Theory of Machine The instantaneous centers which vary with the configuration of mechanism are called Neither fixed nor permanent instantaneous centers None of these Permanent instantaneous centers Fixed instantaneous centers Neither fixed nor permanent instantaneous centers None of these Permanent instantaneous centers Fixed instantaneous centers ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Coriolis component of acceleration leads the sliding velocity by 135° 90° 180° 45° 135° 90° 180° 45° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a reciprocating steam engine, when the crank has turned from inner dead centre through an angle θ, the angular velocity of the connecting rod is given by ω sinθ/(n² - cos²θ)1/2 ω sinθ/(n² - sin²θ)1/2 ω cosθ/(n² - sin²θ)1/2 ω cosθ/(n² - cos²θ)1/2 ω sinθ/(n² - cos²θ)1/2 ω sinθ/(n² - sin²θ)1/2 ω cosθ/(n² - sin²θ)1/2 ω cosθ/(n² - cos²θ)1/2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Longitudinal vibrations are said to occur when the particles of a body moves Parallel to its axis In a circle about its axis Perpendicular to its axis None of these Parallel to its axis In a circle about its axis Perpendicular to its axis None of these 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) (2/3) μ W (r₁ + r₂) (2/3) μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2) μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2) μ W (r₁ + r₂) (2/3) μ W (r₁ + r₂) (2/3) μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2) μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2) μ W (r₁ + r₂) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine An exact straight line motion mechanism is a Hart's mechanism Scott-Russell's mechanism Peaucellier's mechanism All of these Hart's mechanism Scott-Russell's mechanism Peaucellier's mechanism All of these ANSWER DOWNLOAD EXAMIANS APP
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