Nano Therapeutics Assistant Manager- Purchase Interview Questions and Answers

Clean rooms are classified based on the number of particles per cubic meter of air.

• Class 1: <1 particle of size 0.5 microns or larger per cubic foot of air

• Class 10: <10 particles of size 0.5 microns or larger per cubic foot of air

• Class 100: <100 particles of size 0.5 microns or larger per cubic foot of air

• Class 1000: <1000 particles of size 0.5 microns or larger per cubic foot of air

• Class 10000: <10000 particles of siz

The pH of acids is less than 7, while the pH of bases is greater than 7.

• Acids have a pH value less than 7.

• Bases have a pH value greater than 7.

• Neutral substances have a pH value of 7.

• pH scale ranges from 0 to 14.

• Examples of acids: lemon juice, vinegar.

• Examples of bases: baking soda, soap.

A Vernier caliper is a measuring instrument used to measure the dimensions of objects with high accuracy.

• It consists of a main scale and a sliding vernier scale.

• The main scale is fixed and provides the primary measurement.

• The vernier scale slides along the main scale and provides the fractional measurement.

• It is commonly used in engineering, manufacturing, and scientific fields.

• It can measure internal and external dime...read more