MK-20 / KM-37 Portable Surface Supplied Diving Systems Practice Test

These questions are part of the practice quiz. Start practicing

• What should be verified when using a multi-meter to test an umbilical?
• At what PSI does each flask in the stackable compressed air rack assembly operate?
• What is considered the safe maximum working pressure for the KM-37 helmet?
• In what situation would you use the auto positive pressure test?
• What are the four purposes of the steady flow valve?
• Why is it imperative that the head cushion fits properly?
• What is the primary advantage of using a portable surface-supplied diving system like the MK-20?
• What is one advantage of surface supplied diving systems over SCUBA systems?
• In FADS3, what is the main purpose of the isolation valves on the top ports of each flask?
• What is the typical operating pressure range for the air supplied in a surface-supplied diving system like the MK-20?
• When testing communication cables, what should the resistance read approximately per 100 feet of length?
• What is the main advantage of using a surface-supplied system in commercial diving?
• How often should divers practice emergency drills?
• For the MK20 diving system, what is the average sustained flow rate required from the air supply system?
• What color is the communication line on the MK20 umbilical?
• Why is it important to inspect the diver's helmet prior to a dive?
• What does an umbilical system in diving typically provide?
• How does the MK-20 system maintain a safe breathing environment for divers?
• What characterizes a non-preamplified communication assembly for the MK20?
• What is the purpose of the nonreturn valve in the KM37 system?
• How should the diver respond to experiencing a rapid pressure change?
• What is the design pressure that the pressure rupture disk blows out at in the air supply rack assembly?
• What is a characteristic of the strength member in the diving umbilical?
• Which assembly is NOT part of the MK20's major components?
• What is the desired maximum overbottom pressure for the MK20 surface supplied diving system?
• What should a diver do in an out-of-air emergency?
• What are the major assemblies of the KM37 portable surface supplied diving system?
• What should a diver do if they feel disoriented underwater?
• What kind of problems can occur from rapid ascent during a dive?
• What is the purpose of the umbilical hose in the MK-20 system?
• What is a critical safety procedure before commencing a dive with the MK-20 System?
• What action should be taken if a diver loses communication with the surface?
• What does the abbreviation "SCUBA" stand for?
• What essential equipment is required when using surface supplied diving systems?
• What is a common indication that a diver should ascend?
• What should divers do if they experience dizziness or lightheadedness underwater?
• What is the role of a dive medical technician?
• What action is advised if a diver feels cold during the dive?
• Which of the following is NOT a type of basic umbilical construction?
• What should divers regularly check in their MK-20 system before a dive?
• What is one of the functions of the mini test kit in the MK20 system?
• Which of the following is NOT a purpose of the EGS?
• What is the primary use of the mini test kit for the MK20?
• What is the total weight of the FADS3 Volume Tank Assembly?
• What is the depth limit for the UBA MK 20 Mod 0 and 1 when used in SCUBA mode?
• What is the significance of testing comm cables for continuity?
• Which model of the MK20 is preferred for diving in enclosed spaces or category 3 contaminated water?
• How many divers and standby personnel can the stackable compressed rack assembly sufficiently support at a moderate heavy work rate?
• What is the purpose of the umbilical in the MK-20 Surface Supplied Diving System?
• What should divers do as part of their post-dive procedures?
• How much SCF of compressed air can the Air Supply Rack Assembly of the FADS3 hold at 5,000 PSI?
• Which component is NOT typically part of the umbilical?
• Which part of the MK-20 system is responsible for balancing the diver's internal pressure during ascent and descent?
• What is the maximum working limit for air in the KM37?
• When is the Emergency Gas Supply (EGS) mandatory for the KM37?
• What is the primary function of communication systems in surface supplied diving?
• Name one psychological effect divers may face during deep dives.
• Which diving condition could increase the risk of decompression sickness?
• Which MK20 model is considered more suitable for surface supplied diving?
• What is the main purpose of performing pre-dive checks on all equipment?
• What does the term "equalization" refer to in diving?
• Which of the following is a common training aspect for users of the MK-20 system?
• What is the maximum dive depth capability of the FADS3?
• What is the maximum overbottom pressure required from 0-60 FSW when diving the KM37?
• What are the major assemblies of the MK20?
• In the context of diving, what is the role of a safety stop?
• What is required before a dive can commence according to standard operating procedures?
• What is an important feature of the preamplified communication assembly?
• What is the rated working pressure for the MK20 hose?
• Dial-a-breath is capable of controlling up to what PSIG over bottom?
• What components make up a preamplified communication assembly in the MK20?
• What is the working pressure in PSIG of the Volume Tank Assembly on the FADS3?
• When diving with EGS SCUBA, the regulator should not be set lower than which pressure?
• How can divers effectively manage their air supply during a dive?
• How many types of basic umbilical constructions exist in diving systems?
• What are the primary components of the MK-20 system?
• When is mission maintenance required prior to a diving mission?
• What is the inside diameter of the strength member used in portable surface supplied diving systems?
• What regular maintenance check should operators perform on the regulator?
• How can a diver communicate with the surface during a dive?
• For what purpose is the harness D-ring located at the back of the MK20 used?
• What is the minimum overbottom pressure for surface supplied MK20 diving?
• What is the function of the breathing gas supply in the MK-20 system?
• What should divers do if they experience signs of decompression sickness?
• What is used for dry suit inflation on the KM37?
• What is the minimum overbottom pressure required from 61-130 FSW when diving the KM37?
• How does water temperature affect a diver's performance?
• How often must maintenance be performed during extended dive missions?
• What is the minimum strength that must be maintained by the strength member when the umbilical is tensioned?
• How many different configurations can the MK3 Mod 0 lightweight dive system be arranged into?
