A.Proton
B.Neutron
C.Electron
D.α-particle
Explanation: The correct answer is Electron.
Submitted by: Academy of Pakistan
Chemical Engineering MCQs: 8,342 practice questions with answer choices and available explanations. Page 313 of 557.
Chemical Engineering MCQs
Showing page 313 of 557 · 8,342 total solved questions available.
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A.Both A. & B.
B.Neither A. nor B.
C.Porosity
D.Temperature
Explanation: The correct answer is Both A. & B..
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A.Slabs
B.Steel sheets
C.Steel coils
D.Ingots
Explanation: The correct answer is Slabs.
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A.Cooling water
B.Potable water
C.Distilled water
D.Industrial effluents
Explanation: The correct answer is Industrial effluents.
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A.Pointer
B.Bulb
C.None of these
D.Bourdon tube
Explanation: The correct answer is Pointer.
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A.Piston
B.Positive acting rotary
C.A group of vacuum
D.Centrifugal
Explanation: The correct answer is Positive acting rotary.
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A.Fireclay
B.Chromite
C.Graphite
D.Carborundum
Explanation: The correct answer is Graphite.
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A.All A, B. & C.
B.Is exemplified by magnesium plate
C.Occurs higher in the electro-chemical series of metals
D.Is much cheaper than the cathodic base material to be guarded against corrosion
Explanation: The correct answer is All A, B. & C..
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A.2-4 heat exchanger
B.1-1 heat exchanger
C.1-2 heat exchanger
D.3-2 heat exchanger
Explanation: The correct answer is 1-1 heat exchanger.
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A.Bauxite
B.Mullite
C.Corundum
D.Dolomite
Explanation: The correct answer is Dolomite.
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A.Orificemeter
B.Rotameter
C.Venturimeter
D.Pitot tube
Explanation: The correct answer is Pitot tube.
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A.Filmwise condensation gives a lower heat transfer rate than the dropwise condensation
B.If a condensing liquid does not wet the surface dropwise, even then condensation will take
C.Reynolds number of condensing liquid is based on its mass flow rate
D.Suitable coating or vapour additive is used to promote film wise condensation
Explanation: The correct answer is Suitable coating or vapour additive is used to promote film wise condensation.
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A.Weight of the liquid displaced
B.Viscosity of the liquid
C.Depth of immersion of the body
D.Surface tension of the liquid
Explanation: The correct answer is Weight of the liquid displaced.
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A.Decreases in winter
B.Increases in summer
C.Increases in winter
D.None of these
Explanation: The correct answer is Increases in winter.
Submitted by: Academy of Pakistan
A.Ferromagnetic at room temperature
B.Having h.c.p. crystal lattice
C.Not resistant to oxidation at high temperature
D.Ferromagnetic above its curie point (i.e., 415°C)
Explanation: The correct answer is Ferromagnetic at room temperature.
Submitted by: Academy of Pakistan