Machine Design When a bolt and nut is made of mild steel, then the effective height of nut is made equal to (where d = Nominal diameter of bolt) 1.25 d 0.75 d 0.5 d d 1.25 d 0.75 d 0.5 d d ANSWER DOWNLOAD EXAMIANS APP
Machine Design If a load W is applied instantaneously on a bar; Then the stress induced in bar will Decrease with decrease in y Depend on other considerations Increase with increase in y Be independent of ratio of mass of load W to mass of bar (y) Decrease with decrease in y Depend on other considerations Increase with increase in y Be independent of ratio of mass of load W to mass of bar (y) ANSWER DOWNLOAD EXAMIANS APP
Machine Design The design of pin of a rocker arm of an I.C. engine is based on Shearing failure Bending failure All of these Bearing failure Shearing failure Bending failure All of these Bearing failure ANSWER DOWNLOAD EXAMIANS APP
Machine Design A sliding bearing which operates without any lubricant present, is called Hydrostatic lubricated bearing Hydrodynamic lubricated bearing Boundary lubricated bearing Zero film bearing Hydrostatic lubricated bearing Hydrodynamic lubricated bearing Boundary lubricated bearing Zero film bearing ANSWER DOWNLOAD EXAMIANS APP
Machine Design The efficiency of a square threaded screw is maximum if the helix angle is equal to(Where φ = Angle of friction) 45° - φ/2 45° - φ 90° - φ 45° + φ/2 45° - φ/2 45° - φ 90° - φ 45° + φ/2 ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following is an anti-friction bearing? Needle bearing Collar bearing Pedestal bearing Journal bearing Needle bearing Collar bearing Pedestal bearing Journal bearing ANSWER DOWNLOAD EXAMIANS APP
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