Chemical Engineering - Materials and Construction

46.
Rotary driers are generally made of
cast iron
mild steel
high silicon iron (14% Si)
tin lined with refractory bricks
Answer: Option
Explanation:
No answer description is available. Let's discuss.

47.
Presence of high phosphorous in cast iron increases its
fluidity
melting point
shrinkage
tensile strength
Answer: Option
Explanation:
No answer description is available. Let's discuss.

48.
The phenomenon in which slow extension of material takes place with the time at constant load is called
plasticity
creep
elasticity
ductility
Answer: Option
Explanation:
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49.
A material capable of undergoing large permanent deformation, when subjected to compression is termed as
malleable
ductile
brittle
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.

50.
__________ is used for examining the macro-structure of a material.
Metallurgical microscope
Optical microscope
X-rays
Visual inspection by naked eye
Answer: Option
Explanation:
No answer description is available. Let's discuss.