A.None of these
B.Dependent on the length of the pipe
C.Dependent on Reynolds number
D.Independent of Reynolds number
Explanation: The correct answer is Dependent on Reynolds number.
Submitted by: Academy of Pakistan
Chemical Engineering MCQs: 8,342 practice questions with answer choices and available explanations. Page 230 of 557.
Chemical Engineering MCQs
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A.Gives finer size reduction but consumes more power
B.All A., B. and C.
C.Has larger length/diameter ratio (>2 as compared to 1 for ball mill)
D.Employs smaller balls
Explanation: The correct answer is All A., B. and C..
Submitted by: Academy of Pakistan
A.Constantan
B.Gun metal
C.White metal
D.Duralumin
Explanation: The correct answer is Constantan.
Submitted by: Academy of Pakistan
A.Bound moisture is removed during constant rate drying period
B.The driving force for mass transfer in a wet solid is its free moisture content
C.The sum of free moisture and equilibrium moisture in a solid is called the critical moisture
D.Free moisture is removed during falling rate drying period
Explanation: The correct answer is The driving force for mass transfer in a wet solid is its free moisture content.
Submitted by: Academy of Pakistan
A.Order
B.Overall order
C.None of these
D.Molecularity
Explanation: The correct answer is Overall order.
Submitted by: Academy of Pakistan
A.CaO
B.NaOH
C.PbO
D.FeSO4
Explanation: The correct answer is CaO.
Submitted by: Academy of Pakistan
A.Both A. and B.
B.Inclination with ground surface
C.Neither A. nor B.
D.rpm
Explanation: The correct answer is Both A. and B..
Submitted by: Academy of Pakistan
A.273°K
B.492°R
C.32°F
D.32°R
Explanation: The correct answer is 32°R.
Submitted by: Academy of Pakistan
A.Atomisation
B.Gaseous reduction
C.Electrochemical deposition
D.Mechanical attrition
Explanation: The correct answer is Atomisation.
Submitted by: Academy of Pakistan
A.Zero
B.That of the heat of reaction
C.Unity
D.Infinity
Explanation: The correct answer is Zero.
Submitted by: Academy of Pakistan
A.-136.5°C
B.-136.5°K
C.0°K
D.0°C
Explanation: The correct answer is -136.5°C.
Submitted by: Academy of Pakistan
A.Inorganic
B.Organic
C.None of these
D.Radioactive
Explanation: The correct answer is Inorganic.
Submitted by: Academy of Pakistan
A.0.5′′ -1.25′′
B.Half the tray spacing
C.2′′-3.5′′
D.5′′
Explanation: The correct answer is 0.5′′ -1.25′′.
Submitted by: Academy of Pakistan
A.Asphyxiation (suffocation)
B.Tuberculosis
C.Shortness of breath
D.All A., B. and C.
Explanation: The correct answer is All A., B. and C..
Submitted by: Academy of Pakistan
A.Isentropic
B.Adiabatic
C.Isothermal
D.Polytropic
Explanation: The correct answer is Isentropic.
Submitted by: Academy of Pakistan