Theory of Machine The frictional torque transmitted in a flat pivot bearing, assuming uniform wear, is (Where μ = Coefficient of friction, W=Load over the bearing, R=Radius of bearing) ½μWR ¾μWR μwr ²/₃ μWR ½μWR ¾μWR μwr ²/₃ μWR ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Kinematic pairs are those which have Elements of pairs not held together mechanically Point or line contact between the two elements when in motion Surface contact between the two elements when in motion Two elements that permit relative motion Elements of pairs not held together mechanically Point or line contact between the two elements when in motion Surface contact between the two elements when in motion Two elements that permit relative motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Rectilinear motion of piston is converted into rotary by Gudgeon pin Connecting rod Slider crank Cross head Gudgeon pin Connecting rod Slider crank Cross head ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When a point moves along a straight line, its acceleration will have Radial and tangential components both Tangential component only Radial component only Coriolis component only Radial and tangential components both Tangential component only Radial component only Coriolis component only ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The advantage of the piston valve over the slide valve is that in the former case Both wear and power absorbed are low Wear is less The pressure developed being high provides tight sealing Power absorbed is less Both wear and power absorbed are low Wear is less The pressure developed being high provides tight sealing Power absorbed is less ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The natural frequency of free longitudinal vibrations is equal to (where m = Mass of the body, s = Stiffness of the body, and δ = Static deflection of the body) 1/2π × √(s/m) Any one of the listed here 0.4985/√δ 1/2π × √(g/δ) 1/2π × √(s/m) Any one of the listed here 0.4985/√δ 1/2π × √(g/δ) ANSWER DOWNLOAD EXAMIANS APP