Related Questions

If L is total length of a canal in kilometers, P is total perimeter of its lining in metres and C is the cost of lining per square metre, the additional expenditure involved on lining, is
A $$1000\,{\text{PLC}}$$
B $$\frac{{{\text{PLC}}}}{{1000}}$$
C $$\frac{{{\text{PL}}}}{{1000{\text{C}}}}$$
D $$\frac{{{\text{PC}}}}{{100{\text{L}}}}$$
Chrome magnesite is not used in the
A Inner lining of L.D. converter
B Aluminium melting furnaces
C Wear out lining of steel melting furnaces
D All of the above
Magnesite chrome bricks are used in the
A Roof lining of basic open hearth & other basic furnaces
B Reheating furnaces
C Soaking pits
D All of the above
Chrome magnesite bricks are used in the
A Side walls of soaking pits and arc furnaces
B Copper melting furnaces & converters
C Burner block of glass tanks
D All of the above
Rotary kilns meant for calcination of limestone are lined with chrome magnesite in __________ zone.
A Preheating
B Cooling
C Burning
D All of the above
Chrome magnesite bricks are
A Acidic in nature
B Neutral in nature
C Having higher RUL than silica bricks
D Made by mixing 30% chromite and 70% periclase
Magnesite chrome refractories
A Have better spalling resistance than chrome magnesite refractories
B Have very low thermal co-efficient of expansion
C Are not at all resistant to the corrosive action of iron oxide
D Have very low (50 kg/cm2) cold crushing strength (C.C.S.) and can not be used in metalcase form
The solid brick shown is made of small square shaped bricks of side 1. when the large brick is disassembled into its component small bricks. the total surface area of all the small bricks is how much greater than the surface area of the large brick?
A 32
B 40
C 60
D 72
The method of moving each brick through a small horizontal distance before it is finally laid in any brick wall and pressing it by means of brick hammer, is known as
A Troweling
B Laying
C Grouting
D Placing
The skin, the lining of the mouth, the lining of the blood vessels, lung alveoli and kidney tubules are all made of which type of tissue?
A Epithelial tissue
B Connective tissue
C Muscular tissue
D Nervous tissue

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