Machine Design The stress which vary from a minimum value to a maximum value of the same nature (i.e. tensile or compressive) is called Repeated stress Alternating stress Fluctuating stress Yield stress Repeated stress Alternating stress Fluctuating stress Yield stress ANSWER DOWNLOAD EXAMIANS APP
Machine Design The velocity factor for very accurately cut and ground metallic gears operating at velocities upto __________ are equal to 6/(6 + v). 15 m/s 20 m/s 12.5 m/s 10 m/s 15 m/s 20 m/s 12.5 m/s 10 m/s ANSWER DOWNLOAD EXAMIANS APP
Machine Design Belt slip may occur due to All of these Driving pulley too small Heavy load Loose belt All of these Driving pulley too small Heavy load Loose belt ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two shafts A and B are made of the same material. The diameter of shaft A is twice as that of shaft B. The power transmitted by the shaft A will be __________ of shaft B. Eight times Four times Twice Sixteen times Eight times Four times Twice Sixteen times 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 / 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 (P1 - mv²)/ (P2 - mv²) = eᶠα ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which process will increase the fatigue duration of parts? Shot-peening Finishing and polishing Electroplating De-carburisation Shot-peening Finishing and polishing Electroplating De-carburisation ANSWER DOWNLOAD EXAMIANS APP
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