IndiaBIX

Chemical Engineering - Materials and Construction

Exercise : Materials and Construction - Section 3
6.
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.
Generators and small motors.
Induction motors.
High frequency transformers.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
Which of the following has the least value of ultimate tensile strength (UTS) ?
Medium carbon steel
High carbon steel
Cast iron
Wrought iron
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
__________ does not contain tin as an alloying material.
Brass
Pewter
Solder
Babbit metal
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
A metallic alloy in general as compared to their pure metal components is
more corrosion resistant.
having higher melting point.
having lower hardness, reactivity and fusibility.
having lower electrical conductivity.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
Pick out the wrong statement.
Wrought iron contains about 0.02% carbon.
Wrought iron can not be easily forged and welded.
The chilled cast iron does not contain graphite.
Spheroidal grey cast iron contains graphite flakes.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers