Answer / Seema Sagar

Ground in a main switchboard is usually identified by one of the following methods: 1. Grounding electrode conductor (GEC) connected to earth, 2. Green wire or green insulator on a terminal post, 3. A separate ground busbar, or 4. A specific ground symbol marked on the switchboard.

i am looking for a 4 kw immersion water heater /in the USA is this a 220 system or 240

1 Answers  

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9 balls are there one of them is of higher wt and remaining all are of same. given is one weighing scale and you can use it two times. How will you find the heavy ball in two trials only.

9 Answers   Reliance, TCS, Whirlpool,

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How do you determine what suction pressure should be in r22 air conditioning compressors suction line?

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diffrance b/w VAM and CHILLER

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why involute curve corve used in gear

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What do you treat in high alkalinity of boiler water? What is a feed water pump? What is a Booster pump?

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Sketch the jacket cooling system?

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What is a time and motion theory?

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Is OHNS steel is equivalent to O1 tool steel? Suppliers give OHNS material for AISI O1 STEEL telling that both are equivalent materials. Is this correct?

1 Answers   PH.D Interview,

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Is there a simple method to measure the horsepower of a small motor (1-3 hp) for a non-technical person?

6 Answers   HPCL,

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I have applied for rrb ,for the post of JE (mechanical),So please send me the solved Question papers for the past four years RRB EXAM's as soon as posible.

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What are the important operational performance parameters in design of fuel firing equipment ?

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