Answer / mech idiot

In automobile catalytic converter is used to reduce the
exhaust gases toxic. CO, HC, N are the major pollutant of
exhaust gases.
In petrol engine, it is used to reduce the pollutant like
CO, HC, N convert into CO2, H20, N2 by using catalyst like
platinum, metal rhodium.
In diesel it is used to reduce only CO, HC into CO2 and H2O.

Answer / tarun kumar

In case of gasoline engine catalystic convertor oxidises NO
present in the exhaust gases to NO2.
In case of diesel engine it removes the solid particulates
present in the exhaust gas.

Answer / anwar ashwak hussain

as the fuel having harmful
S,N2 etc.. upon combustion of
this fuel leads to produce
SO2, NO,CO n other
dangerous gases to reduce
their effect we have to
change these gases to SO3,
NO2, CO2,water vapor etc. by
using platinaum, rhodium like
catalyst to safe guard the
environment.

what is the relation between velocity & pressure. tel me if pressure in water line is increased what wil b effect on velocity ?

5 Answers  

---

Explain the functioning of a three-way catalytic converter.

0 Answers  

---

why do tangential entry require for a cyclone separator?

1 Answers  

---

A distillation column separates 10000 kg / hr of a mixture containing equal mass of benzene and toluene. The product D recovered from the condenser at the top of the column contains 95 % benzene, and the bottom W from the column contains 96 % toluene. The vapor V entering the condenser from the top of the column is 8000 kg / hr. A portion of the product from the condenser is returned to the column as reflux R, and the rest is withdrawn as the final product D. Assume that V, R, and D are identical in composition since V is condensed completely. Find the ratio of the amount refluxed R to the product withdrawn D. Hint : Solve the simultaneous equations as follow in order to find the answer (R / D) : 10000 = D + W; 10000 (0.5) = D (0.95) + W (0.04); 8000 = R + D.

2 Answers  

---

What does Dew point -40C mean in an air drying unit.

4 Answers  

---

---

hello everyone do anyone have interview questions for any chemical industry please email me at

0 Answers   ONGC,

---

How can you prevent bridging in a dilute phase pneumatic conveying system?

0 Answers  

---

I am writing the chemical engineering subject test for Reliance India Limited. Could someone who has taken the test please list some of the questions from that paper?

2 Answers  

---

Why reflux is necessary in distillation column?

1 Answers   Deepak Fertilisers,

---

Why is post-weld heat treatment (stress relieving) sometimes necessary for welded vessels?

0 Answers  

---

Explain the reasons of removal of particles from effluent gas?

0 Answers  

---

How can I remove/decrease TDS from sewage waste water? At the moment it is 900gm/l. What is recommended TDS level to dispose sewage water in sea?

2 Answers   OGDCL,

---