Related Questions

The equipment used in the extraction of highly corrosive radio active liquids is
A Pulse column
B Spray column
C Mixer settler
D Baffle tower
Toggle Filter আইকনটি-i. Remove filter হিসেবে কাজ করেii. Undo filter হিসেবে কাজ করে iii. Apply filter হিসেবে কাজ করেনিচের কোনটি সঠিক?
A i ও ii
B i ও iii
C ii ও iii
D i, ii ও iii
Which of the following is the most suitable filter for separation of abrasive solids suspended in a corrosive liquid?
A Sand bed filter
B Plate and frame filter press
C Vacuum filter
D Batch basket centrifuge
The pigment used in paints for corrosive resistance, is
A White lead
B Ferrous oxide
C Zinc white
D Red lead
Silicone rubber is not resistant to the corrosive action of
A Sulphuric acid (10%)
B Sulphuric acid (95%)
C Ether
D Both B and C
A company produces five types of shirts -- A,B,C,D and E-using cloth of three qualities -- high, medium and low , using dyes of three qualities-- high, medium and low. One shirt requires 1.5 m of cloth .The following table gives respectively : The number of shirts (of each category) produced, in thousands. The percentage distribution of cloth quality in each type of shirt, and The percentage distribution of dye quality in each type of shirt. What is the ratio of low quality dye used for C-type shirts to that used for D-type shirts ?
A 2:3
B 1:2
C 2:1
D 3:2
Which of the following constituents of cast iron is mainly responsible for imparting it an anti-corrosive property?
A Silicon
B Phosphorus
C Sulphur
D None of these
Pumping of a corrosive liquid is generally preferred to be done by a __________ pump, as it can be made of a variety of materials including plastics.
A Piston
B Gear
C Positive displacement
D Sump
Hydrochloric acid is __________ corrosive to common metals.
A Least
B Not
C Mildly
D Highly
When one of the fluids is highly corrosive and has fouling tendency, it should
A Preferably flow inside the tube for its easier internal cleaning
B Perferably flow outside the tube
C Flow at a very slow velocity
D Flow outside the tube, when the flow is counter-current and inside the tube when the flow is co-current

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