Related Questions

For crushing of solids, the Rittinger's law states that the work required for crushing is proportional to
A The new surface created
B The size reduction ratio
C The change in volume due to crushing
D None of these
Cold crushing strength of a refractory does not depend upon its
A Shape
B Composition
C Firing temperature
D Texture
Angle of nip of the crushing rolls does not depend upon the
A Diameter of the rolls
B Speed of the rolls
C Product size
D Feed size
What is the usual value of angle of nip for crushing of ordinary rock in smooth steel crushing rolls?
A 16°
B 32°
C 40°
D 46°
Choke crushing (in case of a Jaw crusher) compared to free crushing
A Results in increased capacity
B Consumes less power
C Consumes more power
D Both A and C
If Taka 4,500 was invested in bonds of a corporation when the price per bond was Tk. 9.00 and Taka 3,000 was invested in bonds of another corporation when the price was Tk. 10.00 per bond, what was the average price of bonds purchased?
A Tk. 9.625
B Tk. 9.50
C Tk. 9.40
D Tk. 9.375
Which of the following crushing laws is most accurately applicable to the fine grinding of materials ?
A Bond's crushing law
B Kick's law
C Rittinger's law
D None of these
Cold crushing strength of refractories depends upon its
A Composition
B Texture
C Firing temperature
D All of the above
Bonds issued for longer term and must be sold in country whom currency is not used in denomination of bonds are classified as
A interbank bonds
B intrabank bonds
C Australian bonds
D Eurobonds
Bonds used in purpose of specific projects which are financed by collateral for issuing bonds are classified as
A indenture bonds
B trustee bonds
C collateral bonds
D mortgage bonds

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