If T2 and T5 measure 20 Ω when testing the windings of a 3φ, delta-connected, dual-voltage motor with an ohmmeter, what should the reading be between T5 and T7?

A)-explain briefly the importance of standards in engineering design. b)- what is patent? c)-explain the relationship between these standards: b.s. and b.s.en d)- in engineering design concepts, types of loads and how they act are important factors. explain.