Theory of Machine The instantaneous centers which vary with the configuration of mechanism are called Permanent instantaneous centers None of these Neither fixed nor permanent instantaneous centers Fixed instantaneous centers Permanent instantaneous centers None of these Neither fixed nor permanent instantaneous centers Fixed instantaneous centers ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Higher pairs are those which have Point or line contact between the two elements when in motion Surface contact between the two elements when in motion Two elements that permit relative motion Elements of pairs not held together mechanically Point or line contact between the two elements when in motion Surface contact between the two elements when in motion Two elements that permit relative motion Elements of pairs not held together mechanically ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the addenda on pinion and wheel is such that the path of approach and path of recess are half of their maximum possible values, then the length of the path of contact is given by (where r = Pitch circle radius of pinion, R = Pitch circle radius of wheel, and φ = Pressure angle) [(r + R) sinφ]/2 [(r + R) cosφ]/2 [(r² + R²) cosφ]/2 [(r² + R²) sinφ]/2 [(r + R) sinφ]/2 [(r + R) cosφ]/2 [(r² + R²) cosφ]/2 [(r² + R²) sinφ]/2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Carnot cycle is an irreversible cycle a semi-reversible cycle a quasi static cycle a reversible cycle an irreversible cycle a semi-reversible cycle a quasi static cycle a reversible cycle ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The driving and driven shafts connected by a Hooke's joint will have equal speeds, if tanθ = ± cosα cosθ = sinα cotθ = cosα sinθ = ± tanα tanθ = ± cosα cosθ = sinα cotθ = cosα sinθ = ± tanα ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The approximate straight line mechanism is a 8 bar linkage Four bar linkage 3 bar linkage 6 bar linkage 8 bar linkage Four bar linkage 3 bar linkage 6 bar linkage ANSWER DOWNLOAD EXAMIANS APP
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