Theory of Machine The dynamic friction is the friction experienced by a body, when the body Is at rest Just begins to slide over the surface of the other body None of these Is in motion Is at rest Just begins to slide over the surface of the other body None of these Is in motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A thin circular disc is rolling with a uniform linear speed, along a straight path on a plane surface. Which of the following statement is correct in this regard? The point on the disc making contact with the plane surface has zero acceleration The centre of the disc has zero acceleration The centre of the disc has centrifugal acceleration All points of the disc have the same velocity The point on the disc making contact with the plane surface has zero acceleration The centre of the disc has zero acceleration The centre of the disc has centrifugal acceleration All points of the disc have the same velocity ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In considering friction of a V-thread, the virtual coefficient of friction (μ₁) is given by μ₁ = μ/sin β μ₁ = μ/cos β μ₁ = μ sin β μ₁ = μ cos β μ₁ = μ/sin β μ₁ = μ/cos β μ₁ = μ sin β μ₁ = μ cos β ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In an open pair, the two elements of a pair Are kept in contact by the action of external forces, when in motion Are not held together mechanically Have a line or point contact when in motion Have a surface contact when in motion Are kept in contact by the action of external forces, when in motion Are not held together mechanically Have a line or point contact when in motion Have a surface contact when in motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The driving and driven shafts connected by a Hooke's joint will have equal speeds, if cosθ = sinα cotθ = cosα tanθ = ± cosα sinθ = ± tanα cosθ = sinα cotθ = cosα tanθ = ± cosα sinθ = ± tanα ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following mechanism is an approximate straight line motion mechanism? All of these Grasshopper mechanism Robert's mechanism Watt's mechanism All of these Grasshopper mechanism Robert's mechanism Watt's mechanism ANSWER DOWNLOAD EXAMIANS APP
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