Chemical Engineering Basics Which of the following are made out of the carbon steel having carbon content of 0.9 to 1% ? Small punches, broaches reamers and springs Forgings like can shaft, structural steel plate, threading dies and drawing dies Cutlery, screws, rivets and files Mandrels, twist drills, small lathe tools and razors Small punches, broaches reamers and springs Forgings like can shaft, structural steel plate, threading dies and drawing dies Cutlery, screws, rivets and files Mandrels, twist drills, small lathe tools and razors ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following is an example of stress corrosion ? Season cracking of brass Both (a) & (b) Caustic embrittlement of steel Neither (a) nor (b) Season cracking of brass Both (a) & (b) Caustic embrittlement of steel Neither (a) nor (b) ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Sub zero treatment of steel is done to Suppress martensite transformation Enhance its working performance in sub zero atmosphere Reduce the retained austenite in hardened steel Induce temper brittleness after its hardening Suppress martensite transformation Enhance its working performance in sub zero atmosphere Reduce the retained austenite in hardened steel Induce temper brittleness after its hardening ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Out of the following, which will fracture most readity, when hit with a hard hammer ? Brass Bronze Cast iron German silver Brass Bronze Cast iron German silver ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Cold cracking in the heat affected zone of a high strength steel weld can take place because of the Sufficient hydrogen present in the welding arc Retained austenite Relatively high sulphur content in the base metal Martensite formation Sufficient hydrogen present in the welding arc Retained austenite Relatively high sulphur content in the base metal Martensite formation ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Tempering of a material does not improve its Toughness Machinability Softness Internal stress level Toughness Machinability Softness Internal stress level ANSWER DOWNLOAD EXAMIANS APP
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