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How does a chemical get ignited without external heat source on reaching its auto ignition temperature
1 Chemical Engineering 4148A cylindrical vessel of 10m height has water upto 6m and is under a pressure of 15bar.What will be the pressure at the bottom most point of the vessel?
4 Chemical Engineering 6985To how much height the liquid willbe thrown out to atmosphere from a pump with a discharge pressure of 5bar
TCL,
4 Chemical Engineering 7523What fluid first to be lined up in a heat exchanger whether hot or liquid?why?
TCL,
2 Chemical Engineering 6135What is the iodine value of spent carbon?How iodine value is used to determine the power of carbon to adsorb?
2 Chemical Engineering 5833In a screw compressor air is sucked from atm and mixes with the oil and is separated using separators.Will the viscosity of the oil get affected as moisture in air gets mixed with oil?
1 Chemical Engineering 5091What are the most common problems encountered in a valve or bubble cap distillation column?
3 Chemical Engineering 5738How LPG gets liquefied by elevating the pressure?If the pressure is increased the temperature also increases,then how LPG is in liquid form?
1 Chemical Engineering 58821.How a chlorine leak is detected? 2.What would happen if excess chlorine is added to water in cooling tower?
3 Chemical Engineering 8187
Question { 20230 }
what is the PH value for boiler water.
Answer
| Is This Answer Correct ? | 18 Yes | 10 No |
what is difference between total flow and flow rate in
general ?? explain it with daily life example.
Answer
through a flow meter.
Flow rate is the quantity of flow (in mass or volume)in a
unit time.
| Is This Answer Correct ? | 37 Yes | 2 No |
Question { 5833 }
What is the iodine value of spent carbon?How iodine value
is used to determine the power of carbon to adsorb?
Answer
absorbed per gram of carbon.It is used to determine the
adsorption power of carbon.
More the iodine value more is the adsorption and viceversa.
For fresh carbon iodine value is more than 1000 and for
spent carbon it is less than 500.The more the value is low
it means that it is used effectively.
| Is This Answer Correct ? | 0 Yes | 1 No |
if the length of a pipe doubled what will be the effect on
Pressure in line?
Answer
the below gas equation,
p1/p2 = v1/v2
If it is an incompressible fluid,also the pressure gets
reduced.Then the major loss of energy in pipe is caused by
friction in pipe.It may be computed by Darcy-weisbach
equation.
Head loss due to friction hf = 4fLV2/2gD
where,
f= friction factor
L=length of pipe
v=velocity of the fluid
D=diameter of the pipe
If L is doubled obviously friction increases and therfore
the pressure is reduced.
| Is This Answer Correct ? | 16 Yes | 3 No |
Question { 3178 }
why we messure differential pressure in pascle,mmhg,mmwc like
different units in different companys?
Answer
| Is This Answer Correct ? | 4 Yes | 0 No |
Question { 11382 }
iN CONFINED SPACE ENTRY HOW MUCH OXYGEN MAY BE REQURIED
Answer
| Is This Answer Correct ? | 3 Yes | 1 No |
what is the difference between psv and prv?
Answer
prv is pressure relief valve it opens when the pressure gets increased.the operation is gradual.
| Is This Answer Correct ? | 6 Yes | 0 No |
