Chemical Engineering - Chemical Engineering Basics

6.
Which of the following is not an ore of iron ?
Chalcopyrite
Magnetite
Hemetite
Limonite
Answer: Option
Explanation:
No answer description is available. Let's discuss.

7.
Which is the most lethal weapon ?
Atom (fusion) bomb
Hydrogen bomb
Cobalt bomb
Neutron bomb
Answer: Option
Explanation:
No answer description is available. Let's discuss.

8.
Reynolds number of a fluid flowing in a circular pipe is 10000. What will be the Reynolds number when the fluid velocity is decreased by 30% & the pipe diameter is increased by 30% ?
9100
13000
7000
2550
Answer: Option
Explanation:
No answer description is available. Let's discuss.

9.
An example of unsteady non uniform flow is the flow of liquid under pressure through a
tapering pipe at constant flow rate.
tapering pipe at either decreasing or increasing flow rate.
long pipeline of constant diameter.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

10.
Which of the following contributes maximum as main source of sulphur in the blast furnace charge ?
Sinter
Coke
Iron ore
Limestone
Answer: Option
Explanation:
No answer description is available. Let's discuss.