Related Questions

In a ball mill, the volume occupied by the balls (when the mill is stopped) is about __________ percent of the volume of the mill.
A 35
B 50
C 70
D 85
Where was the first cotton mill set up in India?
A Mumbai
B Coimbatore
C Surat
D Kolkata
P,Q, R, S, T, V and W are seven friends .Each of them likes a particular fruit, viz. Apple, Banana, pear, Guava , Orange, Mango and Watermelon and each of them has a favorite city, viz. Mumbai , pune, Delhi, Kolkata, chennai, Hyderabad and Cochin . The choices of fruit and favorite city of the seven friends aren't necessarily in the same order. Q likes Mango and his favorite city is chennai . The one shose favorite city is pune likes Watermelon . T's favorite city is Kolkata. R likes Guava and is favorite is not Mumbai. W's favorite city is cochin and he does not lide either Banana or pear. The favorite city of the one who likes Orange is Hyderabad. T does no like pear. P's favorite city is neither Pune nor Hyderabad. S does not like Watermelon . who likes Apple?
A W
B T
C V
D P
Most stuffed toys are stuffed with industrial cotton. There are stuffed bears and stuffed tigers.Some chairs are stuffed with industrial cotton. If the first three statements are true then which of the following statements must also be true?
A I only
B II only
C II and III only
D I,II and III
A steel mill produces 180 tons of steel per month Raw materials cost for each ton of production is Tk. 1200. Other expenses of that mill are Tk. 90,000 in each month what should be the selling price of each ton of steel in order to make 10% profit?
A 1870
B 1845
C 1842
D 18145
A. __________ mill is a revolving mill divided into two or more sections by perforated partitions in which preliminary grinding takes place at one end and the finishing grinding at the discharge end.
A Compartment
B Tube
C Rod
D Pebble
The main differentiation factor between tube mill and ball mill is the
A Length to diameter ratio
B Size of the grinding media
C Final product size
D Operating speed
Tube mill compared to ball mill
A Produces finer products
B Is long in comparison with its diameter
C Uses smaller balls
D All of the above
Crushing of mineral particles is accomplished in a 'cage mill', when one or more alloy steel bars are revolved in opposite directions. It is a type of __________ mill.
A Impact
B Roll
C Vibratory
D None of these
__________ mill is not a revolving mill.
A Pebble
B Compartment
C Cage
D Tube

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