Related Questions

Cemented carbide tools are not found to be suitable for cutting
A Brass
B Cast iron
C Aluminium
D Steel
The tool made of cemented carbide wear out faster at
A Slow speeds
B Medium speeds
C Fast speeds
D Very fast speeds
Which of the following is the binding material in cemented carbides?
A Cobalt
B Nickel
C Vanadium
D Iron
In 1995 a certain store had 1,800 tools in stock that had been purchased for Tk. 30 each. If 1,000 of these tools were sold in 1995 for Tk. 40 each and the remaining 800 were sold in 1996 for Tk. 50 each, how much greater was the gross profit on the tools sold in 1996 than of 1995?
A Tk. 0
B Tk. 6,000
C Tk. 8,000
D Tk. 32,000
Which of the following is the most wear resistant grade of carbide used for the cutting tools?
A Aluminium carbide
B Tungsten carbide
C Nickel carbide
D Iron carbide
Carbide tipped tools usually have
A Negative rake angle
B Positive rake angle
C Any rake angle
D No rake angle
Carbide tipped cutting tools are manufactured by powder metallurgy techniques and have a composition of
A 90% tungsten carbide and 10% cobalt
B 70% aluminium oxide & 30% silica
C 30% nickel, 15% chromium & 55% tungsten
D 65% tungsten & 35% zirconium
High speed steel cutting tools operate at cutting speeds _________ than carbon steel tools.
A 2 to 3 times lower
B 2 to 3 times higher
C 5 to 8 times higher
D 8 to 20 times higher
For machining a mild steel workpiece using carbide tool, the maximum material will be removed at a temperature of
A 500
B 1000
C 1750
D 2750
The main raw material for manufacture of silicon carbide refractories is
A Corrundum
B Carborundum
C Bauxite
D Periclase

Next steps