Theory of Machine In a coupling rod of a locomotive, each of the four pairs is a ________ pair. Turning Rolling Sliding Screw Turning Rolling Sliding Screw ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the primary direct crank of a reciprocating engine makes an angle of 'θ' with the line of stroke, then the secondary direct crank will make an angle of _________ with the line of stroke. 2θ 4θ θ θ/2 2θ 4θ θ θ/2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The mechanism forms a structure, when the number of degrees of freedom (n) is equal to 1 2 -1 1 2 -1 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The main disadvantage of the sliding pair is that it is Bulky Wears rapidly Difficult to manufacture Both (A) and (B) above Bulky Wears rapidly Difficult to manufacture Both (A) and (B) above 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) ωr [cos θ + (cos 2θ/n)] ω²r [cos θ + (cos 2θ/n)] ω²r [sin θ + (sin 2θ/n)] ωr [sin θ + (sin 2θ/n)] ωr [cos θ + (cos 2θ/n)] ω²r [cos θ + (cos 2θ/n)] ω²r [sin θ + (sin 2θ/n)] ωr [sin θ + (sin 2θ/n)] ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a hydrodynamic journal bearing, there is A forced lubricant between the journal and the bearing A thick film of lubricant between the journal and the bearing No lubricant between the journal and the bearing A very thin film of lubricant between the journal and the bearing such that there is contact between the journal and the bearing A forced lubricant between the journal and the bearing A thick film of lubricant between the journal and the bearing No lubricant between the journal and the bearing A very thin film of lubricant between the journal and the bearing such that there is contact between the journal and the bearing ANSWER DOWNLOAD EXAMIANS APP
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