Sensors and Actuators Week 3 Nptel Assignment Answers
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Sensors and Actuators Week 3 Nptel Assignment Answers (Jan-Apr 2025)
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With regards to cleanrooms, what does PPE stand for?
a. Personal protocol equipment
b. Protective protocol equipment
c. Personal protective equipment
- Complete the following sentence:
“In the microfabrication facility, the desiccators are used for ———–”
a. Substrate heating
b. Storing substrates in vacuum
c. Substrate cleaning
- Evaluate whether the below statement is true or false:
“During the video demonstration, the Impedance analyzer was performing a two-probe measurement, which is more accurate than a four-probe measurement.”
a. True
b. False
- Which class of biosafety cabinet provides product, personnel, and environmental protection?
a. Class 1
b. Class 2
c. Class 3
- Evaluate whether the below statement is true or false:
“In photolithography, soft bake is performed at 50 degrees centigrade for 1 minute.”
a. True
b. False
- Which among the following materials can be used to fabricate microheaters?
a. Diamond
b. Silicon dioxide
c. Nichrome
- Which among the following is used as a photoresist stripper?
a. Ethanol
b. Isopropyl alcohol
c. Acetone
d. BHF
- Complete the following:
“In ………… wet etching, the etch rate is dependent on the crystallographic orientation of the substrate.”
a. Isotropic
b. Anisotropic
- Evaluate whether the below statement is true or false:
“Deep reactive ion etching enables very low aspect ratio etches to be performed into the silicon substrates.”
a. True
b. False
- Which among the following is used as the etchant of silicon dioxide?
a. Ethanol
b. Isopropyl alcohol
c. BHF
Sensors and Actuators Week 3 Nptel Assignment Answers
For answers to others Nptel courses, please refer to this link: NPTEL Assignment
