Related Questions

Which of the following crushers can be considered as a combination of a jaw crusher and a roller crusher?
A Rod mill
B Fluid energy mill
C Gyratory crusher
D Ball mill
According to Taggart's rule for selecting between a gyratory crusher and a jaw crusher; the later should be used, if the hourly tonnage to be crushed divided by the square of the gape expressed in cm is less than
A 0.00184
B 0.0184
C 0.184
D 1.84
After the increase of price of oil by 40%, a family decided to reduce its oil consumption so that the expenditure for oil goes up by 26% only. If the total consumption of oil before the price rise was 10 kg per month, then what is the current consumption of oil per month (in kg)?
A 8
B 8.50
C 9
D None of these
During size reduction by a jaw crusher, the energy consumed decreases with the
A Decreasing size of product at constant size of feed
B Decreasing machine capacity
C Increasing size of feed at constant reduction ratio
D None of these
In a roll crusher, the specific power consumption and the production rate is affected by the
A Reduction ratio
B Differential roll speed
C Both A & B
D Neither A nor B
The price of sugar increases by 32%. A family reduces its consumption so that expenditure of the sugar is up by 10% only. If the total consumption of sugar before the price rise was 10 kg per month, then the consumption of sugar per month is approximately-
A 8.33 kg
B 8.5 kg
C 8.35 kg
D 8.73 kg
During 2011, advertising expenditures on canned food products increased by 20 percent, while canned food consumption rose by 25 percent. Each of the following if true, could help to explain the increase in food consumption EXCEPT-
A Advertising effectiveness increased
B Canned food prices decreased relative to substitutes
C Canned food producer were available in more stores
D Can opener production doubled
During 2011 advertising expenditures on canned food products increased by 20 percent, while canned food consumption rose by 25 percent. Each of the following ,if true, could help to explain the increase in food consumption EXCEPT ---
A advertising effectiveness increased
B Canned food prices decreased relative to substitutes
C Canned food producer were available in more stores
D Can opener production doubled
Suppose you have Tk. 500 to spend on beef and chicken . Beef cost Tk. 110 per kg and chicken cost Tk. 85 per kg. If you increase consumption of beef by 3 kg how much you should decrease the consumption of chicken?
A 2.3 kg
B 4.5 kg
C 3.9 kg
D none
Electrical energy consumed by a jaw crusher is not a function of the
A average feed size
B average product size
C machine capacity
D none of these

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