The input power to an electric motor is 200KW. Its efficiency is 80%. It operates a crane of efficiency 90%. If the crane is lifting a load of 3.6 tonnes, the velocity with which the load moves is
see full answer
Your Exam Success, Personally Taken Care Of
1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.