Machine Design Pick up wrong statement. Fatigue strength can be increased by Hot working Grinding and lapping surface Shot peening Cold working Hot working Grinding and lapping surface Shot peening Cold working ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following statement is correct regarding power screws? Both (A) and (B) The efficiency of Acme (trapezoidal) thread is less than that of a square thread The efficiency of a self locking screw can not be more than 50% If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50% Both (A) and (B) The efficiency of Acme (trapezoidal) thread is less than that of a square thread The efficiency of a self locking screw can not be more than 50% If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50% ANSWER DOWNLOAD EXAMIANS APP
Machine Design The process which improves the machinability of steels, but lowers the hardness and tensile strength is Normalising Full annealing Spheroidising Process annealing Normalising Full annealing Spheroidising Process annealing ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ratio of belt tensions (p1/p2) considering centrifugal force in flat belt is given by Where m = mass of belt per meter (kg/m) v = belt velocity (m/s) f = coefficient of friction a = angle of wrap (radians) (P1 - mv²)/ (P2 - mv²) = eᶠα P1 / P2 = eᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα P1 / P2 = e–ᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα P1 / P2 = eᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα P1 / P2 = e–ᶠα ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following spring is used in mechanical wrist watch? Spiral spring Belleville spring Helical compression spring Torsion spring Spiral spring Belleville spring Helical compression spring Torsion spring ANSWER DOWNLOAD EXAMIANS APP
Machine Design The permissible stress for carbon steel under static loading is generally taken as 4000-4500 kg/cm² 2000-3000 kg/m² 3000-4000 kg/cm² 7500-10,000 kg/cm² 4000-4500 kg/cm² 2000-3000 kg/m² 3000-4000 kg/cm² 7500-10,000 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
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