Machine Design Machine screws are Used to prevent relative motion between two parts Slotted for a screw driver and generally used with a nut Similar to small size tap bolts except that a greater variety of shapes of heads are available Similar to stud Used to prevent relative motion between two parts Slotted for a screw driver and generally used with a nut Similar to small size tap bolts except that a greater variety of shapes of heads are available Similar to stud ANSWER DOWNLOAD EXAMIANS APP
Machine Design The condition for maximum power transmission is that the maximum tension in the flat belt should be equal to(Where, Pc = tension in belt due to centrifugal force) 2 Pc Pc/3 3 Pc 1 Pc 2 Pc Pc/3 3 Pc 1 Pc ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following statement is correct, for two shafts connected in parallel? Shear stress in each shaft is the same Torque in each shaft is the same Torsional stiffness of each shaft is the same Angle of twist of each shaft is the same Shear stress in each shaft is the same Torque in each shaft is the same Torsional stiffness of each shaft is the same Angle of twist of each shaft is the same ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ratio of belt tensions (p1/p2) considering centrifugal force in flat belt is given by Where m = mass of belt per meter (kg/m) v = belt velocity (m/s) f = coefficient of friction a = angle of wrap (radians) (P1 - mv²)/ (P2 - mv²) = e–ᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα P1 / P2 = e–ᶠα P1 / P2 = eᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα P1 / P2 = e–ᶠα P1 / P2 = eᶠα ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the belt is transmitting maximum power, The tension in tight side is thrice the centrifugal tension The tension in tight side is twice the centrifugal tension The tension in slack side is equal to the centrifugal tension None of these The tension in tight side is thrice the centrifugal tension The tension in tight side is twice the centrifugal tension The tension in slack side is equal to the centrifugal tension None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a full journal bearing, the angle of contact of the bearing with the journal is 120° 360° 270° 180° 120° 360° 270° 180° ANSWER DOWNLOAD EXAMIANS APP
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