Machine Design In an oil lubricated journal bearing, the coefficient of friction between the journal and the bearing Remains constant at all speeds Becomes minimum at an optimum speed and then increases with further increase in speed Is minimum at zero speed and increases monotonically with increase in speed Is maximum at zero speed and decreases monotonically with increase in speed Remains constant at all speeds Becomes minimum at an optimum speed and then increases with further increase in speed Is minimum at zero speed and increases monotonically with increase in speed Is maximum at zero speed and decreases monotonically with increase in speed ANSWER DOWNLOAD EXAMIANS APP
Machine Design The wire ropes make contact at Anywhere in the groove of the pulley Sides and bottom of groove of the pulley Bottom of groove of the pulley Sides of groove of the pulley Anywhere in the groove of the pulley Sides and bottom of groove of the pulley Bottom of groove of the pulley Sides of groove of the pulley ANSWER DOWNLOAD EXAMIANS APP
Machine Design Rankine's theory is used for Brittle materials Plastic materials Elastic materials Ductile materials Brittle materials Plastic materials Elastic materials Ductile materials ANSWER DOWNLOAD EXAMIANS APP
Machine Design When carbon in the cast iron is principally in the form of graphite, the cast iron will be of Grey colour Brown colour White colour Yellow colour Grey colour Brown colour White colour Yellow colour ANSWER DOWNLOAD EXAMIANS APP
Machine Design The maximum efficiency of a square threaded screw is (1 - sinφ)/ (1 + cosφ) (1 + sinφ)/ (1 - sinφ) (1 - sinφ)/ (1 + sinφ) (1 + cosφ)/ (1 - sinφ) (1 - sinφ)/ (1 + cosφ) (1 + sinφ)/ (1 - sinφ) (1 - sinφ)/ (1 + sinφ) (1 + cosφ)/ (1 - sinφ) ANSWER DOWNLOAD EXAMIANS APP
Machine Design Cap screws are 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 Used to prevent relative motion between parts Provided with detachable caps 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 Used to prevent relative motion between parts Provided with detachable caps ANSWER DOWNLOAD EXAMIANS APP
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