Machine Design In an oil lubricated journal bearing, the coefficient of friction between the journal and the bearing Remains constant at all speeds Is maximum at zero speed and decreases monotonically with increase in speed Is minimum at zero speed and increases monotonically with increase in speed Becomes minimum at an optimum speed and then increases with further increase in speed Remains constant at all speeds Is maximum at zero speed and decreases monotonically with increase in speed Is minimum at zero speed and increases monotonically with increase in speed Becomes minimum at an optimum speed and then increases with further increase in speed ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which is correct statement? Which one is rigid will depend on several other factors Both will be equally rigid A member made of cast iron will generally be more rigid than a member of equal load carrying ability made of steel A member made of steel will generally be more rigid than a member of equal load carrying ability made of cast iron Which one is rigid will depend on several other factors Both will be equally rigid A member made of cast iron will generally be more rigid than a member of equal load carrying ability made of steel A member made of steel will generally be more rigid than a member of equal load carrying ability made of cast iron ANSWER DOWNLOAD EXAMIANS APP
Machine Design The cold working of metals is carried out __________ the recrystallization temperature. Below None of these At Above Below None of these At Above ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following screw thread is adopted for power transmission in either direction? Buttress threads Multiple threads Acme threads Square threads Buttress threads Multiple threads Acme threads Square threads ANSWER DOWNLOAD EXAMIANS APP
Machine Design In designing a flange coupling, the pitch circle diameter of bolts is taken as (where d = Diameter of the shaft) 2 d 5 d 3 d 4 d 2 d 5 d 3 d 4 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a marine flange coupling, the pitch circle diameter of bolts is taken as 2 d 1.2 d 1.6 d 2.5 d 2 d 1.2 d 1.6 d 2.5 d ANSWER DOWNLOAD EXAMIANS APP
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