what is the formula and technique for duct designing?



what is the formula and technique for duct designing?..

Answer / md zahooruddin

duct designing manaully


Q = AV

Q = cfm
a = ?
v = velocity
then
A = w*h

h = height according to site

Is This Answer Correct ?    0 Yes 0 No

Post New Answer

More Mechanical Engineering Interview Questions

plz send me interview questions for POWER GENERATING CORPORATION LIMITED. my mail id is "ajaymits2004@yahoo.com"

0 Answers  


Arrange the efficiency of the engine in decreasing order Otto, Diesel, dual

22 Answers   NTPC,


what is thermodynmaics

11 Answers  


In a Waste heat recovery boiler feed control valve is after the economiser where as in auxilary boiler feed control valve is given before the economiser.why?

2 Answers  


Why are lng pipes curved?

0 Answers  






Explain how do motion detectors work?

0 Answers  


why we cant measure absolute entropy directly,but the change we can?

0 Answers  


What do you understand by the concept of a 6 stroke engine? Explain how it works.

0 Answers  


What is the history on the invention of paper?

0 Answers  


Define a machine shop?

0 Answers  


What does a pump develops? Flow or Pressure. Give the Answer with Proper Logic.

22 Answers   Essar,


How will you calculate the tonnage of Mechanical Press.

3 Answers  


Categories
  • Civil Engineering Interview Questions Civil Engineering (5085)
  • Mechanical Engineering Interview Questions Mechanical Engineering (4451)
  • Electrical Engineering Interview Questions Electrical Engineering (16632)
  • Electronics Communications Interview Questions Electronics Communications (3918)
  • Chemical Engineering Interview Questions Chemical Engineering (1095)
  • Aeronautical Engineering Interview Questions Aeronautical Engineering (239)
  • Bio Engineering Interview Questions Bio Engineering (96)
  • Metallurgy Interview Questions Metallurgy (361)
  • Industrial Engineering Interview Questions Industrial Engineering (259)
  • Instrumentation Interview Questions Instrumentation (3014)
  • Automobile Engineering Interview Questions Automobile Engineering (332)
  • Mechatronics Engineering Interview Questions Mechatronics Engineering (97)
  • Marine Engineering Interview Questions Marine Engineering (124)
  • Power Plant Engineering Interview Questions Power Plant Engineering (172)
  • Textile Engineering Interview Questions Textile Engineering (575)
  • Production Engineering Interview Questions Production Engineering (25)
  • Satellite Systems Engineering Interview Questions Satellite Systems Engineering (106)
  • Engineering AllOther Interview Questions Engineering AllOther (1379)