WorksheetsTATA - ASSEMBLY PRACTICE
Total questions: 24
Worksheet time: 23mins
•1. A clean room is a controlled environment that has a low level of pollutants --------------------------------
(a)
•2. Cleanrooms are used in industry where ---------------- can adversely affect the manufacturing process.
(a)
•3.--------rooms are used in extensively in industries such as Semiconductor manufacturing , pharmaceuticals , biotech, medical devices , precision assembly .
(a)
•4.Personnels selected to work in clean rooms undergo extensive training in contamination control theory .
True
False
•5. Personnel enter and exit the cleanroom through ------------------and wear the ---------------
(a)
•6. The special clothing is designed to trap the contaminants that are naturally generated by ----------------
(a)
•7. Clean area means clean air , stable temperature , stable humidity, clean water , gases , chemicals , lighting , processing – equipment inspection and test equipment's , room infrastructure etc. – T OR F
True
false
•8. An enclosed chamber designed to clean personnel and their garments of contamination particulate matter by means of---------------
(a)
Air locks helps to keep the clean room pressurized and free from
(a)
•10.Pass Box used to pass materials ------------- of a clean room .
(a)
•11. Clean room garments made of ---------------------.
(a)
•12. A --------------- equal to one thousandth of millimeter.
(a)
13. What is the purpose of clean room ?
(a)
•14.Clean room garments will be left in the --------------when leaving clean room at the end of shifts.
(a)
•15. All writing will be done with ball point pen; no erasers will be allowed. – T OR F
(a)
•16. Valuables like ornaments, watches etc. may be kept on their person, but should not be exposed to the atmosphere of the clean room. T or F
(a)
•17. What are the factor need to be considered in clean room ?
(a)
•18. Uncontrolled environment can lead to----------------------.
(a)
•19. Cleanrooms maintain particulate-free air through the use of either ---------------- filters employing laminar or turbulent air flow principles.
(a)
•20. Laminar, or unidirectional, air flow systems direct filtered air--------- in a constant stream
(a)
•21. Laminar flow criteria is generally stated in portable work stations (LF hoods), and is mandated in ------ through --------- classified cleanrooms.
(a)
•22.Always one must follow the quality assurance procedures. T or F
(a)
•24. Name some primary and secondary sources of contaminants .
(a)
•25. Contamination sources are 75% because of -----------remaining 15% ventilation , 5% room structure , 5% equipment .
(a)
