A.Iron-copper alloys
B.Ultra pure metals
C.Metal oxides
D.Nickel-chromium alloys
Explanation: The correct answer is Metal oxides.
Submitted by: Academy of Pakistan
Chemical Engineering MCQs: 8,342 practice questions with answer choices and available explanations. Page 23 of 557.
Chemical Engineering MCQs
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A.1
B.0
Explanation: The correct answer is 1.
Submitted by: Academy of Pakistan
A.Removal of pure solvent by evaporation
B.Change of temperature thereby causing super-saturation
C.All A., B. & C.
D.Changing the nature of the system by the addition of a more soluble material
Explanation: The correct answer is All A., B. & C..
Submitted by: Academy of Pakistan
A.4500
B.6000
C.2000
D.3000
Explanation: The correct answer is 4500.
Submitted by: Academy of Pakistan
A.Temperature vs. internal energy
B.Temperature vs. enthalpy
C.Entropy vs. enthalpy
Explanation: The correct answer is Entropy vs. enthalpy.
Submitted by: Academy of Pakistan
A.None of these
B.Lead
C.Carbon disulphide
D.Cement
Explanation: The correct answer is Cement.
Submitted by: Academy of Pakistan
A.0.5000
B.0.5055
C.0.2528
D.0.2500
Explanation: The correct answer is 0.5055.
Submitted by: Academy of Pakistan
A.Smaller than
B.Equal to
C.Either A. or B.
D.Greater than
Explanation: The correct answer is Smaller than.
Submitted by: Academy of Pakistan
A.Reversed heat engine
B.Turbine
C.Heat engine
D.None of these
Explanation: The correct answer is Reversed heat engine.
Submitted by: Academy of Pakistan
A.1147
B.723
C.959
D.1493
Explanation: The correct answer is 723.
Submitted by: Academy of Pakistan
A.Is always equal to the overall order of reaction
B.Can’t have a fractional value
C.May not be equal to the order of reaction
D.Both B. and C.
Explanation: The correct answer is Both B. and C..
Submitted by: Academy of Pakistan
A.Graetz number > 100
B.Exit-fluid temperature > wall temperature
Explanation: The correct answer is Exit-fluid temperature > wall temperature.
Submitted by: Academy of Pakistan
A.Muffles for muffle furnaces
B.Segar cones
C.Insulating bricks
D.Crucibles used for melting of high purity metals
Explanation: The correct answer is Crucibles used for melting of high purity metals.
Submitted by: Academy of Pakistan
A.Is more than
B.Is same as
C.May be either more or less than
D.Is less than
Explanation: The correct answer is May be either more or less than.
Submitted by: Academy of Pakistan
A.Intersects at right angle
B.Is tangential to
C.Is always below
D.Is the evolute of
Explanation: The correct answer is Is the evolute of.
Submitted by: Academy of Pakistan