Which of the following stainless steels is non-magnetic? (A) Ferritic (B) Martenistic (C) Austenitic

Which of the following stainless steels is non-magnetic?
(A) Ferritic
(B) Martenistic
(C) Austenitic
by

1 Answer

Answer :

(C) Austenitic
by

Related questions

Which of the following stainless steels is non-magnetic? (A) Ferritic (B) Martenistic (C) Austenitic (D) None of these

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Last Answer : (C) Austenitic

18/8 steel is a/an __________ stainless steel. (A) Austenitic (B) Ferritic (C) Martensitic (D) None of these

Description : 18/8 steel is a/an __________ stainless steel. (A) Austenitic (B) Ferritic (C) Martensitic (D) None of these

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Pick out the wrong statement. (A) Metal/alloys having hexagonal crystal lattice structure are less malleable than those having cubic crystal lattice structure (B) Metal/alloys having body centred cubic (bcc) crystal lattice structure is stronger & less ductile than those having face centred cubic (fcc) crystal lattice structure (C) Tungsten has a body centred cubic (bcc) crystal lattice structure (D) Both ferritic & austenitic stainless steel has a face centred cubic (fcc) crystal structure

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Last Answer : (C) Tungsten has a body centred cubic (bcc) crystal lattice structure

Liquid nitrogen containers can be made from (A) Ferritic stainless steel (B) HSLA steel (C) Titanium (D) Austenitic stainless steel

Description : Liquid nitrogen containers can be made from (A) Ferritic stainless steel (B) HSLA steel (C) Titanium (D) Austenitic stainless steel

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Ferric stainless steels compared to austenitic stainless steels (A) Have lower corrosion resistance (B) Are harder to fabricate (C) Are less ductile and hence less suitable for cold pressing (D) All (A), (B) and (C)

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Weld decay occurs in which of the following steel types? a) Carbon/Manganese b) Low alloy c) Any stainless steel d) Austenitic stainless steels

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Cementite is in the lamellar form in the __________ phase of steel. (A) Martenistic (B) Bainitic (C) Pearlitic (D) Ferritic

Description : Cementite is in the lamellar form in the __________ phase of steel. (A) Martenistic (B) Bainitic (C) Pearlitic (D) Ferritic

Last Answer : Option C

Identify the false statement (A) Martensitic steels are less susceptible to pitting corrosion than austenitic steels (B) Pitting corrosion is usually very localised (C) Hydrogen embrittlement is facilitated by tensile stress (D) Stress corrosion cracking is facilitated by tensile stress

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Pick out the wrong statement (A) Hardening makes the steel more brittle (B) High alloy steels contain more than 50% alloying element (C) 18/8 stainless steel is a magnetic steel (D) Both (B) and (C)

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Which of the following crystal structures characterises the ferritic stainless steel? (A) Face centred cubic (B) Body centred cubic (C) Simple hexagonal (D) None of these

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Which of the following crystal structures characterises the austenitic stainless steel? (A) Simple hexagonal (B) Body centred cubic (C) Face centred cubic (D) None of these

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A steel alloy containing 36% nickel is called __________, which has a zero co-efficient of expansion. (A) Austenitic stainless steel (B) Heat resisting steel (C) Invar (D) High speed steel

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Generally __________ are subjected to galvanising (i.e., zinc coating). (A) Non-ferrous metals (B) Non-metals (C) Low carbon steels (D) Stainless steel

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Last Answer : (C) Low carbon steels

Pick out the wrong statement. (A) Weldability of high carbon steel is poorer compared to low carbon steel (B) Invar is a magnetic alloy (C) Magnetic permeability of the diamagnetic material is less than one (D) Martenistic transformation never goes to completion (i.e., 100%) at room temperature

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Last Answer : Option B

Manganese steels (A) Are non-magnetic (B) Possess high electrical resistance (C) Possess low coefficient of expansion (D) All the above

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For MPI using the prods method which of the following statements is true: a) It may cause arc damage on the specimen material surface b) It requires fewer operators therefore is easier c) It can be used with ferritic and non-ferritic materials d) It is quicker than using a yoke type electromegnet

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Last Answer : a) It may cause arc damage on the specimen material surface

Heating of ferromagnetic materials to a temperature above Curie temperature makes it (A) Insulator for heat & electricity transmission (B) Ferritic (C) Behave like paramagnetic materials (D) Superconductor

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Austenitic manganese steel used for making jaws of crushing machines contains about __________ percent manganese. (A) 1.5-2 (B) 3.5-4.5 (C) 7-9 (D) 12-14

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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

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What is austenitic or headfill steel ?

