Materials and Construction Spark plugs, ignition tubes and electrodes are made of nickel __________ alloys. Iron Manganese Beryllium Copper Iron Manganese Beryllium Copper ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Bearings subjected to light load are made of White metal Monel Phosphorous bronze Silicon bronze White metal Monel Phosphorous bronze Silicon bronze ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A steel alloy containing 36% nickel is called __________ , which has a zero co- efficient of expansion. Invar Austenitic stainless steel Heat resisting steel High speed steel Invar Austenitic stainless steel Heat resisting steel High speed steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Slow and progressive deformation of a material with time under constant stress is called Erosion None of these Resilience Creep Erosion None of these Resilience Creep ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction An elastic behaviour of materials is expressed in terms of Hysterisis loop area None of these Stress-strain curve Relaxation time Hysterisis loop area None of these Stress-strain curve Relaxation time ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Straight silicon steel (containing Si from 0.5 to 5%) because of their low hysterisis loss and high magnetic permeability are used for electrical appliances. Which of the following electrical appliances made of silicon steel contains maximum percentage of silicon (about 4%)? Armature of small motors/generators High frequency transformers Generators and small motors Induction motors Armature of small motors/generators High frequency transformers Generators and small motors Induction motors ANSWER DOWNLOAD EXAMIANS APP
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