A.Hydration
B.Strengthening
C.Fibrillation
D.Cutting
Explanation: The correct answer is Strengthening.
Submitted by: Academy of Pakistan
Chemical Engineering MCQs: 8,342 practice questions with answer choices and available explanations. Page 236 of 557.
Chemical Engineering MCQs
Showing page 236 of 557 · 8,342 total solved questions available.
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Percentage of glycerine present in the spent lye obtained during soap manufacture is about________?
0A.35
B.0.5
C.5
D.20
Explanation: The correct answer is 5.
Submitted by: Academy of Pakistan
A.Under stressing the specimen
B.Having scratches on the surface
C.Rise in temperature
D.Having notches in the specimen
Explanation: The correct answer is Under stressing the specimen.
Submitted by: Academy of Pakistan
A.Polyamide
B.Cellulosic
C.Natural
D.Polyester
Explanation: The correct answer is Cellulosic.
Submitted by: Academy of Pakistan
A.109 – 1011
B.102 – 102
C.105 – 109
D.102 – 107
Explanation: The correct answer is 102 – 107.
Submitted by: Academy of Pakistan
A.CO
B.NO
C.CO2
D.Hydrocarbons
Explanation: The correct answer is CO.
Submitted by: Academy of Pakistan
A.Type of crop
B.pH of soil
C.None of these
D.Nature of soil
Explanation: The correct answer is None of these.
Submitted by: Academy of Pakistan
A.Silica gel
B.Bog iron (i.e., moist ferric hydroxide)
C.Basalt
D.Diatomaceous earth
Explanation: The correct answer is Bog iron (i.e., moist ferric hydroxide).
Submitted by: Academy of Pakistan
As pressure approaches zero, the ratio of fugacity to pressure (f/P) for a gas approaches________?
0A.Unity
B.Infinity
C.Zero
D.An indeterminate value
Explanation: The correct answer is Unity.
Submitted by: Academy of Pakistan
A.Either of A., B. or C.
B.Increasing the number of vanes in the impeller
C.Mounting of two or more impellers in series on a single shaft
D.Increasing the impeller speed and the volute area
Explanation: The correct answer is Mounting of two or more impellers in series on a single shaft.
Submitted by: Academy of Pakistan
A.Magnesite
B.Direct bonded basic
C.Fireclay
D.Silica
Explanation: The correct answer is Fireclay.
Submitted by: Academy of Pakistan
A.The ratio of volumes of plug flow reactor to that of mixed reactor is always less than one for identical feed composition, flow rate, conversion and for all positive reaction orders
B.The integral method of analysing kinetic data is used when the data is scattered
C.When the reaction rate is independent of temperature, the reaction is said to be of zero order
D.The differential method of analysing kinetic data requires more accurate or larger amounts of data
Explanation: The correct answer is When the reaction rate is independent of temperature, the reaction is said to be of zero order.
Submitted by: Academy of Pakistan
A.Attrition
B.Cutting
C.Impact
D.Compression
Explanation: The correct answer is Impact.
Submitted by: Academy of Pakistan
A.Curved blade turbine
B.Propeller
C.Helical screw
D.Flat blade turbine
Explanation: The correct answer is Helical screw.
Submitted by: Academy of Pakistan
A.Saves the pump from the danger of cavitation
B.None of these
C.Smoothens the flow by avoiding pulsations
D.Increases the volumetric efficiency of the pump
Explanation: The correct answer is None of these.
Submitted by: Academy of Pakistan