how ratio is calculated for any grade of concrete. for e.g. sppose M20 requires(x;y:z) quantity of cememt sand and aggregate.

2153

75 kw motor take 45 amp in no load delta in star 10 amp but in load it will take 160 amp but IR velue of winding above 500 at 1kw ph to earth and ph to ph. what problem it should be?

3793

Which method has more procity in cast part? Which method has more strength in cast part?

950

What is rate for brick masonry work of 1.0 m3 in cm 1:6?

1233

What are carbides?

983

Tell me any three mineral fibers?

1

Why we are use dol starter up to 10 hp

1441

Why the dc voltage drop during starting of emergency lube oil pump? The Voltage drop from 135kv to 125 kv for one min. before re-establish to 135kv?

2384

what kind of technical test that i need to learn because i have an interview tomorrow.. please someone help me..

2074

Why do you want to work here

1822

we use parallel flow heat exchanger to coo oil of 1000 EP viscosity,oftenly tubes may damage during cleaning etc what is proper way to clean cooler? How impurities decreased or vanished during working or in less teme job performed?

1915

Could Please Explain briefly. Why used stabilizing resistance series with High impedance bus differential protection relay.

1845

How are the pneumatic system and the hydraulic system similar?

1249

How 'saltation velocity' is used in designing pneumatic conveying systems?

1178

What happen in ups if phase reverse?

2358