All Rector or Exchanger have spherical/hemispherical end Why?

2 Answers   Reliance,

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What type of metal is used in a propeller

1 Answers   RRB,

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what is the regulating speed in a hydraulic coupling

1 Answers  

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why the baffels are provided in water tube boilers?

2 Answers   Siemens,

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what is the difference between c.o.p. And efficiency. Why c.o.p of heat pump is greater than refrigerator

4 Answers  

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sir,iam member to your gk books for one year plan,i have recived every months.i request you i want techical questions pls send as soon as possible

0 Answers  

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what is the main purpose of deaerator in thermal power plants?

3 Answers   Engro,

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where multistage pump used

8 Answers   Bhel, TATA,

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What is the use of gravity disc?

0 Answers   RRB,

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who was the frist rail ladies driver

2 Answers   RRB,

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What are the effects of carbon on the properties of steel?

0 Answers  

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why do we require cooling towers in case of water cooled chillers?????

2 Answers  

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