Theory of Machine A cam with a roller follower would constitute following type of pair Open pair Higher pair Lower pair Close pair Open pair Higher pair Lower pair Close pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The lower pairs are _________ pairs. Self-closed None of these Force-closed Friction closed Self-closed None of these Force-closed Friction closed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a flat collar bearing, considering uniform pressure, is (where r₁ and r₂ = External and internal radii of collar respectively) (2/3). μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2). μ W (r₁ + r₂) (2/3). μ W (r₁ + r₂) (1/2). μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3). μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2). μ W (r₁ + r₂) (2/3). μ W (r₁ + r₂) (1/2). μ W [(r₁³ - r₂³)/(r₁² - r₂²)] ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A chain comprises of 5 links having 5 joints. Is it kinematic chain? Yes Data are insufficient to determine it It is a marginal case No Yes Data are insufficient to determine it It is a marginal case No ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine What is the number of instantaneous centers for an eight link mechanism? 15 30 8 28 15 30 8 28 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The two links OA and OB are connected by a pin joint at O. If the link OA turns with angular velocity ω₁ rad/s in the clockwise direction and the link OB turns with angular velocity ω₂ rad/s in the anticlockwise direction, then the rubbing velocity at the pin joint O is (where r = Radius of the pin at O) (ω₁ - ω₂) 2r (ω₁ + ω₂) r ω₁.ω₂.r (ω₁ - ω₂) r (ω₁ - ω₂) 2r (ω₁ + ω₂) r ω₁.ω₂.r (ω₁ - ω₂) r ANSWER DOWNLOAD EXAMIANS APP
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