Machine Design The helix angle for double helical gears may be made up to 45° 60° 90° 75° 45° 60° 90° 75° ANSWER DOWNLOAD EXAMIANS APP
Machine Design The included angle for the British Association thread is 60° 29° 47.3° 55° 60° 29° 47.3° 55° ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a bolt and nut is made of mild steel, then the effective height of nut is made equal to (where d = Nominal diameter of bolt) 0.5 d 1.25 d 0.75 d d 0.5 d 1.25 d 0.75 d d ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to I.B.R., the distance between the rows of rivets, for equal number of rivets in more than one row for lap joint or butt joint (chain riveting) shall not be less than 1.5 d 2.5 d 2 d d 1.5 d 2.5 d 2 d d ANSWER DOWNLOAD EXAMIANS APP
Machine Design The function of the washer is to Absorb shocks and vibrations Fill up the axial gap Provide bearing area Provide cushioning effect Absorb shocks and vibrations Fill up the axial gap Provide bearing area Provide cushioning effect 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) = 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
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