Machine Design According to I.B.R., the thickness of the boiler shell should not be less than 6 mm 4 mm 5 mm 7 mm 6 mm 4 mm 5 mm 7 mm ANSWER DOWNLOAD EXAMIANS APP
Machine Design In worm, gears, pitch lead angle is Half the angle between two inclined faces in axial plane The angle between the tangent to the pitch helix and the plane of rotation The angle between the tangent to the pitch helix and an element of the cylinder None of these Half the angle between two inclined faces in axial plane The angle between the tangent to the pitch helix and the plane of rotation The angle between the tangent to the pitch helix and an element of the cylinder None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design Spring index is Ratio of coil diameter to wire diameter Load required to produce unit deflection Its capability of storing energy Indication of quality of spring Ratio of coil diameter to wire diameter Load required to produce unit deflection Its capability of storing energy Indication of quality of spring ANSWER DOWNLOAD EXAMIANS APP
Machine Design The included angle for the British Association thread is 29° 55° 47.3° 60° 29° 55° 47.3° 60° 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) = e–ᶠα P1 / P2 = e–ᶠα P1 / P2 = eᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα P1 / P2 = e–ᶠα P1 / P2 = eᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα ANSWER DOWNLOAD EXAMIANS APP
Machine Design A spring of stiffness 1000 N/m is stretched initially by 100 mm from the undeformed position. The work required to stretch it by another 100 mm is 10 N-m 15 N-m 5 N-m 7 N-m 10 N-m 15 N-m 5 N-m 7 N-m ANSWER DOWNLOAD EXAMIANS APP