Materials and Construction An elastic behaviour of materials is expressed in terms of Stress-strain curve Relaxation time None of these Hysterisis loop area Stress-strain curve Relaxation time None of these Hysterisis loop area ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Steel tower used for the storage of oleum Is lined with rubber Is lined with lead Need not be lined Is lined with acid-proof bricks Is lined with rubber Is lined with lead Need not be lined Is lined with acid-proof bricks 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%)? Generators and small motors High frequency transformers Armature of small motors/generators Induction motors Generators and small motors High frequency transformers Armature of small motors/generators Induction motors ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction All materials obey Hooke's law within elastic limit. When elastic limit is reached, the tensile strain Increases in proportion to stress Decreases very quickly Decreases in proportion to stress Increases very quickly Increases in proportion to stress Decreases very quickly Decreases in proportion to stress Increases very quickly ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Specify the material of construction suitable for handling concentrated HNO₃ at 100°C. Stainless steel Tin and wood High silicon iron, Kel-F and teflon Silicone rubber Stainless steel Tin and wood High silicon iron, Kel-F and teflon Silicone rubber ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The softest material in Mho's scale (for measuring hardness) is None of these Rubber Talc Gypsum None of these Rubber Talc Gypsum ANSWER DOWNLOAD EXAMIANS APP
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