Theory of Machine The train value of a gear train is Always greater than unity Equal to velocity ratio of a gear train Always less than unity Reciprocal of velocity ratio of a gear train Always greater than unity Equal to velocity ratio of a gear train Always less than unity Reciprocal of velocity ratio of a gear train ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In an open pair, the two elements of a pair Are not held together mechanically Are kept in contact by the action of external forces, when in motion Have a surface contact when in motion Have a line or point contact when in motion Are not held together mechanically Are kept in contact by the action of external forces, when in motion Have a surface contact when in motion Have a line or point contact when in motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Whitworth quick return motion mechanism is formed in a slider crank chain when the Smallest link is a fixed link Coupler link is fixed Slider is a fixed link Longest link is a fixed link Smallest link is a fixed link Coupler link is fixed Slider is a fixed link Longest link is a fixed link ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The unbalanced primary forces in a reciprocating engine are Balanced partially Not balanced Balanced completely Balanced by secondary forces Balanced partially Not balanced Balanced completely Balanced by secondary forces ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the nature of contact between the elements of a pair is such that one element can turn about the other by screw threads, the pair is known as a Spherical pair Sliding pair Screw pair Turning pair Spherical pair Sliding pair Screw pair Turning pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a four stroke I.C. engine, the turning moment during the compression stroke is Positive during major portion of the stroke Positive throughout Negative during major portion of the stroke Negative throughout Positive during major portion of the stroke Positive throughout Negative during major portion of the stroke Negative throughout ANSWER DOWNLOAD EXAMIANS APP
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