Theory of Machine Which of the following mechanism is obtained from lower pair? All of these Pantograph Valve and valve gears Gyroscope All of these Pantograph Valve and valve gears Gyroscope 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 (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)] (2/3). μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2). μ W (r₁ + r₂) 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/cos β μ₁ = μ cos β μ₁ = μ/sin β μ₁ = μ sin β μ₁ = μ/cos β μ₁ = μ cos β μ₁ = μ/sin β μ₁ = μ sin β ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Whirling speed of the shaft is the speed at which Combination of transverse and longitudinal vibration occurs Shaft tends to vibrate vigorously in transverse direction Shaft tends to vibrate in longitudinal direction Torsional vibrations occur Combination of transverse and longitudinal vibration occurs Shaft tends to vibrate vigorously in transverse direction Shaft tends to vibrate in longitudinal direction Torsional vibrations occur ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The periodic time of one oscillation for a simple pendulum is 2π. √(g/l) 2π. √(l/g) (1/2π). √(l/g) (1/2π). √(g/l) 2π. √(g/l) 2π. √(l/g) (1/2π). √(l/g) (1/2π). √(g/l) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The motion of a shaft in a circular hole is an example of Incompletely constrained motion Completely constrained motion Successfully constrained motion None of these Incompletely constrained motion Completely constrained motion Successfully constrained motion None of these ANSWER DOWNLOAD EXAMIANS APP
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