Related Questions

The soft grade grinding wheels are denoted by the letters
A A to H
B I to P
C Q to Z
D A to P
Grinding wheel made of silicon carbide is most suitable for grinding materials of low tensile strength (e.g; tough bronze). Grinding is a __________ operation.
A Turning
B Dressing
C Forming
D Surface finishing
A tea merchant blends 2 kinds of tea, putting in 3 parts of a Tk. 25 per kg grade to 1 part of a Tk. 15 per kg. If the mixture is changed to 1 part of the Tk. 25 per kg grade to 3 parts of the less expensive grade, how much will the shop lose or save in blending 200 kg?
A lose Tk. 500
B loss Tk. 1,000
C save Tk. 1,500
D save Tk. 1,000
Fill in the blanks : It was very hard for him to______ that he hard ____'A" grade in English.
A believe, got a
B beleve, obtained an
C believe, obtained a
D believe, received a
What is suggested by the language and imagery in the following poem by Whitehead Hicky ? I hear them grinding , grinding through the night , The gaunt machines with arteries of fire, Muscled with iron, bowelled with smouldering light"
A All machines operate loudly .
B Machines can be compared to bodies.
C Anger against factories and mills is useless.
D Machiness are run by human bodies.
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 value of work index does not change materially from one equipment to another. If the value of work index determined for close circuit grinding is Wi, then the same for open circuit grinding will be
A 0.5 Wi
B Wi
C 1.34 Wi
D 3.34 Wi
Which of the following grinding mills has the horizontally arranged rods as the grinding elements thereby delivering more uniform granular products with minimum fines?
A Compartment mill
B Rod mill
C Pebble mill
D Tube mill
In closed circuit grinding as compared to open circuit grinding, the
A Specific surface of product is more
B Product has lesser size uniformity
C Production rate at a given limiting size is lower
D Operation is economical
Wet grinding in a revolving mill __________ as compared to dry grinding.
A Gives less wear on chamber walls
B Requires more energy
C Increases capacity
D Complicates handling of the product

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