Chemical Engineering MCQs

6108 MCQs  (Page 46 of 611)

Attempt Chemical Engineering Quiz
Wohler test is a destructive test to find out the ___________________ strength of a prepared metal specimen ?
A. Creep
B. Fatigue
C. Endurance
D. Tensile
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The temperature at which ferromagnetic material can no longer be magnetized by the outside forces, is termed as the____________________?
A. Critical point
B. Curie temperature
C. Inversion temperature
D. Eutectic temperature
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The two elements required to form substitutional solid solution should not have___________________?
A. Same crystalline structure
B. Same valency
C. Widely differing electronegativity
D. Same atomic sizes
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____________ test is the appropriate test to determine whether a material is ductile or brittle ?
A. Impact
B. Cupping
C. Hardness
D. Tensile
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Fire refining process is employed in case of___________________?
A. Tin
B. Copper
C. Zinc
D. Aluminium
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In chemical dehumidification of air___________________?
A. Both specific humidity & dry bulb temperature increases
B. Both specific humidity & dry bulb temperature decreases
C. Specific humidity decreases & dry bulb temperature increases
D. Specific humidity increases & dry bulb temperature decreases
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One ton of refrigeration is not equivalent to the heat removal rate of ____________________?
A. 200 btu/minute
B. 50 kcal/minute
C. 50 kj/sec
D. 3.5 kw
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Which of the following commonly used condenser tube materials has the lowest thermal conductivity ?
A. Admiralty brass
B. Stainless steel
C. Aluminium brass
D. Titanium
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Gage pressure within a spherical droplet of a fluid is ‘p’. What will be gage pressure within a bubble of the same size & of the same fluid ?
A. P
B. 2 p
C. 0.5 p
D. 0.25 p
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Change in volume of metals from absolute zero temperature to their melting points is___________________?
A. Almost same for all metals
B. Different for different metals
C. Less for low melting point metals
D. Less for high melting point metals
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Word of the Day
24 Jul
Untenable
(especially of a position or view) not able to be maintained or defended against attack or objection.
ناقابل مدافعت، غیر مستحکم، جو دلیل سے ثابت نہ ہو سکے

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