What is the purpose of engine preheating?

1 Answers   RRB,

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Lowest temp in vapour compression cycle in :(Ans:Expansion devices) Contineous welding is type of :(Seam Welding) refrigerant in domestic Refrigerator:(R 134 A) Lowest critical temp of refrigerant:(Freon) Statement....this is .....law:(Avagadros law) Ratio reynold no to prandtl no is:(Pecelent no) if welding is done from right to left then what is the name welding:(Not known) slip gauges are made up of:(alloy steel) clearence between meeting surfaces is due to which gauges: question on rubby laser,rake angle,heat treatment processes,joules law,bell coleman cycle like a/c works on which cycle?

2 Answers   Hitachi,

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diffuser increases pressure but in turbine pressure is decreasing when steam passing through casing?

5 Answers   MAHINDRA, NTPC, Qatar Gas,

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What will be the cause of high temperature in one cylinder of D/E?

0 Answers   RRB,

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Explain the advantages of cycloidal and involute gears?

0 Answers  

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What do you understand by critical points in iron, iron-carbide diagram ?

0 Answers  

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dQ-dW=1 which of the law is obeyed by the equation

6 Answers   Hero Honda,

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What is colour of flame if the of Halide Torch detects a refrigerant leakage?

2 Answers   HAL,

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I m having skype interview with germany team what are the common questions asked?

0 Answers  

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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?

0 Answers   PetroVietnam,

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What is the difference between isentropic process and throttlinglprocess ?

0 Answers  

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what is basic difference between impulse turbine and reaction turvine

7 Answers  

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