Explore topic-wise MCQs in Manufacturing Processes.

This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Manufacturing Processes knowledge and support exam preparation. Choose a topic below to get started.

1.	High concentrations of oxidant result in isotropic etching.
A.	True
B.	False
Answer» B. False

Discussion

2.	The etching rate is determined by the HF concentration when the ratio acid/oxidant is lower than _____
A.	50%
B.	60%
C.	68%
D.	70%
Answer» E.

Discussion

3.	At high concentrations of HF, the etching rate is determined by _____
A.	oxidant
B.	oxidant concentration
C.	temperature of the oxidant
D.	material to be etched
Answer» C. temperature of the oxidant

Discussion

4.	In metal-assisted etching of porous silicon, the oxidant is reduced at the noble metal surface.
A.	True
B.	False
Answer» B. False

Discussion

Explore topic-wise MCQs in Manufacturing Processes.

High concentrations of oxidant result in isotropic etching.

The etching rate is determined by the HF concentration when the ratio acid/oxidant is lower than _____

At high concentrations of HF, the etching rate is determined by _____

In metal-assisted etching of porous silicon, the oxidant is reduced at the noble metal surface.