Related Questions

An ice cream parlour makes an ice cream using one of six different flavors of ice cream, one of three different flavor of syrup, and one of four different toppings. what is the total number of different ice creams that this ice cream paolour can make?
A 72
B 36
C 30
D 26
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
Size reduction of the __________ can be suitably done by ball mills, crushing rolls and rod mills.
A Metalliferrous ores
B Non-metallic ores
C Basic slags
D Asbestos & mica
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
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
Size reduction of __________ is accomplished in steam heated rollers and roll crushers.
A Resins
B Gums
C Hard rubber
D Waxes
The power of a low capacity prime mover is most suitably measured by a __________ type dynamometer.
A Driving
B Transmission
C Absorption
D None of these
In case of a hammer crusher, the final product size depends on the
A Feed rate
B Rotor speed
C Clearance between hammer & grinding plates
D All of the above
Flow rate measurement of hostile acids and alkalis can be most suitably done by a/an
A Venturimeter
B Orificemeter
C Magnetic flow meter
D Hot wire anemometer
Angular displacement can be measured suitably by a
A Shaft encoder
B Linear variable differential transducer (LVDT)
C Stroboscope
D Tachometer

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