Chemical Engineering - Chemical Engineering Basics

1.
With increase in carbon percentage in steel, its
yield stress decreases.
elongation percent increases.
tensile strength increases.
impact strength increases.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

2.
Percentage of gaunge is maximum in the ore of
iron
gold
zinc
copper
Answer: Option
Explanation:
No answer description is available. Let's discuss.

3.
The forms in which various metals and non metals occur in nature are called minerals. Which of the following is not a metallic ferrous mineral?
Cassiterite
Sphalerite
Chalcopyrite
Calcite
Answer: Option
Explanation:
No answer description is available. Let's discuss.

4.
Pick out the wrong statement.
Dry bulb temperature, wet bulb temperature & dew point are the same in case of saturated air.
Dew point is reached by cooling the humid air at constant moisture content.
Heating of humid air is done for its dehumidification.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

5.
The most commonly used material for sewers for carrying sewage in the normal situation is
asbestos cement
stainiess steel
stoneware
cast iron
Answer: Option
Explanation:
No answer description is available. Let's discuss.