Theory of Machine The secondary unbalanced force is maximum when the angle of inclination of the crank with the line of stroke is None of these 0° and 90° Both (A) and (B) 180° and 360° None of these 0° and 90° Both (A) and (B) 180° and 360° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a truncated conical pivot bearing, considering uniform pressure, is (2/3). μ W cosecα (r₁ + r₂) (1/2). μ W cosecα (r₁ + r₂) (1/2). μ W cosecα [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3). μ W cosecα [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3). μ W cosecα (r₁ + r₂) (1/2). μ W cosecα (r₁ + r₂) (1/2). μ W cosecα [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3). μ W cosecα [(r₁³ - r₂³)/(r₁² - r₂²)] ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The example of rolling pair is Lead screw of a lathe Ball and socket joint Ball bearing and roller bearing Bolt and nut Lead screw of a lathe Ball and socket joint Ball bearing and roller bearing Bolt and nut ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In locomotives, the ratio of the connecting rod length to me crank radius is kept very large in order to To start the locomotive quickly Minimize the effect of primary forces Have perfect balancing Minimize the effect of secondary forces To start the locomotive quickly Minimize the effect of primary forces Have perfect balancing Minimize the effect of secondary forces ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The C.G. of a link in any mechanism would experience Both angular and linear accelerations Linear acceleration No acceleration Angular acceleration Both angular and linear accelerations Linear acceleration No acceleration Angular acceleration ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the nature of contact between the elements of a pair is such that it can only slide relative to the other, the pair is known as a Sliding pair Spherical pair Screw pair Turning pair Sliding pair Spherical pair Screw pair Turning pair ANSWER DOWNLOAD EXAMIANS APP
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