Related Questions

The fermentor used in the production of pencillin (by deep fermentation process) is made of
A Glass
B Glass lined steel
C High silicon cast iron
D Procelain
Pencillin is made employing __________ fermentation process.
A Continuous
B Aerobic batch
C Anaerobic batch
D None of these
The recovery of pencillin from the acidified fermentation broth is done by
A Distillation
B Evaporation
C Absorption
D Liquid extraction
Identify the one from the bracket() that must be changed to make the sentence correct. A consumer can fie a (complaint) (for) a trader for( charging) higher proces on (goods)
A complaint
B for
C charging
D goods
Extraction of pencillin employs a __________ extraction coloumn.
A Centrifugal
B Packed
C Plate
D None of these
Pencillin, an antibiotic drug was discovered by
A Alexender
B Flaming
C Dr. Zivago
D None of these
Slide gates in teeming laddie used for steel pouring in ingot moulds is lined with __________ bricks.
A Bakelite impregnated or fused periclase
B Silica
C Semi-silica
D Fireclay
A steel mill produces 180 tons of steel per month Raw materials cost for each ton of production is Tk. 1200. Other expenses of that mill are Tk. 90,000 in each month what should be the selling price of each ton of steel in order to make 10% profit?
A 1870
B 1845
C 1842
D 18145
Vacuum steel degassing units are lined with
A Silica bricks
B Low duty firebricks
C High alumina bricks
D Graphite blocks
Sulphuric acid is mixed with ground phosphate rock (to produce phosphoric acid) in a steel digestor lined with
A Acidic refractory
B Rubber
C Karbate
D Lead or acid-proof bricks

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