when we see the lube oil grade its 15w/40 or 20w/40 in this
what is W Explain breifly
W -winter grade ( temp), 40 means SAE viscosity number
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reason of capacitor failure or low voltage in alternator wtih 10kva dgset
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Megar test tell sufficient resistant
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Write a note on Treatment for electric shock.
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which are the criterias needed to select the kind of neutral earthing(solid earthing,resistance earthing,etc.) at various voltage levels in electrical distribution?
what is the role of impedance in transformer?based on secondary f.l.current(139 amps) and impedance(4.07) of 415/415v of 100 kva transformer. what is the primary current?
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