Machine Design Applications in which stresses are encountered in one direction only uses following type of threads Metric Buttress Acme Square Metric Buttress Acme Square ANSWER DOWNLOAD EXAMIANS APP
Machine Design In designing a sleeve coupling, length of the sleeve is taken as (where d = Diameter of the shaft) 3.5 d 2d + 20 mm d + 17 mm 2d + 13 mm 3.5 d 2d + 20 mm d + 17 mm 2d + 13 mm ANSWER DOWNLOAD EXAMIANS APP
Machine Design A bolt of M 24 × 2 means that Cross-sectional area of the threads is 24 mm² The effective diameter of bolt is 24 mm and there are 2 threads per cm The pitch of the thread is 24 mm and depth is 2 mm The nominal diameter of bolt is 24 mm and pitch is 2 mm Cross-sectional area of the threads is 24 mm² The effective diameter of bolt is 24 mm and there are 2 threads per cm The pitch of the thread is 24 mm and depth is 2 mm The nominal diameter of bolt is 24 mm and pitch is 2 mm ANSWER DOWNLOAD EXAMIANS APP
Machine Design A key way lowers Both the strength and rigidity of the shaft The strength of the shaft The ductility of the shaft The rigidity of the shaft Both the strength and rigidity of the shaft The strength of the shaft The ductility of the shaft The rigidity of the shaft ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a hole of diameter ‘d’ is punched in a metal of thickness 't', then the force required to punch a hole is equal to (where τu = Ultimate shear strength of the material of the plate) πd.t.τu π/4 × d² × tτu π/4 × d².τu t.τu πd.t.τu π/4 × d² × tτu π/4 × d².τu t.τu ANSWER DOWNLOAD EXAMIANS APP
Machine Design The helix angle for double helical gears may be made up to 90° 45° 75° 60° 90° 45° 75° 60° ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS