Related Questions

__________ does not contain copper as an alloying element,
A Nichrome
B Manganin
C Perminivar
D Monel metal
If 2 kg of metal, of which 1/3 is zine and the rest is copper , be mixed with 3 kg of metal, of which 1/4 is zinc and the rest is copper , then what will be the ratio of zinc to copper in the mixture?
A 17 : 43
B 13 : 42
C 19 : 43
D 15 : 42
If 2 kg of metal, of which 1/3 is zinc and the rest is copper s, be mixed with 3 kg of metal , of which 1/4 is zinc and the rest is copper , then what will be the ratio of zinc to copper in the mixture?
A 13 : 42
B 19 : 43
C 15 : 42
D 17 : 43
Which of the following alloying elements is present in maximum percentage in high speed steel.
A Molybdenum
B Chromium
C Tungsten
D Vanadium
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
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
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 alloying elements when added in steel does not improve its lachinability?
A Sulphur
B Phosphorous
C Copper
D Lead
__________ does not contain tin as an alloying material.
A Brass
B Pewter
C Solder
D Babbit metal
The alloying element which reduces the formation of iron sulphide in steel is
A Chromium
B Nickel
C Vanadium
D Manganese

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