Answer / rameez_rz2000

we take the inner dia of tube and outer dia of pipe because
of paints or isolation on it

Answer / anand swami

tubes r those which is used for heat transfer in a heat
exchanger and pipe is one out side heat exhanger not used
for exchanging heat but used for transportation of fluid or gas

Answer / nadeem

tube out side dia count and pipe iternal dia count

Answer / ayaz

this is main difference
TUBE= when temperature high outer dia constant and inner dia expand
of tube
PIPE= pipe temperature high the inner dia constant and outer dia will be extended 

Answer / anp

tube inner dia vary for different pressure ratings. pipe outer dia vary for different pressure ratings

Answer / ashish gupta

Tube use for high pressure & Pipe use for low pressure
applications. in case of high pressure instrument hook-ups
are combination of tubes and pipes it is necessary.

What should we do when Fisher Fieldvue DVC2000 give some out put air at 4mA bt at that i need no out put

1 Answers  

Pl send the model question paper of mahagenco account officer post

0 Answers   MahaGenco,

What is the purpose of valve positioner. Explain 4 uses.

2 Answers   SRACO,

Need Intergraph softwares like SPI(INTOOLS),sp3d,PV ELITE, SP P&ID. CONTACT : logu.2211@gmail.com (8867825756)

0 Answers   GE,

What is the difference between local indicator(flow) and flow indicator?

2 Answers  

What is transducer

4 Answers   IFFCO, Jindal,

can i get model question papers of mahagenco exam?

11 Answers   MahaGenco, MSGEN,

what is the conversion factor for nm3 to kg/hr in air flow

4 Answers  

what is reason behind boiler drum level transmitter range put -450 to 0 mmh2o.

1 Answers   JP Group,

how to install Differential pressure transmitter in gas line.i need transmitter down side.

7 Answers   Rockwell,

A DP transmitter is used to measure the level of an open tank. The drain line of the tank is connected to a control valve, and is configured as, if the level of the tank is 90% the valve should get open 10%. And if the tank level is 10%, the valve should get open 90%. Draw wiring diagram and explain how to configure DP transmitter and control valve using HART communicator. If the span error at output is 1%, what will be the %opening of the control valve at 60% level of the tank?

0 Answers  

In my plant I want to mount a steam flow transmitter .Flow nozzel is already mounted in steam line .So how can i know the range to put in flow transmitter?

1 Answers