2-12.   There are four classes of rubber gloves. Which class is not approved for working with 850 volts? 1.  I 2.  II 3.  III 4. 0 2-13.   What is the recommended way to discharge a high-value capacitor? 1.  Turn the equipment off 2.  Turn the equipment on 3.  Use a shorting probe 4.  Use a multimeter 2-14.   Which of the following statements is true concerning eye protection equipment? 1.  It is an option in hazardous areas 2.  It is not required when walking round eye hazardous activities 3.  It should be stored properly 4.  It is not always required in hazardous areas 2-15.   You must use hearing protection when you enter a space where the noise exceeds what level? 1.  54 decibels 2.  64 decibels 3.  74 decibels 4.  84 decibels 2-16.   You need respiratory protection when you perform all but which of the following operations? 1.  Cleaning circuit cards with spray solvents 2.  Priming or painting antenna bases 3.  Chipping chromate-based paints while removing corrosion 4.  Repainting  equipment when working in the open air 2-17.   Rubber matting should be rated for use in work areas where the voltages will NOT exceed what value? 1.  2,000 volts 2.  3,000 volts 3.  4,000 volts 4.  6,000 volts 2-18.   Hazardous materials are substances that pose a threat to human health or the environment when used incorrectly or spilled accidentally. 1.  True 2.  False 2-19.   Each hazardous material label must provide all but which of the following information? 1.  Name of the material 2.  Name of the transporting agent 3.  Name and address of the manufacturer 4.  The nature of the hazard(s), including the target organ affected by the material 2-20.   Material Safety Data Sheets (MSDSs) are provided in which of the following formats in the Navy? 1.  On CD-ROM only 2.  In printed publication only 3.  On floppy diskette only 4.  On the Internet only 2-21.   Which of the following information will you find on an MSDS? 1.  Manufacturer’s name 2.  Expiration date 3.  Container labeling 4.  Fire and explosion hazard data 2-22.   What is the relationship between the Hazardous Material User’s Guide (HMUG) and MSDSs? 1.  The HMUG supercedes the MSDSs 2.  The HMUG supplements the MSDSs 3.  The HMUG replaces the MSDSs 4.  The HMUG clarifies the MSDSs 2-23.   The Hazardous Material User’s Guide (HMUG) includes guidance for which of the following items? 1.  Ammunition 2.  Medical/pharmaceutical supplies 3.  Propellants 4.  Solvents 2-24.   How many sizes of labeling for hazardous material does the Department of Defense use? 1.  One 2.  Two 3.  Three 4.  Four 8