Related Questions

Ahmad has containers of two different sizes. The total capacity of 16 containers of one size is x gallons,and the total capacity of 8 containers of the other size is also x gallons , and x> 0. In terms of x , what is the capacity, in gallons, of each of the larger containers?
A 4x
B 2x
C x/2
D x/8
Index number expressing the relative sizes of both coarse and fine aggregates, is called
A Proportioning of aggregates
B Fineness modulus
C Grading of aggregates
D None of these
General mechanism of size reduction in intermediate and fine grinder is by
A Cutting action
B Compression
C Compression and tearing
D Impact and attrition
Melt spinning of polymers involves the forcing of polymer melt through spinnerettes (fine holes) into an atmosphere kept at a temperature lower than the melting point of the polymer, which causes the fine diameter polymer melt to harden into filaments. Melt spinning is not used in case of the __________ fibres.
A Acrylic
B Polyester
C Nylon 6:6
D Polypropylene
Separation of materials into products based on the difference of their sizes is called
A Sizing
B Sorting
C Classification
D Flocculation
Size reduction of fibrous materials like wood, asbestos, mica etc. is done by a disintegrator exemplified by the
A Blake jaw crusher
B Cage mill
C Stamp mill
D Bradford's breaker
A set of 6 flower vases of different sizes cost Manik Tk. 825. Each vas costs Tk. 25 more than the next one below it in size. What was the cost of the largest vas?
A Tk. 175
B Tk. 185
C Tk. 200
D Tk. 215
Out of the following size reduction equipments, the maximum feed size can be accepted by the
A Tube mill
B Ball mill
C Jaw crusher
D Jet pulveriser
Arrange the following size reduction equipment in the decreasing order of the average particle size produced by each of them.
A Jaw crusher, Ball mill, Fluid energy mill
B Ball mill, Jaw crusher, Fluid energy mill
C Fluid energy mill, Jaw crusher, Ball mill
D Fluid energy mill, Ball mill, Jaw crusher
During solid state sintering of powders, the following mechanism can be active.
A Evaporation and condensation
B Solid state diffusion processes
C Liquid formation in grain boundaries
D Creation of more dislocations

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