Chemical Engineering - Chemical Engineering Basics

21.
Which of the following materials has the least scrap value ?
Aluminium
Stainless steel
Brass
Copper
Answer: Option
Explanation:
No answer description is available. Let's discuss.

22.
Force between the molecules of the same substance is called __________ force.
adhesive
cohesive
molecular
Vander Walls
Answer: Option
Explanation:
No answer description is available. Let's discuss.

23.
Stresses encountered in the metal forming processes are less than the __________ of the material.
fracture strength
yield strength
elastic limit
limit of proportionality
Answer: Option
Explanation:
No answer description is available. Let's discuss.

24.
Which of the following is not a ferromagnetic material ?
Nickel
Cobalt
Aluminium
Iron
Answer: Option
Explanation:
No answer description is available. Let's discuss.

25.
Rain drops falling through atmospheric air attain limited terminal velocity, because of
upward thrust due to air.
viscous force exerted by air.
surface tension effects of water.
force of gravity.
Answer: Option
Explanation:
No answer description is available. Let's discuss.