Related Questions

10 to 30% magnesite is added to chromite to produce chrome-magnesite refractories. Magnesite addition is mainly done to improve the __________ of chromite.
Statements : Some bricks are trees. All trees are pens. All pens are boats.

Conclusions :
I. Some boats are bricks.
II. Some pens are bricks.
III. Some trees are bricks.
IV. Some bricks are boats.
Consider the following statement
1. Magnesite also occurs in Palla Jakhola, Kimana Healang, Gulabkoti and Manolta area of Chamoli district.
2. The magnesite is mainly used in the steel and cement industries.
Which of the statements given above is/are correct?
An insulating refractory brick should have high porosity and low thermal conductivity. Which of the following is not used for inducing porosity in the insulating refractory bricks during its manufacture?
A red house is built from red bricks . A blue house is built from blue bricks. A white house is built from white bricks. Then what is a greenhouse made from ?
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?
____________ arches can be constructed from ordinary bricks or purpose made bricks or soft bricks.
Statements : All rods are bricks. Some bricks are ropes. All ropes are doors.

Conclusions :
I. Some rods are doors.
II. Some doors are bricks.
III. Some rods are not doors.
IV. All doors are ropes.
Magnesite bricks have poor resistance to attack by __________ slag.
Firing temperature of magnesite bricks is about __________ °C.