A.Unmachined portion of work piece
B.Boundary between finished and unifinished portion on a work piece
C.A marking or work piece to identify for correct position on a work piece
D.Burnt surface of a casting
E.Sharp edge remaining on the metal after curring, stamping or machining
A.To provide smooth path for long chips
B.To get long curled chips
C.To break the chips into short segrments
D.To remove chips from bed
E.None of the above
A.Deam mild steel
B.Mild steel
C.Medium carbon steel
D.High carbon steel
E.Alloys steel containing 0.8 to 0.9% carbon
Continue reading “Railway rails are generally made of __________________?”
A.1 – 2 percent
B.2 – 3 percent
C.3 – 5 percent
D.5 – 10 percent
E.14 – 16 percent
A.Wood
B.Charcoal
C.Oil
D.Coal
E.Coke
A.Unit of noise level
B.A logarithmic ratio between a measured quantity and a reference quantity
C.Quantity of noise per unit area
D.A logarithmic ratio between a measured quantity and 100
E.None of the above
A.0.1 to 1%
B.5 to 10%
C.10 to 17.5%
D.20 to 25%
E.25 to 50%
A.0.20%
B.0.40%
C.0.60%
D.1.40%
E.None of the above
A.Below room temperature
B.Near zero deg centigrade
C.100?C
D.200?C
E.275?C
A.Elinvar
B.Manganin
C.Nichrome
D.Muntz metal
E.Duralumin
