Theory of Machine The velocity of a particle moving with simple harmonic motion, at any instant is given by (where ω = Displacement of the particle from mean position) ω √(x² - r²) ω² √(x² - r²) ω √(r² - x²) ω² √(r² - x²) ω √(x² - r²) ω² √(x² - r²) ω √(r² - x²) ω² √(r² - x²) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Pitch point on a cam is The point on cam pitch curve having the minimum pressure angle The point on cam pitch curve having the maximum pressure angle Any point on pitch circle Any point on pitch curve The point on cam pitch curve having the minimum pressure angle The point on cam pitch curve having the maximum pressure angle Any point on pitch circle Any point on pitch curve ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The size of cam depends upon Pitch curve Prime circle Base circle Pitch circle Pitch curve Prime circle Base circle Pitch circle ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The critical speed of a shaft in revolution per second is __________ as that of natural frequency of transverse vibration. Different Unpredictable None of these Same Different Unpredictable None of these Same 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 essential condition of placing the two masses, so that the system becomes dynamically equivalent, is (where l₁ and l₂ = Distance of two masses from the centre of gravity of the body, and kG = Radius of gyration of the body) l₂ = kG l₁l₂ = kG² l₁l₂ = kG l₁ = kG l₂ = kG l₁l₂ = kG² l₁l₂ = kG l₁ = kG ANSWER DOWNLOAD EXAMIANS APP