2-37. A cathode ray tube (CRT) is a type of vacuum
2-38. Which of the following equipment is
associated with cathode ray tubes (CRTs)?
1. Electronic warfare systems
4. All of the above
2-39. Excess stress on an electron tubes glass
envelope may cause which of the following
2-40. Which of the following hazards is/are
associated with an energized cathode ray tube
1. Shock hazard from high voltage
2. X-ray emissions
3. Both 1 and 2 above
4. Excess magnetic energy
2-41. Which of the following precautions applies to
the handling of a CRT?
1. Be careful when touching a CRTs
2. Always use gloves when lifting a CRT by
3. Follow the manufacturers handling
4. Keep a firm grasp on the CRT when
installing it from the front
2-42. When you dispose of a CRT locally, you
should follow the procedures prescribed by
which of the following persons?
1. Your supervisor
2. The safety officer
3. The executive officer
4. The commanding officer
2-43. Which of the following chapters of the Naval
Ships Technical Manual (NSTM) describes
procedures for the stowage, handling, and
disposal of consumables?
2-44. Most accidents result from not applying
proper safety principles and can be prevented.
2-45. Which of the following OPNAV instructions
explains qualification and certification for
supervisors of ammunition handling?
2-46. Which of the following safety terms has the
force of an order and must be obeyed?
2-47. Hazards that can cause personal injury are
indicated in notes by which of the following
2-48. Situations that can cause potential damage to
equipment are indicated in notes using which
of the following terms?
2-49. Where is the safety summary located in most
operation procedures (OPs)?
1. In an appendix
2. In the front pages
3. In an index
4. In a glossary