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) = eᶠα P1 / P2 = e–ᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα P1 / P2 = eᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα P1 / P2 = e–ᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα 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 Sixteen times Twice Eight times Four times Sixteen times Twice ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two closely coiled helical springs with stiffness k₁ and k₂ respectively are connected in series. The stiffness of an equivalent spring is given by (k₁ - k₂)/ (k₁ k₂) (k₁ - k₂)/ (k₁ + k₂) (k₁ + k₂)/ (k₁ k₂) (k₁ k₂)/ (k₁ + k₂) (k₁ - k₂)/ (k₁ k₂) (k₁ - k₂)/ (k₁ + k₂) (k₁ + k₂)/ (k₁ k₂) (k₁ k₂)/ (k₁ + k₂) ANSWER DOWNLOAD EXAMIANS APP
Machine Design If the size of a standard specimen for a fatigue testing machine is increased, the endurance limit for the material will Increase Decrease None of these Have same value as that of standard specimen Increase Decrease None of these Have same value as that of standard specimen ANSWER DOWNLOAD EXAMIANS APP
Machine Design A single strap butt joint is always in __________ shear. Double None of these Single Triple share Double None of these Single Triple share ANSWER DOWNLOAD EXAMIANS APP
Machine Design The helix angle for single helical gears ranges from 20° to 35° 15° to 20° 35° to 50° 10° to 15° 20° to 35° 15° to 20° 35° to 50° 10° to 15° ANSWER DOWNLOAD EXAMIANS APP