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Chemical Engineering / Q&A

An equipment which converts the latent or sensible heat of one fluid into the latent heat of vaporisation of another, is called a_________________?

Chemical Engineering / Q&A, MCQs / Q&A /
An equipment which converts the latent or sensible heat of one fluid into the latent heat of vaporisation of another, is called a_________________?

A. Boiler
B. Heat exchanger (Correct)
C. Recuperator
D. Regenerator

 

An equipment which converts the latent or sensible heat of one fluid into the latent heat of vaporisation of another, is called a_________________? Read More »

Chemical Engineering / Q&A, MCQs / Q&A

For grinding of cereals, grains, spices, pigments, saw dust, cork etc., the most extensively used size reduction equipment is a__________________?

Chemical Engineering / Q&A, MCQs / Q&A /
For grinding of cereals, grains, spices, pigments, saw dust, cork etc., the most extensively used size reduction equipment is a__________________?

A. Buhrstone mill (Correct)
B. Ball mill
C. Crushing rolls
D. Hammer mill

 

For grinding of cereals, grains, spices, pigments, saw dust, cork etc., the most extensively used size reduction equipment is a__________________? Read More »

Chemical Engineering / Q&A, MCQs / Q&A

If CA is the quantity of reactants initially present, the quantity left after ‘n’ half periods will be equal to__________________?

Chemical Engineering / Q&A, MCQs / Q&A /
If CA is the quantity of reactants initially present, the quantity left after ‘n’ half periods will be equal to__________________?

A. (CA/2)n
B. (½)n CA (Correct)
C. (CA/2)1/n
D. (CA)1/2n

 

If CA is the quantity of reactants initially present, the quantity left after ‘n’ half periods will be equal to__________________? Read More »

Chemical Engineering / Q&A, MCQs / Q&A

The amount of heat required to decompose a compound into its elements is _____________ the heat of formation of that compound from its elements?

Chemical Engineering / Q&A, MCQs / Q&A /
The amount of heat required to decompose a compound into its elements is _____________ the heat of formation of that compound from its elements?

A. Less than
B. More than
C. Same as (Correct)
D. Not related to

 

The amount of heat required to decompose a compound into its elements is _____________ the heat of formation of that compound from its elements? Read More »

Chemical Engineering / Q&A, MCQs / Q&A

Out of the following four assumptions used in the derivation of the equation for LMTD [LMTD = (Δt1 – Δt2)/ln(Δt1/Δt2)], which one is subject to the largest deviation in practice ?

Chemical Engineering / Q&A, MCQs / Q&A /
Out of the following four assumptions used in the derivation of the equation for LMTD [LMTD = (Δt1 – Δt2)/ln(Δt1/Δt2)], which one is subject to the largest deviation in practice ?

A. Constant overall heat transfer co-efficient.
B. Constant rate of fluid flow (Correct)
C. Constant specific heat
D. No partial phase change in the system

 

Out of the following four assumptions used in the derivation of the equation for LMTD [LMTD = (Δt1 – Δt2)/ln(Δt1/Δt2)], which one is subject to the largest deviation in practice ? Read More »

Chemical Engineering / Q&A, MCQs / Q&A

Pick out the wrong statement?

Chemical Engineering / Q&A, MCQs / Q&A /
Pick out the wrong statement?

A. Metal/alloys having hexagonal crystal lattice structure are less malleable than those having
cubic crystal lattice structure
B. Metal/alloys having body centred cubic (bcc) crystal lattice structure is stronger & less ductile
than those having face centred cubic (fcc) crystal lattice structure
C. Tungsten has a body centred cubic (bcc) crystal lattice structure (Correct)
D. Both ferritic & austenitic stainless steel has a face centred cubic (fcc) crystal structure

 

Pick out the wrong statement? Read More »

Chemical Engineering / Q&A, MCQs / Q&A

_____________ chloride present in crude petroleum as impurity is the most prolific producer of HCl during distillation?

Chemical Engineering / Q&A, MCQs / Q&A /
_____________ chloride present in crude petroleum as impurity is the most prolific producer of HCl during distillation?

A. Magnesium (Correct)
B. Potassium
C. Calcium
D. Sodium

 

_____________ chloride present in crude petroleum as impurity is the most prolific producer of HCl during distillation? Read More »

Chemical Engineering / Q&A, MCQs / Q&A