Theory of Machine When the elements of a pair are kept in contact by the action of external forces, the pair is said to be a Self-closed pair Lower pair Force-closed pair Higher pair Self-closed pair Lower pair Force-closed pair Higher pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The advantage of the piston valve over the slide valve is that in the former case The pressure developed being high provides tight sealing Power absorbed is less Both wear and power absorbed are low Wear is less The pressure developed being high provides tight sealing Power absorbed is less Both wear and power absorbed are low Wear is less ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a rigid link OA, velocity of 'A' w.r.t. 'O' will be At 45° to OA Along AO Parallel to OA Perpendicular to OA At 45° to OA Along AO Parallel to OA Perpendicular to OA ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The secondary unbalanced force is maximum __________ in one revolution of the crank. Eight times Four times Two times Sixteen times Eight times Four times Two times Sixteen times ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A Hartnell governor has its controlling force (Fc) given by Fc = ar + b, where r is the radius of rotation and a and b are constants. The governor becomes isochronous when a is +ve and b = 0 a = 0 and b is +ve a is +ve and b is also +ve a is +ve and b is -ve a is +ve and b = 0 a = 0 and b is +ve a is +ve and b is also +ve a is +ve and b is -ve ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Pulley in a belt drive acts as Cylindrical pair Turning pair Rolling pair Sliding pair Cylindrical pair Turning pair Rolling pair Sliding pair ANSWER DOWNLOAD EXAMIANS APP
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