Machine Design The form factor of a helical gear __________ with the increase in the helix angle. None of these Increases Decreases Remains constant None of these Increases Decreases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Machine Design The maximum efficiency of a square threaded screw is (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)/ (1 - sinφ) ANSWER DOWNLOAD EXAMIANS APP
Machine Design The radial distance from the __________ to the clearance circle is called working depth. Pitch circle None of these Addendum circle Dedendum circle Pitch circle None of these Addendum circle Dedendum circle 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)) √(3m /Pmax) √(Pmax / 3m) √(Pmax / 2m) √(Pmax / m) √(3m /Pmax) √(Pmax / 3m) √(Pmax / 2m) √(Pmax / m) ANSWER DOWNLOAD EXAMIANS APP
Machine Design In hydrostatic bearings The oil film is maintained by supplying oil under pressure Grease is used for lubrication Do not require external supply of lubricant The Oil film pressure is generated only by the rotation of the journal The oil film is maintained by supplying oil under pressure Grease is used for lubrication Do not require external supply of lubricant The Oil film pressure is generated only by the rotation of the journal ANSWER DOWNLOAD EXAMIANS APP
Machine Design The connecting rod bolts are tightened up with initial tension greater than the external load so that Bolts will not loosen during service The resultant load on the bolt would not be affected by the external cyclic load Joint may not open up Bolts are weakest elements Bolts will not loosen during service The resultant load on the bolt would not be affected by the external cyclic load Joint may not open up Bolts are weakest elements ANSWER DOWNLOAD EXAMIANS APP
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