Machine Design In an oil lubricated journal bearing, the coefficient of friction between the journal and the bearing 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 Remains constant at all speeds ANSWER DOWNLOAD EXAMIANS APP
Machine Design The rolling contact bearings are known as Plastic bearings Thick lubricated bearings Antifriction bearings Thin lubricated bearings Plastic bearings Thick lubricated bearings Antifriction bearings Thin lubricated bearings ANSWER DOWNLOAD EXAMIANS APP
Machine Design In order to remove internal stresses produced by hardening the steel, the process usually adopted is Annealing Normalizing Tempering Spheroidizing Annealing Normalizing Tempering Spheroidizing ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which one of the following loading is considered for the design of axles? Twisting moment only Combined action of bending moment, twisting moment and axial thrust Bending moment only Combined bending moment and twisting moments Twisting moment only Combined action of bending moment, twisting moment and axial thrust Bending moment only Combined bending moment and twisting moments ANSWER DOWNLOAD EXAMIANS APP
Machine Design The strength of the unriveted plate (P) per pitch length is equal to (p - d) σt p.d.σt p.t.σt (p - d) t.σt (p - d) σt p.d.σt p.t.σt (p - d) t.σt ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the belt is transmitting maximum power, None of these The tension in tight side is thrice the centrifugal tension The tension in slack side is equal to the centrifugal tension The tension in tight side is twice the centrifugal tension None of these The tension in tight side is thrice the centrifugal tension The tension in slack side is equal to the centrifugal tension The tension in tight side is twice the centrifugal tension ANSWER DOWNLOAD EXAMIANS APP
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