Description : What is austenitic or headfill steel ?

Last Answer : : Steel with 1% - 1.5% carbon and 11% - 15% manganese is called austenitic or Hadfield steel . This steel is very weak and brittle in cast condition but it can be made high strength , high ... and corrosion through heat dissipation process. Then its 50 mm. About 70-80% extension in length is found.

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

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Last Answer : (A) 0.1 to 0.35

Silico-manganese steels (containing 0.7% Mn, 0.5% C and 2% Si) (A) Do not require heat treatment for any of its applications (B) Are used for leaf and coiled springs (C) Do not have good resilience properties (D) Is tempered at 850°C

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Last Answer : (B) Are used for leaf and coiled springs

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

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Last Answer : (C) Nickel-chrome steel

Chrome vanadium steels usually contain 0.8 to 1.1% Cr, 0.25 to 0.35% C and < 0.25% V. It is (A) Used for making axle & shafts of aeroplanes, automobiles and locomotives (B) Having poor fatigue resistance (C) Having poor toughness (D) Not helpful in producing cleaner steel due to oxidising action of vanadium

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Last Answer : (A) Used for making axle & shafts of aeroplanes, automobiles and locomotives

Shock resisting steels should possess high (A) Hardness (B) Toughness (C) Tensile strength (D) Wear resistance

Description : Shock resisting steels should possess high (A) Hardness (B) Toughness (C) Tensile strength (D) Wear resistance

Last Answer : (B) Toughness

Molybdenum steels containing 0.15 to 0.40% molybdenum (A) Are prone to temper brittleness (B) Are used for automobile parts like gears, axle, shaft, bearings etc. (C) Have very poor fatigue resistance

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Last Answer : (B) Are used for automobile parts like gears, axle, shaft, bearings etc

__________ is used for determining the tensile strength of steels. (A) Hydraulic press (B) Universal testing machine (C) Mechanical press (D) None of these

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Last Answer : (B) Universal testing machine

Which of the following has a very high carbide forming tendency in steels? (A) Silicon (B) Chromium (C) Nickel (D) Vanadium

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

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

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

High speed cutting tool steels contain about __________ percent of tungsten. (A) 6-8 (B) 18-20 (C) 30-35 (D) 50-55

Description : High speed cutting tool steels contain about __________ percent of tungsten. (A) 6-8 (B) 18-20 (C) 30-35 (D) 50-55

Last Answer : (B) 18-20

Presence of SO2 in furnace gases attacks the ferrous metal by way of (A) Accelerating the rate of scaling (B) Causing metal embrittlement (C) Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature (D) All (A), (B) and (C)

Description : Presence of SO2 in furnace gases attacks the ferrous metal by way of (A) Accelerating the rate of scaling (B) Causing metal embrittlement (C) Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

Coarse grained steels have (A) Low toughness (B) No tendency to distort (C) High density (D) Very high toughness

Description : Coarse grained steels have (A) Low toughness (B) No tendency to distort (C) High density (D) Very high toughness

Last Answer : (B) No tendency to distort

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

Description : 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 ... of carbon and other element occurs in the weld pool leading to poor properties of the weld

Last Answer : (C) Martensite forms in the heat affected zone leading to poor toughness/ductility of the weld

Earing is a defect found in steels after the following metal working operation. (A) Extrusion (B) Rolling (C) Deep drawing (D) Wire drawing

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Fine grained steels have (A) High brittleness (B) Higher tendency to distort (C) High ductility (D) None of these

Description : Fine grained steels have (A) High brittleness (B) Higher tendency to distort (C) High ductility (D) None of these

Last Answer : (C) High ductility

Most important property of steels for use in automobile bodies is the (A) Formability (B) Yield strength (C) Toughness (D) Resilience

Description : Most important property of steels for use in automobile bodies is the (A) Formability (B) Yield strength (C) Toughness (D) Resilience

