Theory of Machine When the two elements of a pair have a surface contact when relative motion takes place and the surface of one element slides over the surface of the other, the pair formed is known as a Higher pair Self-closed pair Force-closed pair Lower pair Higher pair Self-closed pair Force-closed pair Lower pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following has sliding motion? Crank pin Connecting rod Crank Cross-head Crank pin Connecting rod Crank Cross-head ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following mechanism is an approximate straight line motion mechanism? All of these Watt's mechanism Grasshopper mechanism Robert's mechanism All of these Watt's mechanism Grasshopper mechanism Robert's mechanism 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 [sin θ + (sin 2θ/n)] ω²r [cos θ + (cos 2θ/n)] ωr [sin θ + (sin 2θ/n)] ωr [cos θ + (cos 2θ/n)] ω²r [sin θ + (sin 2θ/n)] ω²r [cos θ + (cos 2θ/n)] ωr [sin θ + (sin 2θ/n)] ωr [cos θ + (cos 2θ/n)] ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The danger of breakage and vibration is maximum None of these Below the critical speed Above the critical speed Near the critical speed None of these Below the critical speed Above the critical speed Near the critical speed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When a ship travels in a sea, which of the effect is more dangerous Steering Rolling All of these Pitching Steering Rolling All of these Pitching ANSWER DOWNLOAD EXAMIANS APP
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