What is general pressure ratio for axial, reciprocating and centrifugal compressors?
Where mixed flow type compressors are used?
What is difference between Higher calorific value and lower calorific value?
What is pulse tube used in low temperature application?
what is sight glass, water level meter, water level indicator, level control probe?
what is the difference between fire grate in a boiler and the burner? and is the fire grate is the furnace of the boiler?
WHAT IS THE TOTAL HEAT RATE OF PLANT AND WHAT IS THE HEAT RATE OF BOILER?
WHAT IS MEAN BY DENSITY COMPESATIVE STEAM FLOW EXPLANE?
What is the relationship between hardness and tensile strength?
How does optical pyrometer work?
How catalyst converter works?
why coposite materials are sronger than solids
Effect of surface finsh & surface roughness on coefficent of friction in form press tools.
Why you consider yourself suitable for the post
hi dear friends i have applied RRB exams SE so i need previous year question papers please send to my mail id santhu.hpt@gmail.com