Machine Design For general industrial machinery, the ratio of the length of journal to its diameter is taken as 3 to 5 0.5 to 1 1 to 2 5 to 10 3 to 5 0.5 to 1 1 to 2 5 to 10 ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a hydrodynamic lubricated bearing There is a thick film of lubricant between the journal and the bearing The lubricant is forced between the journal and the bearing, by external pressure There is no lubricant between the journal and the bearing There is a thin film of lubricant between the journal and the bearing There is a thick film of lubricant between the journal and the bearing The lubricant is forced between the journal and the bearing, by external pressure There is no lubricant between the journal and the bearing There is a thin film of lubricant between the journal and the bearing ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ends of the leaves of a semi-elliptical leaf spring are made triangular in order to Have variable bending moment (M) in each leaf Obtain variable moment of inertia (I) in each leaf Make M/I constant throughout the length of the leaf Permit each leaf to act as an overhanging beam Have variable bending moment (M) in each leaf Obtain variable moment of inertia (I) in each leaf Make M/I constant throughout the length of the leaf Permit each leaf to act as an overhanging beam ANSWER DOWNLOAD EXAMIANS APP
Machine Design In case of V belt drive The belt should not touch the bottom of groove in the pulley The belt should touch the bottom of groove in the pulley None of these The belt should not touch the sides of groove in the pulley The belt should not touch the bottom of groove in the pulley The belt should touch the bottom of groove in the pulley None of these The belt should not touch the sides of groove in the pulley ANSWER DOWNLOAD EXAMIANS APP
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 N/Zp p/ZN ZN/p Z/pN N/Zp p/ZN ZN/p Z/pN ANSWER DOWNLOAD EXAMIANS APP
Machine Design Aircraft body is usually fabricated by Riveting Casting Pre-casting Welding Riveting Casting Pre-casting Welding ANSWER DOWNLOAD EXAMIANS APP