Machine Design When a material is subjected to fatigue loading, the ratio of the endurance limit to the ultimate tensile strength is 0.5 0.65 0.2 0.35 0.5 0.65 0.2 0.35 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The bearing characteristic number in a hydrodynamic bearing depends upon Length, width and load Viscosity, speed and bearing pressure Viscosity, speed and load Length, width and speed Length, width and load Viscosity, speed and bearing pressure Viscosity, speed and load Length, width and speed ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following statement is correct regarding power screws? The efficiency of Acme (trapezoidal) thread is less than that of a square thread If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50% The efficiency of a self locking screw can not be more than 50% Both (A) and (B) The efficiency of Acme (trapezoidal) thread is less than that of a square thread If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50% The efficiency of a self locking screw can not be more than 50% Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Machine Design In worm gears, the angle between the tangent to the pitch helix and an element of the cylinder, is known as Pressure angle None of these Helix angle Pitch lead angle Pressure angle None of these Helix angle Pitch lead angle ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following material has the maximum ductility? Zinc Copper Aluminium Mild steel Zinc Copper Aluminium Mild steel ANSWER DOWNLOAD EXAMIANS APP
Machine Design For tight leakage joints, following type of thread is best suited Square NPT (national pipe threads). Buttress Metric Square NPT (national pipe threads). Buttress Metric ANSWER DOWNLOAD EXAMIANS APP
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