Chemical Engineering MCQs

6108 MCQs  (Page 85 of 611)

Attempt Chemical Engineering Quiz
____________________ metal is used as a bearing liner material?
A. Pewter
B. White
C. Babbitt
D. Gun
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Melting point & boiling points of liquid oxygen are respectively – 218.8°C & – 183°C, while the same for liquid nitrogen is – 210°C & – 195.8°C respectively. The difference in melting points of liquid oxygen & liquid nitrogen is not equal to 8.8 ?
A. °c
B. °f
C. °k
D. °r
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The activity of pure hydrogen gas at 1000°C and 5 atm pressure_________________?
A. Is always less than 1
B. Is always greater than 1
C. Can be 5
D. Depends on the choice of the standard state
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Brazing filler metal used for joining steel plates_________________?
A. Melts below the melting points of base metals
B. Melts below 300°c
C. Is copper phosphorous alloy
D. Is copper
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If the head is doubled in & centrifugal pump, the power required will increase in the ratio of__________________?
A. 23
B. 23/2
C. 25/2
D. 21/3
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The minimum temperature to which the water can be cooled in a cooling tower is the ______________ temperature of air?
A. Ambient
B. Dry bulb
C. Dew point
D. Wet bulb
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Ammonia gas can be dried by___________________?
A. Pcl5
B. Quick lime
C. Cacl2
D. Concentrated h2so4
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‘Dikes’ are low height walls made around the storage vessels meant for storing hazardous & inflammable material (e.g., petroleum products). Volume of dikes is equal to (where, V = volume of the storage vessel) ?
A. V
B. V/2
C. 2v
D. 3v
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On decreasing the grain size of a polycrystalline material, the property most likely to deteriorate is__________________?
A. Creep
B. Toughness
C. Tensile strength
D. Fatigue
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Out of the following substances, one ton of ______________ will store the maximum heat for a rise of 30°C in temperature ?
A. Steel
B. Lignite
C. Water
D. Lime stone
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Word of the Day
25 Jul
January
a preference or special liking for something; a bias in favour of something.
2021:00:00

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