When we open the door of refrigerator then we feel hot,why?

3 Answers   BARC, KPIT, Power Plant,

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Which turbine, high speed or low speed is efficient to generate 30MW power? or High RPM machine is more efficient or low RPM?

1 Answers   HMT,

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What are the causes of positive and negative propeller slip?

0 Answers  

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what is Investment casting? how it is differ from other casting process?

1 Answers   Bhel,

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Why we need two angle of projections ( 1st angle and 3rd angle)? Cant we standardize to one.

2 Answers   Hyundai,

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What are the dimensionless parameters used in forced convection?

0 Answers  

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examples for newtonian and non newtonian fluid

14 Answers   Applied Materials, NTPC, Wipro,

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what is Density of Fe410W IS:2062? Anyone have Density material table?

1 Answers   ABB,

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What is the importance of Prandtl Number in heat transfer?.

0 Answers  

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What are the types of sensors?

0 Answers  

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What is the significance of torque(in N-m) given in the engine specification ???

2 Answers  

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What is blading efficiency of steam turbines ?

0 Answers   John Deere,

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