Theory of Machine In a flat collar pivot bearing, the moment due to friction is proportional to (r₁³ - r₂³)/(r₁² - r₂²) (r₁² - r₂²)/(r₁ - r₂) (r₁³ - r₂³)/(r₁ - r₂) (r₁² - r₂²)/(r₁ + r₂) (r₁³ - r₂³)/(r₁² - r₂²) (r₁² - r₂²)/(r₁ - r₂) (r₁³ - r₂³)/(r₁ - r₂) (r₁² - r₂²)/(r₁ + r₂) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A torsional system with discs of moment of inertia I₁ and I₂ as shown in the below figure, is gear driven such that the ratio of speed of shaft B to shaft A is 'G'. Neglecting the inertia of gears, the equivalent inertia of disc on shaft B at the speed of shaft A is equal to I₂/G I₂/G² G.I₂ G².I₂ I₂/G I₂/G² G.I₂ G².I₂ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the nature of contact between the elements of a pair is such that one element can turn about the other by screw threads, the pair is known as a Turning pair Screw pair Sliding pair Spherical pair Turning pair Screw pair Sliding pair Spherical pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The critical speed of a shaft depends upon its Mass Mass and stiffness Stiffness and eccentricity Stiffness Mass Mass and stiffness Stiffness and eccentricity Stiffness ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a steam engine, the link constitutes a Connecting rod with big and small end brasses, caps and bolts All of these Crank pin, crankshaft and flywheel Piston, piston rod and cross-head Connecting rod with big and small end brasses, caps and bolts All of these Crank pin, crankshaft and flywheel Piston, piston rod and cross-head ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For dynamic balancing of a shaft Both (A) and (B) The net couple due to the dynamic forces acting on the shaft is equal to zero None of these The net dynamic force acting on the shaft is equal to zero Both (A) and (B) The net couple due to the dynamic forces acting on the shaft is equal to zero None of these The net dynamic force acting on the shaft is equal to zero ANSWER DOWNLOAD EXAMIANS APP
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