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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

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Chemical Engineering MCQs designed for job test and interview preparation, particularly for fresh graduates, students, and candidates appearing in competitive exams. These multiple-choice questions cover important topics such as the fundamentals of chemical engineering, chemical processes, chemical reactions, process control, and instrumentation, along with other key concepts in the field.

All Topics  9594

While the fuel fired furnace can be used upto a maximum temperature of about 1700°C, the electric furnace can be used upto a temperature of about _____________ °C?
A 2000
B 3000
C 4500
D 6000
Correct Answer: 4500
Power required in case of forced draught as compared to induced draught (for the same draught produced) is___________________?
A Same
B Less
C More
D Either more or less; depends on the flue gas density
Correct Answer: Less
Thermal efficiency of furnaces can be improved by____________________?
A Waste heat recovery from flue gas
B Minimising heat losses from furnace walls
C Maintaining proper draught
D All A., B. and C.
Correct Answer: All A., B. and C.
In producer gas making furnace, steam is added along with air to mainly control the____________________?
A Fusion of coal ash & clinker formation
B C. V. of producer gas
C Temperature of producer gas
D Tar content in producer gas
Correct Answer: Fusion of coal ash & clinker formation
In a heating process, a heat flow diagram in which the quantities of heat in the various items of a heat balance are represented by the width of a band is called the__________________?
A Ostwald chart
B Cox chart
C Sankey diagram
D None of these
Correct Answer: Sankey diagram
Presence of SO2 in furnace gases attacks the ferrous metal by way of_________________?
A Accelerating the rate of scaling
B Causing metal embrittlement
C Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at
D All A., B. and C.
Correct Answer: All A., B. and C.
Regenerators are installed in_______________?
A Coke ovens
B Open hearth furnace
C Both A. & B.
D Neither A. nor B.
Correct Answer: Both A. & B.
Shaft furnaces are used for_______________________?
A Smelting
B Calcining
C Roasting
D All A., B. and C.
Correct Answer: All A., B. and C.
Reheating furnace (pusher type) is used for heating_____________________?
A Ingots
B Slabs
C Steel coils
D Steel sheets
Correct Answer: Slabs
Acid dew point temperature (ADT) of a flue gas produced by the combustion of a fuel containing 1% sulphur may be about ____________ °C?
A 80
B 130
C 180
D 250
Correct Answer: 130
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