Description : Which of the following alloying elements is present in maximum percentage in high speed steel? (A) Molybdenum (B) Chromium (C) Tungsten (D) Vanadium
Last Answer : (A) Molybdenum
Description : Alloying elements present in Haynes stellite, 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
Last Answer : Option B
Description : All of the following alloying elements of steel increases hardness but sacrifice ductility, except (A) Nickel (B) Vanadium (C) Molybdenum (D) Chromium
Last Answer : (A) Nickel
Description : __________ can replace tungsten in high speed steel, (A) Chromium (B) Vanadium (C) Cobalt (D) Molybdenum
Last Answer : (D) Molybdenum
Description : __________ can replace tungsten in high speed steel. (A) Chromium (B) Vanadium (C) Cobalt (D) Molybdenum
Last Answer : (C) Cobalt
Description : Nickel and __________ are the alloying element added in steel to increase its toughness. (A) Molybdenum (B) Chromium (C) Vanadium (D) Silicon
Last Answer : Option D
Description : Principal alloying elements of cast tool alloys which have very high wear resistance & high temperature strength are (A) Cobalt, chromium & tungsten (B) Cobalt, chromium & nickel (C) Molybdenum, tungsten & chromium (D) Cobalt, zirconium & molybdenum
Last Answer : : Option A
Description : Corrosion resistance of steel is increased by the addition of (A) Phosphorous and tungsten (B) Nickel and chromium (C) Lead and vanadium (D) Molybdenum and tungsten
Last Answer : (B) Nickel and chromium
Description : 18-4-1 high speed steel contains 18%, 4% and 1% respectively of (A) Tungsten, vanadium and chromium (B) Tungsten, chromium and vanadium (C) Vanadium, chromium and tungsten (D) Chromium, tungsten and vanadium
Last Answer : (B) Tungsten, chromium and vanadium
Description : Which of the following is not a principal alloying element for the structural steel? (A) Molybdenum (B) Nickel (C) Manganese (D) Chromium
Description : Addition of __________ in steel can help in increasing the depth of hardness. (A) Nickel (B) Chromium (C) Vanadium (D) Tungsten
Last Answer : (D) Tungsten
Description : Addition of __________ in steel is helpful in increasing the depth of hardness. (A) Chromium (B) Sulphur (C) Vanadium (D) Tungsten
Last Answer : (A) Chromium
Description : Which of the following has no effect on the carbide forming tendency insteels? (A) Molybdenum (B) Phosphorus (C) Chromium (D) Vanadium
Last Answer : (B) Phosphorus
Description : Constituents of stellite are (A) Zinc, copper and nickel (B) Cobalt, chromium and tungsten (C) Zinc, aluminium and nickel (D) Nickel, cobalt and vanadium
Last Answer : (B) Cobalt, chromium and tungsten
Description : Constituents of stellite are (A) Zinc, copper & nickel (B) Cobalt, chromium & tungsten (C) Zinc, aluminium & nickel (D) Nickel, cobalt & vanadium
Last Answer : (B) Cobalt, chromium & tungsten
Description : Hypersil' is a __________ steel. (A) High speed (B) Silicon (C) Molybdenum (D) Tungsten
Last Answer : (B) Silicon
Description : Which of the following elements is not present in stainless steel? (1) Iron (2) Tungsten (3) Chromium (4) Nickel
Last Answer : (2) Tungsten Explanation: Stainless steel is defined as a steel alloy of iron with a minimum of 10.5% to 11% chromium content by mass. There are different types of stainless steels: ... stabilized. This crystal structure makes such steels virtually non-magnetic and less brittle at low temperatures.
Description : Which of the following elements is not present in stainless steel? (1) Iron (2) Tungsten (3) Chromium(4) Nickel
Last Answer : Tungsten
Description : Steel containing low percentage of nickel, chromium & tungsten are termed as the __________ steel. (A) Wrought (B) Tool (C) Alloy (D) Plain carbon
Last Answer : (D) Plain carbon
Description : __________ is the trade name assigned to a non-ferrous cast alloy composed of cobalt, chromium & tungsten. (A) Stellite (B) High speed steel (C) Cermet (D) Alnico
Last Answer : Option A
Description : . Invar contains the highest percentage of (A) Vanadium (B) Iron (C) Tungsten (D) Cobalt
Last Answer : (B) Iron
Description : Pick out the correct statement. (A) Stainless steel is nothing but chromium coated steel (B) Hardening of a soft metal can be done by alloying it with another metal or non-metal (C) ... its temporary distortion under the action of applied stress (D) Rusting of iron is not electrochemical in nature
Last Answer : (B) Hardening of a soft metal can be done by alloying it with another metal or non-metal
Description : Which of the following alloy steels is the most suitable for making gun barrels and projectiles? (A) Tungsten steel (B) Molybdenum steel (C) Nickel-chrome steel (D) Cobalt steel
Last Answer : (C) Nickel-chrome steel
Description : __________ is added in stainless steel to prevent inter crystal corrosion. (A) Vanadium (B) Niobium (C) Chromium (D) Nickel
Last Answer : (B) Niobium
Description : Stainless steel contains (A) Chromium and nickel (B) Copper (C) Aluminium (D) Vanadium
Last Answer : (A) Chromium and nickel
Description : Stainless steel is usually made by alloying the steel with – (1) copper and nickel (2) copper and chromium (3) chromium and nickel (4) manganese and copper
Last Answer : (3) chromium and nickel Explanation: In metallurgy, stainless steel is defined as a steel alloy with a minimum of 10.5 per cent to 11 per cent chromium content by mass. There are ... virtually nonmagnetic and less brittle at low temperatures. For greater hardness and strength, more carbon is added.
