Non-ferrous alloys used for making cutting tools need not have high (A) Abrasion resistance
(B) Toughness
(C) Red hardness
(D) Cutting speed

1 Answer

Answer :

(C) Red hardness

Related questions

Description : Presence of manganese in alloy steel improves its (A) Corrosion resistance (B) Cutting ability (C) Abrasion resistance & toughness (D) Elasticity & creep resistance

Last Answer : (C) Abrasion resistance & toughness

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

Last Answer : (B) Toughness

Description : Nylon-6 as compared to nylon 66 has lower (A) Abrasion resistance (B) Thermal stability (C) Adhesion to rubber (D) Hardness

Last Answer : (A) Abrasion resistance

Description : Higher percentage of ash in coal meant for the production of metallurgical grade coke (A) Decreases the hardness of coke (B) Decreases the abrasion resistance of coke (C) Causes brittleness in steel (D) None of these

Last Answer : (D) None of these

Description : Increase in ash content of blast furnace coke (A) Reduces its consumption in the furnace (B) Increases its consumption in the furnace (C) Does not affect its consumption in the furnace (D) Decreases its hardness and abrasion resistance

Last Answer : (B) Increases its consumption in the furnace

Description : Nylon-6 as compared to Nylon-66 is having higher (A) Hardness (B) Abrasion/resistance (C) Melting point (D) None of these

Last Answer : (D) None of these

Description : M10 index of coke indicates its (A) Compressive strength (B) Hardness (C) Abrasion resistance (D) Impact strength

Last Answer : Option C

Description : M10 index of coke indicates its (A) Compressive strength (B) Hardness (C) Abrasion resistance (D) Impact strength Answer: Option C

Last Answer : Option C

Description : The ability of a material to offer resistance to scratching or indentation is a measure of its (A) Brittleness (B) Toughness (C) Hardness (D) Resilience

Last Answer : (C) Hardness

Description : Nickel as a material of construction (A) Is used as an alloying element for both ferrous & non-ferrous alloys (B) Is paramagnetic below 415° C (its Curie temperature) (C) Diamagnetic (D) Has a body centred cubic (bcc) crystal lattice structure

Last Answer : (A) Is used as an alloying element for both ferrous & non-ferrous alloys

Description : The addition of antimony in tin-based alloys improves its (A) Rupture strength and hot hardness (B) Impact strength and bonding strength (C) Deformation resistance (D) Wear resistance

Last Answer : (C) Deformation resistance

Description : Alloys having more than 80% copper are generally more (A) Abrasion resistant (B) Corrosion resistant (C) Prone to season cracking (D) Machinable

Last Answer : (B) Corrosion resistant

Description : Weld decay will cause which of the following problems? a) A reduced resistance to corrosion b) a lower tensile strength c) The toughness is reduced d) The hardness will increase

Last Answer : a) A reduced resistance to corrosion

Description : Which of the following tests measures the toughness of road aggregates? (A) Crushing strength test (B) Abrasion test (C) Impact test (D) Shape test

Last Answer : Answer: Option C

Description : Pick out the wrong statement. (A) Cokes of high reactivity are obtained from weakly coking coals (B) Cokes of high reactivity are obtained from strongly coking coals (C) Reactivity of coke is inversely proportional to its absolute density (D) Abrasion index of the coke is a measure of its hardness

Last Answer : (B) Cokes of high reactivity are obtained from strongly coking coals

Description : Muntz metal is a/an alloys of (A) Magnesium & tin (B) Ferrous material (C) Lead & tin (D) Copper & zinc

Last Answer : (D) Copper & zinc

Description : Nylon-66 compared to nylon-6 has (A) Lower melting point (B) More abrasion resistant properties (C) Higher hardness (D) All (A), (B) and (C)

Last Answer : (C) Higher hardness

Description : Detrimental property of a material for shock load applications (a) High density (b) Low toughness (c) High strength (d) Low hardness  

Last Answer : (b) Low toughness

Description : Grindability of a material does not depend upon its (A) Elasticity (B) Hardness (C) Toughness (D) Size

Last Answer : (D) Size

Description : _______ property of a material is determined by the Herbert Pendulum device. (A) Hardness (B) Tensile (C) Toughness (D) Compressive

Last Answer : (A) Hardness

Description : Pick out the correct statement. (A) Hot worked materials are subjected to annealing to remove internal stresses (B) Annealing of steel hardens it slightly (C) Normalising of a material induces stresses (D) Tempering of a material improves ductility & toughness but reduces hardness & brittleness

Last Answer : (D) Tempering of a material improves ductility & toughness but reduces hardness & brittleness Share

Description : High speed steel should have high (A) Toughness (B) Wear resistance (C) Hardenability (D) Both (B) & (C)

Last Answer : (D) Both (B) & (C)

Description : Stellite is a __________ material. (A) Ferrous (B) Ceramic (C) Cemented carbide (D) Non-ferrous cast alloy cutting tool

Last Answer : (D) Non-ferrous cast alloy cutting tool

Description : High speed steel tools retain their hardness upto a temperature of __________ °C. (A) 500 (B) 750 (C) 900 (D) 1100

Last Answer : (C) 900

Description : High speed steel tools retain their hardness upto a temperature of __________ °C. (A) 500 (B) 750 (C) 900 (D) 1100

Last Answer : Option C

Description : List any four properties of ferrous alloys.

