Machine Design Ball bearing type screws are found in following application Aeroplane engines Steering mechanism Crane Screw jack Aeroplane engines Steering mechanism Crane Screw jack ANSWER DOWNLOAD EXAMIANS APP
Machine Design The size of a cam depends upon Pitch curve Pitch circle Base circle Prime circle Pitch curve Pitch circle Base circle Prime circle ANSWER DOWNLOAD EXAMIANS APP
Machine Design Shaft coupling is used in machinery to All of these Introduce protection against over loads Reduce the transmission of shock loads Introduce mechanical flexibility All of these Introduce protection against over loads Reduce the transmission of shock loads Introduce mechanical flexibility ANSWER DOWNLOAD EXAMIANS APP
Machine Design If the centre distance of the mating gears having involute teeth is increased, then the pressure angle Decreases Increases None of these Remains unchanged Decreases Increases None of these Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Machine Design Idler pulley is used for Changing the direction of motion of belt For applying tension Increasing velocity ratio All of these Changing the direction of motion of belt For applying tension Increasing velocity ratio All of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design If P1 and P2 are the tight and slack side tensions in the belt, then the initial tension Pi (according to Barth) will be equal to (Where, Pc is centrifugal tension) [⅟₂ × (P1 + P2)] + Pc P1 + P2 [(√P1 + √P2)/2]² ⅟₂× (P1 + P2) [⅟₂ × (P1 + P2)] + Pc P1 + P2 [(√P1 + √P2)/2]² ⅟₂× (P1 + P2) ANSWER DOWNLOAD EXAMIANS APP
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