Chemical Engineering - Chemical Engineering Basics

36.
Silicon crystal can be converted to p-type semi-conductor by doping with
phosphorous
nitrogen
carbon
boron
Answer: Option
Explanation:
No answer description is available. Let's discuss.

37.
Large diameter reinforced cement concrete (RCC) pipes are generally joined by __________ joint.
flanged iron
collar
flexible
expansion
Answer: Option
Explanation:
No answer description is available. Let's discuss.

38.
Increase in the entropy of a system represents the
degradation of energy.
decrease in system pressure.
increase in the availability of energy.
increase in the temperature.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

39.
Property responsible for the talcum powder to cling to the skin is the
capillary action
adhesion
cohesion
surface tension
Answer: Option
Explanation:
No answer description is available. Let's discuss.

40.
__________ has a negative co-efficient of linear expansion.
Iron
Copper
Rubber
Nickel
Answer: Option
Explanation:
No answer description is available. Let's discuss.