• What is the normal working limit for air on the KM37?
• What is a critical part of dive planning?
• What is included in the composition of an umbilical?
• Which MK20 rig is preferred for SCUBA mode?
• Which component is essential for ensuring proper buoyancy control in the MK-20 system?
• Why is it important to check the oxygen supply before a dive?
• What feature distinguishes the MK 20 Mod 0 as suitable for category 3 contaminated water?
• What is the maximum overbottom pressure required from 61-130 FSW when diving the KM37?
• What is the primary role of the dive supervisor during a diving operation?
• What is the positive pressure capability of the MK 20 Mod 0 provided to the Full Face Mask (FFM)?
• Which method helps ensure a diver's safety during communication underwater?
• What type of breathing pattern should divers maintain underwater?
• Why is a thorough pre-dive check important for the MK-20 system?
• What material type is the strength member typically made from?
• In which scenarios should a diver abort a dive?
• What is the maximum depth supported by the stackable compressed air rack assembly for two divers and one standby?
• What type of buoyancy control is generally used with surface supplied diving systems?
• What defines an adequate emergency gas supply (EGS) for divers?
• Which type of emergencies should divers be prepared to manage?
• What is the maximum depth the MK20 Mod 1 can support in SCUBA mode?
• Which type of gas is primarily used in the MK-20 diving system?
• What is the typical role of a diver in a surface supplied diving operation?
• How can underwater visibility be improved during a dive?
• How should a diver react to rapidly changing environmental conditions during a dive?
• In the context of diving, what does "buddy system" refer to?
• What is the minimum, desired, and maximum overbottom pressure required from 131-190 FSW when diving the KM37?
• Why is a good seal on the oral nasal assembly important?
• What average ACFM must the air supply system deliver to the diver?
• In the MK-20 system, what does the term 'umbilical' refer to?
• When is the MK20 Mod 0 second-stage demand regulator required?
• In terms of safety, what is a significant characteristic of surface supplied diving systems?
• What is the typical ascent rate recommended for divers?
• What type of diving is the MK-20 system primarily designed for?
• Which of the following is NOT a color option for the MK20 mask?
• What is a critical factor to confirm before starting a dive?
• What is the purpose of the condensate drain valve in the air supply rack assembly?
• What must be verified before proceeding to the operational dive site?
• What is the depth limit for the UBA MK 20 Mod 0 and 1 in surface supplied diving?
• What should the overbottom pressure be set to when diving with the MK20 scuba?
• How should the umbilical be configured for optimal safety?
• What is a common cause of dizziness while diving?
• What is the maximum operating depth for the MK-20 Surface Supplied Diving System?
• At what PSIG are the overpressure relief valves set to operate on the FADS3 control console assembly?
• What material is the dry suit of the KM37 comprised of?
• What does the positive pressure from the MK 20 Mod 0 help to do?
• What is the main use of a dive watch?
• What is the normal working limit for HEO2 in the KM37?
• At what temperature does the thermal fuse designed to relieve system pressure open?
• In what current must extra weight be added when diving with an MK20 in open water?
• What is an essential practice for maintaining diving equipment?
• What is the primary purpose of using a surface marker buoy during a dive?
• What is the purpose of a dive computer in surface supplied diving operations?
• What is the maximum depth limit for No-D dives?
• What is the significance of clear communication between the diver and dive supervisor?
• Why is regular training important for surface supplied divers?
• What type of operation does the FADS3 primarily support?
• What is the minimum overbottom pressure required from 0-60 FSW when diving the KM37?
• How many colors is the MK20 mask available in?
• What is the primary function of a regulator in diving equipment?
• In deep-sea diving, what does the term "decompression" refer to?
• What material is the face port of the KM37 made of?
• Which type of umbilical is associated with having the layers wound together in a spiral?
• What should the first stage regulator be adjusted to if the EGS is left topside?
• What is the maximum working limit for the MK20 surface supplied diving system?
• Why might a diver need to adjust their equipment before diving?
• What is the setting for the installed relief valve on the volume tank assembly of the FADS3?
• What critical safety aspect does the mini test kit assess besides check valve seal?
• Describe the function of the diver's helmet in the KM-37 system.
• What are the main two functions of the head cushion in the KM37?
• What might indicate that the breathing gas supply in the MK-20 system is compromised?
• What is the working pressure of the volume tank assembly on the lightweight dive system?
• What materials is the MK20 mask made from?
• What is the length of the hose assembly for the MK20 diving system?
• What is the maximum life expectancy of the rubber breathing gas hose in a diving system?
• What aspect of a diver's health does the MK-20 aim to support while they are underwater?
• What physiological effects should divers be aware of when underwater?
• How often is the MK-20 surface supply system required to be hydrostatically tested?
• What is the maximum working limit on HEO2 in KM37 diving?
• What is the purpose of the diver's buoyancy compensator?
• What safety feature is included in the MK-20 system to manage underwater pressure changes?
• What does FADS3 stand for in diving terminology?
• What is the capacity of each flask in a stackable compressed air rack assembly regarding SCF of compressed air?
• Which of these is a critical component of a diving helmet?
• When is an Emergency Gas Supply (EGS) required with the MK20 system?
• What is the maximum airflow capacity to check in the mini test kit for the MK20?
• What happens to the thermal fuse at elevated ambient temperatures?
• Which component supports a condensate drain valve on the air supply rack assembly?
• What is the maximum pressure that the installed relief valve on the volume tank assembly is designed to relieve?
• What should be included in a post-dive debriefing?
• What is the primary responsibility of a dive tender?
• How can divers manage their air supply effectively?
• What is the desired overbottom pressure required from 0-60 FSW when diving the KM37?