Related Questions

In low carbon steels, presence of small quantities of sulphur improves
A Weldability
B Formability
C Machinability
D Hardenability
Steels with high carbon equivalent have poor weldability, because in these steels during welding
A Carbon and other alloying elements get oxidised from the weld pool
B Excessive ferrite forms in the heat affected zone leading to poor toughness of the weld
C Martensite forms in the heat affected zone leading to poor toughness/ductility of the weld
D Segregation of carbon and other element occurs in the weld pool leading to poor properties of the weld
Low carbon steels are those in which carbon percentage is around
A 0.1 to 0.35
B 0.4 to 0.7
C 0.8 to 1.5
D 1.5 to 2
The process which improves the machinability of steels, but lowers the hardness and tensile strength is
A Normalising
B Full annealing
C Process annealing
D Spheroidising
The alloy, mainly used for corrosion resistance in stainless steels is
A Silicon
B Manganese
C Carbon
D Chromium
Presence of small quantity of sulphur in low carbon steel improves its
A Formability
B Machinability
C Weldability
D Hardenarality
Non-ferrous metals and hard steels do not exhibit a definite yield point, when pulled in the testing machine and hence for these cases, a better measure of their elastic properties is defined by the __________ stress.
A Ultimate
B Yield point
C Proof
D None of these
Point A is 10 miles West of Point B. Point b is 30 miles North of pint C. Point C is 20 miles East of Point D. What is the distance (in miles) between Point A and Point D?
A 1010
B 1020
C 2010
D 3010
Point A is 10 km west of point B. Point B is 30 km north of point C. Point C is 20 km east of point D. What is the distance between point A and D?
A 1020Km
B 1010Km
C 2010Km
D 3010Km
For hardening alloy steels and high speed steels, they are heated to
A 1100 to 1300°C
B 1300 to 1500°C
C 500 to 600°C
D 700 to 900°C

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