Theory of Machine The advantage of the piston valve over the slide valve is that in the former case The pressure developed being high provides tight sealing Wear is less Power absorbed is less Both wear and power absorbed are low The pressure developed being high provides tight sealing Wear is less Power absorbed is less Both wear and power absorbed are low ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The secondary unbalanced force due to inertia of reciprocating parts in a reciprocating engine is given by (where m = Mass of reciprocating parts, ω = Angular speed of crank, r = Radius of crank, θ = Angle of inclination of crank with the line of stroke, and n = Ratio of the length of connecting rod to radius of crank) m.ω².r (cos 2θ/n) m.ω².r sinθ m.ω².r cosθ m.ω².r (sin 2θ/n) m.ω².r (cos 2θ/n) m.ω².r sinθ m.ω².r cosθ m.ω².r (sin 2θ/n) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the body is suspended at the point of suspension, its periodic time and frequency will be ________ as compared to the body suspended at the point of percussion. Same Two times None of these Four times Same Two times None of these Four times ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The example of higher pair is Gears, cams All of these Ball and roller bearings Belt, rope and chain drives Gears, cams All of these Ball and roller bearings Belt, rope and chain drives ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A body having moment of inertia o:m2 is rotating at 210 RPM and r with another body at rest having I 40 kg m2. The resultant speed after ing will be data are insufficient 90 RPM 80 RPM 100 RPM data are insufficient 90 RPM 80 RPM 100 RPM ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a four bar chain or quadric cycle chain Each of the four pairs is a turning pair Two are turning pairs and two are sliding pairs One is a turning pair and three are sliding pairs Three are turning pairs and one is a sliding pair Each of the four pairs is a turning pair Two are turning pairs and two are sliding pairs One is a turning pair and three are sliding pairs Three are turning pairs and one is a sliding pair ANSWER DOWNLOAD EXAMIANS APP
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