what is the cost of rcc roof casting of 400 sq. ft. in kolkata

3768

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What is the dc grounding system and what is diff between AC/DC grounding system?

2120

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what is designing step of heat exchanger

3135

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What is shutdown of electrical sub station?

2510

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Can rice husk ash be used instead of coal fly ash for manufacture of clc/ foam concrete

2520

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We select 10mm nominal thickness for Elip head of a pressure vesel. The minimum thickness after forming is 8.2mm. (Shell thickness is 8mm. The minimum thickness after forming is satisfied or not with UG-79 (d)(3) in ASME SECTION VIII, Div.1?

2661

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a battery is having capacity 100AH and 25% charging .if a load taking 10A & connected 6 hour .what is the final condition of the battery.

1625

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how to increase or decrease speed in DC shunt motor by DC convertor

2279

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How 3 phase invertor works?

2072

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what is the formula/ ratio for hollow block? considering to a 40 kgs of portland cement.

1834

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what causes contact chatter when there is no demand on the air conditioning unit?

2045

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Dears we deal in Chemical are Plate earthing. Kindly call if any requirement and questions. Tech Earth Solutions Mohit Verma 8791071007

1875

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What is the reason of polyphase induction motor tripping suddenly on high current during running at 70% laod? Motor IR , winding resistance & inductance balance. Motor no load current is balance and ok as per mgfr. data.

2416

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Describe the colour rendering properties of i) tungsten filament lamps ii) tubular fluorescent lamp

3138

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five requirements of infill panels for walls?

3740

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