Machine Design In a boundary lubricated bearing, there is a __________ of lubricant between the journal and the bearing. None of these Either A or B Thin film Thick film None of these Either A or B Thin film Thick film 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 / P2 = e–ᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα P1 / P2 = eᶠα P1 / P2 = e–ᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα ANSWER DOWNLOAD EXAMIANS APP
Machine Design The rolling contact bearings as compared to sliding contact bearings have Low starting and low running friction except at very high speeds All of these Small overall dimensions Accuracy of shaft alignment Low starting and low running friction except at very high speeds All of these Small overall dimensions Accuracy of shaft alignment ANSWER DOWNLOAD EXAMIANS APP
Machine Design A self locking screw has Course threads Coefficient of friction is greater than tangent of load angle Fine threads Hole for inserting split pin Course threads Coefficient of friction is greater than tangent of load angle Fine threads Hole for inserting split pin ANSWER DOWNLOAD EXAMIANS APP
Machine Design When spring index increases, the value of Wahl's stress factor Decreases linearly Increases linearly Increases exponentially Remains same Decreases linearly Increases linearly Increases exponentially Remains same ANSWER DOWNLOAD EXAMIANS APP
Machine Design The difference between the tooth space and the tooth thickness as measured on the pitch circle, is called Face width Clearance Working depth Backlash Face width Clearance Working depth Backlash ANSWER DOWNLOAD EXAMIANS APP
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