Machine Design The stretching in a belt can be controlled by __________ the stress in the belt. Increasing None of these Both A and B Reducing Increasing None of these Both A and B Reducing ANSWER DOWNLOAD EXAMIANS APP
Machine Design The bearing characteristic number in a hydrodynamic bearing depends upon Viscosity, speed and bearing pressure Length, width and speed Length, width and load Viscosity, speed and load Viscosity, speed and bearing pressure Length, width and speed Length, width and load Viscosity, speed and load ANSWER DOWNLOAD EXAMIANS APP
Machine Design Failure of a material is called fatigue when it fails Below the elastic limit At the yield point Below the yield point At the elastic limit Below the elastic limit At the yield point Below the yield point At the elastic limit ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the belt speed increases Power transmitted increases Power transmitted remains the same Power transmitted increases to a maximum value and then decreases Power transmitted decreases Power transmitted increases Power transmitted remains the same Power transmitted increases to a maximum value and then decreases Power transmitted decreases ANSWER DOWNLOAD EXAMIANS APP
Machine Design For a shoe brake, the equivalent coefficient of friction is equal to (where μ = Actual coefficient of friction, and θ = Semi-block angle) μ sinθ/(2θ + sin 2θ) 2μ sinθ/(θ + sinθ) 4μ sinθ/(θ + sinθ) 4μ sinθ/(2θ + sin 2θ) μ sinθ/(2θ + sin 2θ) 2μ sinθ/(θ + sinθ) 4μ sinθ/(θ + sinθ) 4μ sinθ/(2θ + sin 2θ) ANSWER DOWNLOAD EXAMIANS APP
Machine Design The bending moment ‘M’ and a torque ‘T’ is applied on a solid circular shaft. If the maximum bending stress equals to maximum shear stress developed, then ‘M’ is equal to 2 T 1 T 4 T T/2 2 T 1 T 4 T T/2 ANSWER DOWNLOAD EXAMIANS APP