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.Management Sciences
Category: CHEMICAL ENGINEERING
Pick out the wrong statement about the recycle stream in a process ?
A. Recycling in a process stream helps in utilising the valuable reactants to the maximum with
minimum loss of reactants
B. The ratio of the quantity of a reactant present in the reactor feed of a recycling operation to the
quantity of the same reactant entering the process as fresh feed is called combined feed ratio
C. Recycling in a process does not help in getting higher extent of reaction
D. Recycling is exemplified by refluxing back a part of the distillate to the distillation column to
maintain the quantity of liquid within the column
The amplitude ratio for the sinusoidal response of a _____________ is 1?
A. First order system
B. Second order system
C. Transportation lag
D. None of these
Fossil fuels mean___________________?
A. Solid fuels
B. Liquid fuels
C. Those fuels which are found in the crust of earth
D. Premature fuels with low calorific value
The preferred material of construction for storage tanks for 98% sulphuric acid is_________________?
A. Aluminium
B. Lead
C. Stainless steel 316
D. Mild steel
______________ iron is produced, when molten pig iron is allowed to cool gradually?
A. White cast
B. Grey cast
C. Wrought
D. None of these
The velocity for subsonic flow in a pipeline_______________?
A. Increases in the downstream direction
B. Is constant
C. Decreases in the downstream direction
D. Is independent of the area of flow
Titanium metal_________________?
A. Exists in three allotropic forms
B. Cannot be welded
C. Is used in oceanographic and space exploration applications
D. None of these
The resistance wire used in a hot wire anemometer for conducting electrical current is made of__________________?
A. Copper
B. Tungsten
C. Chromium
D. Aluminium
Dew point temperature always gives an indication of the __________________ of the moist air ?
A. Dryness
B. Moisture content
C. Coolness
D. Latent heat
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