Machine Design In hydrodynamic bearings The oil film pressure is generated only by the rotation of the journal Grease is used for lubrication The oil film is maintained by supplying oil under pressure Do not require external supply of lubricant The oil film pressure is generated only by the rotation of the journal Grease is used for lubrication The oil film is maintained by supplying oil under pressure Do not require external supply of lubricant ANSWER DOWNLOAD EXAMIANS APP
Machine Design The railway carriage couplings have Acme threads Square threads Knuckle threads Buttress threads Acme threads Square threads Knuckle threads Buttress threads ANSWER DOWNLOAD EXAMIANS APP
Machine Design An alien bolt is Same as stud Used in high speed components Self locking bolt Provided with hexagonal depression in head Same as stud Used in high speed components Self locking bolt Provided with hexagonal depression in head ANSWER DOWNLOAD EXAMIANS APP
Machine Design Rankine Gordon formula for buckling is valid for Very long column Long column Short and long column Short column Very long column Long column Short and long column Short column ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the belt is transmitting maximum power, the belt speed should be (Where, m = mass of belt per meter (kg/m) and Pmax = maximum permissible tension in belt (N)) √(Pmax / m) √(Pmax / 2m) √(3m /Pmax) √(Pmax / 3m) √(Pmax / m) √(Pmax / 2m) √(3m /Pmax) √(Pmax / 3m) ANSWER DOWNLOAD EXAMIANS APP
Machine Design A key capable of tilting in a recess milled out in a shaft is known as Hollow saddle key Woodruff key Flat saddle key Feather key Hollow saddle key Woodruff key Flat saddle key Feather key ANSWER DOWNLOAD EXAMIANS APP
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