Description : Explain the effects of alloying chromium and nickel in stainless steel.
Last Answer : Addition of nickel and chromium increases the tensile strength and increase in resistance to corrosion takes place.
Description : Explain The Effects Of Alloying Chromium And Nickel In Stainless Steel.?
Last Answer : The addition of nickel and chromium increases the tensile strength and increase in resistance to corrosion takes place.
Description : Which of the following are alloying materials used the manufacture of stainless steel? w) Limestone and carbon x) Calcium oxide and oxygen y) Oxygen and sulfur dioxide z) Chromium and nickel
Last Answer : ANSWER: Z -- CHROMIUM AND NICKEL
Description : Stainless steel is usually made by alloying the steel with (1) copper and nickel (2) copper and chromium (3) chromium and nickel (4) manganese and copper
Last Answer : chromium and nickel
Description : Maximum hardenability of steel depends upon its (A) Chemical composition (B) Carbon content (C) Grain size (D) Alloying elements content
Description : Which of the following alloy steels has the energy saving properties making it suitable for use in electrical machines? (A) Silicon steel (B) Chromium steel (C) Molybdenum steel (D) None of these
Last Answer : (A) Silicon steel
Description : 18/8 stainless steel means, that it contains (A) 18% chromium and 8% nickel (B) 18% chromium and 8% molybdenum (C) 18% nickel and 8% chromium (D) 18% molybdenum and 8% chromium
Last Answer : (A) 18% chromium and 8% nickel
Description : Chromium molybdenum steel cannot be welded using __________ welding. (A) Thermit (B) Electrical resistance (C) Oxy-acetylene (D) Any of these
Description : Stainless steel resists corrosion due to (A) Carbon (B) Sulphur (C) Vanadium (D) Chromium
Last Answer : Answer: Option D
Description : The yield strength and tensile strength of low carbon steel may be improved by the addition of (A) Manganese (B) Chromium (C) Nickel (D) Vanadium
Description : Residual magnetism in steel for magnets is increased by the addition of (A) Nickel (B) Cobalt (C) Tungsten (D) Chromium
Last Answer : (B) Cobalt
Description : Addition of __________ to the steel helps in increasing the residual magnetism in steel used for making magnets. (A) Chromium (B) Nickel (C) Tungsten (D) Cobalt
Last Answer : (D) Cobalt
Description : Entire cell is enclosed by a steel casing that is protected usually by _____ and _____. • Nickel, chromium • Chromium, molybdenum • Aluminium, molybdenum • Nickel, aluminium
Last Answer : • Chromium, molybdenum
Description : Explain the effect of nickel, chromium, silicon, molybdenum addition on the properties of steel.
Last Answer : 1) Effect of Nickel as alloying Element: i) Provides toughness, corrosion resistance, and deep hardening. ii) Increases resistance to impact iii ) Improves tensile strength 2. Effect ... temper brittleness. iv) increases strength. V0 Mo-carbides help increase creepresistance at elevated temps
Description : State the effects of chromium and molybdenum on the properties of steel.
Last Answer : 1) Chromium: i) It improves Ductility ii) It is added in different proportions upto 18 % iii) Below 1.5 % addition increases Tensile Strength iv) 12 % addition gives high ... iii) It improves Thermal Resistance iv) It gives ability to maintain Mechanical Properties at Elevated Temperatures
Description : What is the percentage of chromium in 18-4-1 high speed steel? (A) 1 (B) 4 (C) 18 (D) 23
Last Answer : (C) 18
Description : Which of the following metals is used for the manufacture of heating elements provided in electric iron? (1) Nickel (2) Chromium (3) Nichrome (4) Tungsten
Last Answer : (3) Nichrome Explanation: Nichrome is the most common domestic heating element and is found in many household products. Commonly, items such as toasters, hair dryers and heaters use nichrome coils to ... percent nickel and 20 percent chromium, and its high melting point of 1,400 degrees Celsius.
Description : Which of the following metals is used for the manufacture of heating elements provided in electric iron ? (1) Nickel (2) Chromium (3) Nichrome (4) Tungsten
Last Answer : Nichrome
Description : For the manufacture of stainless steel, steel is mixed with (A) Chromium (B) Nickel (C) Tungsten (D) None of these
Last Answer : Answer: Option A
Description : Which of the following has a very high carbide forming tendency in steels? (A) Silicon (B) Chromium (C) Nickel (D) Vanadium
Last Answer : (D) Vanadium
Description : Corrosion resisting properties of cast iron are significantly improved by the addition of 12 - 15% of (A) Tungsten (B) Vanadium (C) Silicon (D) All (A), (B) & (C)
Last Answer : (C) Silicon
Description : Primary designation of steel is based on its (A) Hardness & tensile strength (B) Carbon content (C) Iron content (D) Alloying elements content
Last Answer : (D) Alloying elements content Sh
Description : The maximum percentage of chromium that can be added to steel is about (A) 12 (B) 18 (C) 24 (D) 30
Last Answer : (B) 18