Last Answer : (A) Formability

Heating the Hypo-eutectoid steels to 30°C above the upper critical temperature line, soaking at that temperature and then cooling slowly to the room temperature to form a pearlite & ferrite structure is called (A) Tempering (B) Hardening (C) Annealing (D) Normalising

Description : Heating the Hypo-eutectoid steels to 30°C above the upper critical temperature line, soaking at that temperature and then cooling slowly to the room temperature to form a pearlite & ferrite structure is called (A) Tempering (B) Hardening (C) Annealing (D) Normalising

Last Answer : Option C

Machinability of hard alloys and tool steels is improved by (A) Spheroidising (B) Annealing (C) Tempering (D) Normalising

Description : Machinability of hard alloys and tool steels is improved by (A) Spheroidising (B) Annealing (C) Tempering (D) Normalising

Last Answer : Option B

Hydrogen in liquid steels is dissolved (A) As tiny gas bubbles (B) In the atomic form (C) In the ionic form (D) In the molecular form

Description : Hydrogen in liquid steels is dissolved (A) As tiny gas bubbles (B) In the atomic form (C) In the ionic form (D) In the molecular form

Last Answer : Option A

Hydrogen in liquid steels is dissolved (A) As tiny gas bubbles (B) In the atomic form (C) In the ionic form (D) In the molecular form

Description : Hydrogen in liquid steels is dissolved (A) As tiny gas bubbles (B) In the atomic form (C) In the ionic form (D) In the molecular form

Last Answer : Option A

Secondary hardening in steels arises out of the (A) Precipitation of fine alloy carbides at high temperatures (B) Refinement of ferrite grain size by working (C) Decomposition of retained austenite upon heat treatment (D) Precipitation of complex inter-metallic upon heat treatment

Description : Secondary hardening in steels arises out of the (A) Precipitation of fine alloy carbides at high temperatures (B) Refinement of ferrite grain size by working (C) Decomposition of retained austenite upon heat treatment (D) Precipitation of complex inter-metallic upon heat treatment

Last Answer : Option C

Maraging steels derive their strength from the following mechanism: (A) A fine, highly dislocated and strong martensite (B) Fine dispersions of inter-metallic of Fe, Ni, Ti etc (C) Fine dispersions of alloy carbides in a ferrite matrix (D) Fine dispersions of Fe3 C nucleated on dislocations in austenite

Description : Maraging steels derive their strength from the following mechanism: (A) A fine, highly dislocated and strong martensite (B) Fine dispersions of inter-metallic of Fe, Ni, Ti etc (C) Fine ... alloy carbides in a ferrite matrix (D) Fine dispersions of Fe3 C nucleated on dislocations in austenite

Last Answer : Option A

______is extensively used for those portions of magnetic circuit which carry steady flux and need superior mechanical properties ? (a) Grey cast-iron (b) Cast steel (c) High carbon steel (d) Stainless steel

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Last Answer : (b) Cast steel

Galvanising is generally done on (A) Non-ferrous metals (B) Low carbon steel (C) Stainless steel (D) Cast iron

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Last Answer : (B) Low carbon steel

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) Plastic deformation of a material is its temporary distortion under the action of applied stress (D) Rusting of iron is not electrochemical in nature

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

Where is the best roofing sheet provider (JSW roofing sheet,MS PIPES ) in Dindigul tamilnadu like Shree Sivabalaaji Steels Private Limited Dindigul.Tamil nadu?

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What is temper embrittlement in alloy steels and what are its effects ?

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Last Answer : Embrittlement attack is usually intergranular in metals, i.e. cracks progress between the grains of the polycrystalline material. It imparts a tendency to fail under a static load after a given period of time in those alloy steels which are susceptible to embrittlement.

List two effects of manganese in plain carbon steels.

Description : List two effects of manganese in plain carbon steels.

Last Answer : Manganese increases tensile strength and hardness. It decreases weldability.

Discuss the role of manganese in alloying steels.

Description : Discuss the role of manganese in alloying steels.

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What is the role of silicon as alloying element in steels ?

Description : What is the role of silicon as alloying element in steels ?

Last Answer : Silicon contributes greatly to the production of sound steel because of its deoxidizing and degasifying properties. When added in amounts up to 2.5%, the ultimate strength of the steel ... properties of steel. Silicon increases the electrical resistivity of steel and decreases hysteresis losses.