The averge cutting speed for machining mild steel by high speed steel tool is
A.10 m/min
B.20 m/min
C.30 m/min
D.40 m/min
E.50 m/min
A.10 m/min
B.20 m/min
C.30 m/min
D.40 m/min
E.50 m/min
A.Bevel gears
B.Helical gears
C.Spur gears
D.Herringbone gears
E.Worm gears
A.Compression
B.Tension
C.Shear
D.Torsion
E.None of the above
A.Three jaw chuck
B.Four jaw chuck
C.Face place
D.Collet chuck
E.Magnetic chuck
A.Copper, nickel, silver
B.Copper, lead, tin
C.Copper, tin, silver
D.Copper, tin, zinc
E.Copper, zinc, silver
A.100?C
B.200?C
C.500?C
D.1000?C
E.1600?C
A.Reamer
B.Pipe cutter
C.Drill
D.Tapping
E.Jaw chuck
A.100 – 4000 cps
B.4000 – 20,000 cps
C.20,000 – 80,000 cps
D.80,000 – 800,000 cps
E.800,000 – 5000,000 cps
A.1 – 2 percent
B.2-2.5 percent
C.2.5-3 percent
D.3-3.5 percent
E.4.5 percent
A.Capacity to hold moisture
B.Porosity to permit the escape of gases
C.Distribution of binder in sand
D.The ability of sand to withstand high temperatures
E.Fineness of sand