Machine Design Shaft coupling is used in machinery to Reduce the transmission of shock loads Introduce protection against over loads Introduce mechanical flexibility All of these Reduce the transmission of shock loads Introduce protection against over loads Introduce mechanical flexibility All of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a beam of rectangular cross-section of width b and depth d, is subjected to a shear force F, the maximum shear stress induced will be 3F/2bh 2F/bh 4F/bh F/bh 3F/2bh 2F/bh 4F/bh F/bh ANSWER DOWNLOAD EXAMIANS APP
Machine Design A bolt of M 24 × 2 means that The effective diameter of bolt is 24 mm and there are 2 threads per cm The nominal diameter of bolt is 24 mm and pitch is 2 mm The pitch of the thread is 24 mm and depth 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 nominal diameter of bolt is 24 mm and pitch is 2 mm The pitch of the thread is 24 mm and depth is 2 mm Cross-sectional area of the threads is 24 mm² ANSWER DOWNLOAD EXAMIANS APP
Machine Design In oilness bearings The oil film is maintained by supplying oil under pressure Grease required to be applied after some intervals Do not require external supply of lubricant The oil film pressure is generated only by the rotation of the journal The oil film is maintained by supplying oil under pressure Grease required to be applied after some intervals Do not require external supply of lubricant The oil film pressure is generated only by the rotation of the journal ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following coupling is used to connect two shafts which have both lateral and angular misalignment? Universal coupling Bushed pin type coupling Oldham coupling All of these Universal coupling Bushed pin type coupling Oldham coupling All of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design The power transmitted by the belt drive can be increased by Dressing the belt to increase the coefficient of friction Increasing wrap angle by using idler pulley Increasing the initial tension in the belt All of these Dressing the belt to increase the coefficient of friction Increasing wrap angle by using idler pulley Increasing the initial tension in the belt All of these ANSWER DOWNLOAD EXAMIANS APP