Theory of Machine A cam mechanism imparts following motion Oscillating Rotating Reciprocating All of these Oscillating Rotating Reciprocating All of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is false statement in respect of differences between machine and structure? Machines transmit mechanical work, whereas structures transmit forces Efficiency of machines as well as structures is below 100 % Machines modify movement and work, whereas structures modify forces In machines, relative motion exists between its members, whereas same does not exist in case of structures Machines transmit mechanical work, whereas structures transmit forces Efficiency of machines as well as structures is below 100 % Machines modify movement and work, whereas structures modify forces In machines, relative motion exists between its members, whereas same does not exist in case of structures ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A pantograph is a mechanism with Higher pairs Rolling pairs Turning pairs Lower pairs Higher pairs Rolling pairs Turning pairs Lower pairs ANSWER DOWNLOAD EXAMIANS APP
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 Lower pair Self-closed pair Higher pair Force-closed pair Lower pair Self-closed pair Higher pair Force-closed pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The natural frequency of free longitudinal vibrations is equal to (where m = Mass of the body, s = Stiffness of the body, and δ = Static deflection of the body) 1/2π × √(g/δ) 1/2π × √(s/m) 0.4985/√δ Any one of the listed here 1/2π × √(g/δ) 1/2π × √(s/m) 0.4985/√δ Any one of the listed here ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The main disadvantage of the sliding pair is that it is Wears rapidly Difficult to manufacture Bulky Both (A) and (B) above Wears rapidly Difficult to manufacture Bulky Both (A) and (B) above ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS