Machine Design If p = bearing pressure on projected bearing area, z = absolute viscosity of lubricant, and N = speed of journal, then the bearing characteristic number is given by p/ZN N/Zp ZN/p Z/pN p/ZN N/Zp ZN/p Z/pN ANSWER DOWNLOAD EXAMIANS APP
Machine Design The anti-friction bearings Have low starting and low running friction at moderate speeds Have high initial cost All of these Can carry both radial and thrust loads Have low starting and low running friction at moderate speeds Have high initial cost All of these Can carry both radial and thrust loads ANSWER DOWNLOAD EXAMIANS APP
Machine Design In oilness bearings 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 required to be applied after some intervals 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 required to be applied after some intervals ANSWER DOWNLOAD EXAMIANS APP
Machine Design The dedendum circle diameter is equal to (where φ = Pressure angle) Addendum circle diameter × cosφ Clearance circle diameter × cosφ Pitch circle diameter × sinφ Pitch circle diameter × cosφ Addendum circle diameter × cosφ Clearance circle diameter × cosφ Pitch circle diameter × sinφ Pitch circle diameter × cosφ ANSWER DOWNLOAD EXAMIANS APP
Machine Design In the levers of third type, the mechanical advantage is __________ one. Equal to None of these More than Less than Equal to None of these More than Less than ANSWER DOWNLOAD EXAMIANS APP
Machine Design The modulus of elasticity for mild steel is approximately equal to 100 kN/mm² 80 kN/mm² 210 kN/mm² 110 kN/mm² 100 kN/mm² 80 kN/mm² 210 kN/mm² 110 kN/mm² ANSWER DOWNLOAD EXAMIANS APP
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