Theory of Machine The minimum force required to slide a body of weight W on a rough horizontal plane is W cosθ W tanθ W cosecθ W sinθ W cosθ W tanθ W cosecθ W sinθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If ‘D₁’ and ‘D₂’ be the diameters of driver and driven pulleys, then belt speed is proportional to D₁.D₂ D₁/D₂ D₁ D₂/D₁ D₁.D₂ D₁/D₂ D₁ D₂/D₁ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a hydrodynamic journal bearing, there is A very thin film of lubricant between the journal and the bearing such that there is contact between the journal and the bearing A forced lubricant between the journal and the bearing No lubricant between the journal and the bearing A thick film of lubricant between the journal and the bearing A very thin film of lubricant between the journal and the bearing such that there is contact between the journal and the bearing A forced lubricant between the journal and the bearing No lubricant between the journal and the bearing A thick film of lubricant between the journal and the bearing ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A disc is a spinning with an angular velocity ω rad/s about the axis of spin. The couple applied to the disc causing precession will be (where I = Mass moment of inertia of the disc, and ωP = Angular velocity of precession of the axis of spin) Iω² I ω ωP (1/2).Iω² (1/2). I ω ωP Iω² I ω ωP (1/2).Iω² (1/2). I ω ωP ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Torsional vibrations are said to occur when the particles of a body moves Parallel to its axis Perpendicular to its axis In a circle about its axis None of these Parallel to its axis Perpendicular to its axis In a circle about its axis None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The factor which affects the critical speed of a shaft is All of the listed here Span of shaft Diameter of disc Eccentricity All of the listed here Span of shaft Diameter of disc Eccentricity ANSWER DOWNLOAD EXAMIANS APP
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