CENSECFOR Operation Training - M2HB
Machine Gun
Proper weapon handling is whose responsibility? - ANS - The person in control of the weapon
Pointing or aiming a functional weapon at any person or thing is unlawful exc
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CENSECFOR Operation Training - M2HB
Machine Gun
Proper weapon handling is whose responsibility? - ANS - The person in control of the weapon
Pointing or aiming a functional weapon at any person or thing is unlawful except when? - ANS -
When required in the performance of duty
The most prevalent factor in accidents involving firearms is which of the following? - ANS -
Assumption that the weapon is not loaded
A weapon's readiness to fire and its corresponding safety status are described using one of how
many numbered Condition Codes? - ANS - Four
to prevent unintentional injury to personnel or damages to property that could occur when
handling or transferring possession of a weapon is the rationale for which of the below safety
rules? - ANS - Rule 1: Treat every weapon as if it were loaded
which safety notation if not strictly observed, could result in injury to, or death of personnel? -
ANS - Danger
Which of the below statements best describes Weapon Condition Code 4? - ANS - No
ammunition present on Feedway, bolt forward on empty chamber, cover assembly closed
When given the command to Load and Make Ready you should do which of the following? -
ANS - Take the weapon from Condition 4 to Condition 1
To minimize the risk of firing any weapon negligently and reinforce positive identification is the
rationale for which of the below safety rules? - ANS - Rule 3: Keep your finger straight and off
the trigger until ready to fire
which safety notation which if not strictly observed, WILL result in serious injury to, or death of
personnel - ANS - Warning
The M2HB has a maximum effective range of ______? - ANS - 2,000 yds
The Cyclic Rate of Fire for the M2HB is ______ rounds/min - ANS - 450-600 rds/min
The service life of the M2HB is _____ rounds - ANS - 50,000 rds
The M2HB has _____ major component groups - ANS - 8
The _____ absorbs recoiling shock and provides energy for the bolt assembly to feed, strip,
chamber and fire the following roud of belted ammuntion - ANS - Driving spring rod assembly
The _____ absorbs recoil of the barrel and barrel extension. Assists in counter-recoil forces -
ANS - Barrel buffer assembly
On the M2HB you should lubricate the exterior of backplate assembly very slightly using a clean
wiping rag saturated with - ANS - Lubricating Oil
When cleaning the Bolt Assembly and Rod Assembly, clean face of bolt with a cleaning swab
saturated with _____ - ANS - RBC
When inspecting the Barrel Buffer Assembly, you should inspect buffer accelerator for broken
_____ or _____ - ANS - claws / tips
The cycle of operation for the M2HB is best described in _____ steps - ANS - 8
During this step, the round is held in place on the T-Slot in line with the chamber by the extractor
arm assembly. The stored energy in the drive spring and barrel buffer spring forces the new
round into the chamber - ANS - Chambering
During this step of the Cycle of Operation, the bolt starts its forward movement, extractor lug
rides below extractor switch, forcing extractor assembly farther down until round is in center of
T-slot of bolt - ANS - Ejecting
The Headspace and timing gauge consist of a headspace gauge and _____ timing gauges - ANS -
2
When setting the Headspace and Timing on the M2HB, you should not have to unscrew the
barrel more than _____ notches (clicks) beyond the first setting of two clicks - ANS - five
Timing is the adjustment of the weapon so that firing takes place when the recoiling parts are
between _____ and _____ inch out of battery - ANS - .020 / .116
Prompt actions taken by the crew to overcome a stoppage without seeking the cause are called? -
ANS - Immediate Actions
A cold weapon is a weapon firing fewer than _____ rounds from a barrel at ambient temperature
over 2 minutes - ANS - 200 rds
The first Immediate Action step is to wait _____ seconds for a possible hangfire - ANS - 3
The T&E elevation portion consists of the upper and lower elevating screw and elevating hand
wheel. The upper screw has a scale that is graduated in _____-mil increments? - ANS - 50
MK 93 MOD 4 is an improved version of MOD 2. It is left-hand feed only and constructed from
_____ series stainless steel - ANS - 17-4
_____ train stop adjustments are made by unscrewing lugs and placing them in appropriate lug
holes - ANS - Adjustable
There are _____ types of Navy authorized mounting configurations - ANS - Two
Choose the type of Stops that are available for the MK 16 MOD8 stand assemblies - ANS -
Adjustable Stops
Elevation stops are available for the _____ CSW mount - ANS - MK 93
When checking the field of fire with the MK16 Mod 8 Adjustable stops, you must determine if
the crew served weapon has a minimum _____ clearance and/or cannot cause harm to personnel
- ANS - 6 in
After successfully verifying field of fire, secure adjustable train stop lugs with _____ - ANS -
lock wire
Which is not a step in the command Load _____? - ANS - Top Cover remains open
On the command Cease Fire the gunner shall place finger _____ and stop engaging the target
area? - ANS - Straight along the trigger guard
The MK 93 machine gun mounts are _____ Platform used to operate crew served weapons -
ANS - Multi-Purpose
What is the correct number of steps for installing the MK93 Mod 2 _____ Mount? - ANS - 13
_____ is not part of the cycle of Operation - ANS - Blocking
On the command LOAD and MAKE READY, personnel shall perform the steps to take the
M2HB from _____ to ____? - ANS - Condition 4 / Condition 1
Ammunition on the feedway, bolt forward, round in chamber, safety on safe (if equipped), cover
assembly closed, best describes which of the following M2HB Weapon Condition Codes? - ANS
- Condition 1
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