QUESTIONS AND CORRECT ANSWERS
What are several considerations when planning a dive? - CORRECT ANSWER 1.
Bottom time
2. Preplanning
3. Equipment
4. Environmental Conditions
5. Diver Protection
6. Emergency Assistance
7. Weather
8. ORM
9. Collect and analyze data.
What data is required for all diving operations? - CORRECT ANSWER Surface
Conditions.
Underwater Conditions
Equipment and Personnel resources
Assistance and Emergency
What are several types of Currents? - CORRECT ANSWER River or Major ocean
currents
Ebb Tides
Undertow or Rip Current
Wind-Generated Surface Current
A diver in MK-21/KM-37 can usually work in what level of current without difficulty? -
CORRECT ANSWER A diver in MK-21/KM-37 can usually work in currents up to 1.5
knots without difficulty.
, A diver in MK-21/KM-37 equipped with additional weight may be able to work in currents
up to ____? - CORRECT ANSWER A diver with additional weight may be able to
work in currents up to 2.5 knots.
A SCUBA diver may be severely handicapped in currents above ______? - CORRECT
ANSWER A SCUBA diver may be unable to work in currents greater than 1 knot.
What is required for a SCUBA diver if the current is greater than 1 knot? - CORRECT
ANSWER If current is greater than 1 knot, as a minimum the diver must be tended or
have a witness float.
What factors should a supervisor consider when selecting the diving technique (UBA)? -
CORRECT ANSWER A supervisor should consider environmental conditions, the
work to be performed, depth and duration, as well as time constraints.
What are the five basic criteria for a Diver's Air Supply? - CORRECT ANSWER 1.
Purity Standards
2. Sufficient flow to diver
3. Adequate over-bottom pressure
4. Adequate air supply to support depth and duration
5. A secondary air supply shall be available for SSD.
What are the pre-dive responsibilities? - CORRECT ANSWER 1. Dive supervisor shall
be included in preparing operational plans.
2. The Dive Sup shall consider contingencies, determine equipment requirements and
assignments, and establish back-up requirements for the operation.
3. Dive Sup shall be familiar with all divers on the team
4. Dive Sup inspects all equipment and conducts pre-dive briefings of personnel.
What are the post-dive responsibilities? - CORRECT ANSWER When the mission has
been completed, the Dive Sup gathers appropriate data, prepares reports and submits to
higher authority, and ensures required records are completed.