Last Answer : Properties of ferrous alloys:  a) Heat resistant alloy steel - i. hard wearing and offer resistance to large variation in temperatures. ii. corrosion resistance iii. oxidation resistance iv. ... to chromium content. ii. Non-magnetic iii. Good weldability iv. Good heat resistant.

Description : 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) ... resistance (C) Having poor toughness (D) Not helpful in producing cleaner steel due to oxidising action of vanadium

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

Description : Addition of tungsten to steel imparts (A) Magnetic properties (B) Cutting hardness (C) Corrosion resistance (D) Ductility

Last Answer : (B) Cutting hardness

Description : The area under stress-strain curve represents a.Hardness of material b.Breaking strength of the material c.Energy required to cause failure d.Toughness of material e.Malleabbility of material

Last Answer : c. Energy required to cause failure

Description : The ability of materials to develop a characteristic behavior under repeated loading known as ___________ a) Toughness b) Resilience c) Hardness d) Fatigue

Last Answer : d) Fatigue

Description : Smith's test of stones is performed to find out (A) The presence of soluble matter of stone (B) The compressive strength of the stone (C) The hardness of the stone (D) The toughness of the stone

Last Answer : Answer: Option A

Description : The important test to be conducted on a stone used in docks and harbours is (A) Hardness test (B) Workability test (C) Weight test (D) Toughness test

Last Answer : Answer: Option C

Description : Define the terms: i) Hardness ii) Toughness iii) Brazing iv) Machinability

Last Answer : i) Hardness:- Hardness is the property of metal possessed by a material which enables it to resist penetration or abrasion or scratching by other material. Diamond is the hardest of known materials.  ... can be easily cut by cutting tools to produce a desired shape & surface finish on its surface

Description : Abrasion, cutting, and peeling are examples of what type of protective material removal?

Last Answer : Mechanical.

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 : High ash containing coke (A) Produces more slag when used in the blast furnace (B) Has poor strength and abrasion resistance (C) Is desirable in producer gas manufacture (D) None of these

Last Answer : (A) Produces more slag when used in the blast furnace

Description : Cermets are used for making (A) Cutting tools (B) Abrasives (C) Both (A) & (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) & (B)

Description : Cold work tool steel should have (A) High toughness (B) Poor hardenability (C) High wear resistance (D) All (A), (B) & (C)

Last Answer : (C) High wear resistance

Description : __________ furnace is generally used in the non-ferrous foundries. (A) Direct arc (B) Indirect arc (C) Resistance (D) Induction

Last Answer : (B) Indirect arc

Description : High degree of toughness is a must for (A) High speed steel (B) Shock resisting steel (C) Cold work tool steel (D) None of these

Last Answer : (B) Shock resisting steel

Description : The pigment used in paints for corrosive resistance, is (A) White lead (B) Ferrous oxide (C) Zinc white (D) Red lead

Last Answer : Answer: Option D

Description : Monel alloy is (A) The costliest of all the alloys of nickel (B) Not suitable for making kitchen utensils (C) Used for making steam valves and turbine blades as it resists steam attack at high temperature (D) Not used in cast and wrought forms

Last Answer : (C) Used for making steam valves and turbine blades as it resists steam attack at high temperature

Description : High resistance electrical heating elements/wire are not made of (A) Maraging steel (B) Nimonic alloys (C) Kanthal wire (D) Nichrome

Last Answer : (A) Maraging steel

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 : Log Angles machine is used to test the aggregate for (A) Crushing strength (B) Impact value (C) Abrasion resistance (D) Water absorption

Last Answer : Answer: Option C

Description : Los Angles machine is used to perform (a) Crushing strength (b) Impact test (c) Water absorption (d) Abrasion resistance test

Last Answer : (d) Abrasion resistance test

Description : The resistance of an aggregates to wear is known as (a) Shear value (b) Crushing value (c)Abrasion value (d) Impact value

Last Answer : (c)Abrasion value

Description : The resistance of an aggregates to compressive forces is known as (a) Crushing value (b) Impact value (c)Abrasion value (d) None of these

Last Answer : (a) Crushing value

Description : The clinical advantage of porcelain laminate veneers over composite resin veneers is: A. Color stability and resistance to abrasion B. Availability of self-curing or light activated placement (yes but not ... dentist's abilities) D. May be used in edge to edge occlusion or Class III relationships.

Last Answer : A. Color stability and resistance to abrasion

Description : The largest consumption of zinc for alloys is in the making of (A) Bearing metal (B) Brasses (C) Brazing solder

Last Answer : (B) Brasses