Theory of Machine An engine operates between temperatures of 900°Kandr2 and another engine between T2 and 400°K For both to do equal work, value of T2 will be 600°K 700°K 650°K 625°K 600°K 700°K 650°K 625°K ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of piston in a reciprocating steam engine is given by (where ω = Angular velocity of crank, r = Radius of crank pin circle, θ = Angle turned by crank from inner dead center, and n = Ratio of length of connecting rod to the radius of crank) ω²r [cos θ + (cos 2θ/n)] ωr [cos θ + (cos 2θ/n)] ωr [sin θ + (sin 2θ/n)] ω²r [sin θ + (sin 2θ/n)] ω²r [cos θ + (cos 2θ/n)] ωr [cos θ + (cos 2θ/n)] ωr [sin θ + (sin 2θ/n)] ω²r [sin θ + (sin 2θ/n)] ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The lead screw of a lathe with nut forms a Sliding pair Screw pair Turning pair Rolling pair Sliding pair Screw pair Turning pair Rolling pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine An eccentric sheave pivoted at one point rotates and transmits oscillatory motion to a link whose one end is pivoted and other end is connected to it. This mechanism has 3 links 2 links 5 links 4 links 3 links 2 links 5 links 4 links ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the sleeve of a Porter governor moves upwards, the governor speed Remain unaffected Increases Decreases First increases and then decreases Remain unaffected Increases Decreases First increases and then decreases ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In vibration isolation system, if ω/ωn < 2, then for all values of damping factor, the transmissibility will be (where ω = Angular speed of the system, ωn = Natural frequency of vibration of the system) Less than unity Zero Equal to unity Greater than unity Less than unity Zero Equal to unity Greater than unity ANSWER DOWNLOAD EXAMIANS APP