Thapar University 2010 B.E020 Energy Technology - Question Paper

Roll Number:

Thapar University Patiala Department of Chemical Engineering

BE-CHE 0 7 Semesterf MSE March 20 JO

Time: 02 Hours: MM: 24

Q i.

a.    Explain the term maturity of coal".

b.    Ail caking coals are not necessarily coking coal but all the coking coals have to be necessarily caking in nature*. Comment.

c.    Wh\ is calorific values of the anthracite coal lower than that of bituminous coal inspite of having a higher carbon content?

d.    WTiat are the beneficial effects of moisture in coal?

e.    What is the principle of coal washing?

f.    What is the differences between LTC and HTC?

I2X6J

Q2. What is acid dew point? What is its significance with respect to efficiency losses?

HI

Q3. How are the properties of cracked products different from the parent substance? Write about the FCC process.

HI

Q4. What are the various pretreatment operations done before the crude is sent to a

refincr>'?

Attachment: thapar-university-2010-b-e-25933-1.pdf

Earning:   Approval pending.