert’s mechanism Grasshopper mechanism Peaucellier’s mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of any point in mechanism relative to any other point on the mechanism on velocity polygon is represented by the line Joining the corresponding points Not possible to determine with these data At 45° to line as per (A) Perpendicular to line as per (A) Joining the corresponding points Not possible to determine with these data At 45° to line as per (A) Perpendicular to line as per (A) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The length of a simple pendulum which gives the same frequency as the compound pendulum, is (kG + l₁²)/ l₁ kG + l₁ kG² + l₁ (kG² + l₁²)/ l₁ (kG + l₁²)/ l₁ kG + l₁ kG² + l₁ (kG² + l₁²)/ l₁ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If ω/ωn is very high for a body vibrating under steady state vibrations, the phase angle for all values of damping factors, will tend to approach 90° 180° 360° 0° 90° 180° 360° 0° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a vibrating system, if the actual damping coefficient is 40 N/m/s and critical damping coefficient is 420 N/m/s, then logarithmic decrement is equal to 0.2 0.4 0.6 0.8 0.2 0.4 0.6 0.8 ANSWER DOWNLOAD EXAMIANS APP
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