Related Questions

Nickel and __________ are the alloying element added in steel to increase its toughness.
A Molybdenum
B Chromium
C Vanadium
D Silicon
Stainless steel is usually made by alloying the steel with
A Copper and nickel
B Copper and chromium
C Chromium and nickel
D Manganese and copper
Which of the following alloying elements is present in maximum percentage in high speed steel.
A Molybdenum
B Chromium
C Tungsten
D Vanadium
Which of the following alloying elements reduces the formation of iron sulphide in steel?
A Cobalt
B Nickel
C Manganese
D Vanadium
Structural steel contains following principal alloying elements
A Nickel, chromium and manganese
B Tungsten, molybdenum and phosphorous
C Lead, tin, aluminium
D Zinc, sulphur, and chromium
All of the following alloying elements of steel increases hardness but sacrifice ductility, except
A Nickel
B Vanadium
C Molybdenum
D Chromium
Alloying elements present in Hayness stel-lite, which has superior performance than high speed steel, are
A Nickel, cobalt & chromium
B Tungsten, chromium & cobalt
C Manganese, chromium & cobalt
D Tungsten, molybdenum & nickel
The main alloying elements high speed steel in order of increasing proportion are
A Vanadium, chromium, tungsten
B Tungsten, titanium, vanadium
C Chromium, titanium, vanadium
D Tungsten, chromium, titanium
Which of the following is not a principal alloying element for the structural steel?
A Molybednum
B Nickel
C Manganese
D Chromium
Which of the following pairs regarding the effect of alloying elements in steels are not matched correctly?
A Cobalt: It contributes to rerl hardness by hardening ferrite
B Molybdenum: It forms abrasion resisting particles
C Phosphorous: It improves machinability in free cutting steels
D Silicon: It reduces oxidation resistance

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