Theory of Machine A higher pair has__________. No contact Point contact Surface contact None of these No contact Point contact Surface contact None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Flexible coupling is used because It is easy to engage and disengage It prevents shock transmission and eliminates stress reversals It transmits shocks gradually It is easy to disassemble It is easy to engage and disengage It prevents shock transmission and eliminates stress reversals It transmits shocks gradually It is easy to disassemble ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The driving and driven shafts connected by a Hooke's joint will have equal speeds, if cotθ = cosα cosθ = sinα sinθ = ± tanα tanθ = ± cosα cotθ = cosα cosθ = sinα sinθ = ± tanα tanθ = ± cosα ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A disturbing mass m₁ attached to the rotating shaft may be balanced by a single mass m₂ attached in the same plane of rotation as that of m₁, such that (where r₁ and r₂ are the radii of rotation of m₁ and m₂ respectively) m₁ m₂ = r₁ r₂ m₁ r₁ = m₂ r₂ None of these m₁ r₂ = m₂ r₁ m₁ m₂ = r₁ r₂ m₁ r₁ = m₂ r₂ None of these m₁ r₂ = m₂ r₁ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The partial balancing of reciprocating parts in locomotives produces Swaying couple All of these Hammer blow Variation in tractive force along the line of stroke Swaying couple All of these Hammer blow Variation in tractive force along the line of stroke ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a flat collar bearing, considering uniform wear, is (where r₁ and r₂ = External and internal radii of collar respectively) (1/2) μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3) μ W (r₁ + r₂) (2/3) μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2) μ W (r₁ + r₂) (1/2) μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3) μ W (r₁ + r₂) (2/3) μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2) μ W (r₁ + r₂) ANSWER DOWNLOAD EXAMIANS APP
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