Answer / waris jamal

one ton of refrigeration = 12,000 BTU/hr.

When it comes to relating this to air quantities, the basic equation is:

Q (btu/hr) = 1.08 (constant for air at standard conditions)*density correction factor*cfm*delta T

400 cfm per ton is a manufacturers nominal standard, or rule of thumb. It should get you in the ballpark, but is not exact.

What are different types of gate valves?

0 Answers  

---

can you please give me the questions related to steels,i have an interview regarding to steels factory

0 Answers  

---

what is E.S.P

6 Answers  

---

State the function of neck ring in centrifugal pump?

0 Answers   HPCL,

---

Dear all, How will we calculate the Diesel engines ( generator) efficiency considering fuel

1 Answers  

---

Who invented the four-stroke engine?

0 Answers  

---

how does the lybrinth glands work in sealing a turbine? how exactly turbine sealing is done? principle of it?

0 Answers   GMR,

---

Cam,Connecting Rod,Piston & Cylinders Combinely forms How many links ?

2 Answers   Bhel,

---

what is the difference between BSP, BSW, NPT & G Threads. How can I identify them from a given component.

6 Answers  

---

What is the purpose of thrust bearing?

1 Answers   RRB,

---

what is the composition of cement?

2 Answers   ACC,

---

Is it possible to fix 1/2" BSPP Male thread with 1/2" BSPT female thread. If yes is it safe for gas transport applications.

1 Answers  

---