Signification of Coefficient of Performance by D VERMA SIR

[@harshit.thakur]

Good one

[@maharudrashinde07]

Very cleared & informative lecture thanks sir!!

[@rohitmeena3808]

Thanks sir

[@asinghaa8216]

Request ..🙏 sir aap bahut acha padate h sir ek series hydraulic and pneymetics PR for Diploma students🙏it's a humble request

[@kishanpal375]

👍