What are the answers to the nko m240 test?

Answer 1

Feed tray clear, bolt forward on empty chamber, weapon on fire. Which general condition code is this?

CONDITION 4

Ammunition on feed tray, bolt locked to the rear, weapon on safe. Which general condition code is this?

CONDITION 1

A warning message is an operation procedure, practice, or condition that may result in injury or __________.

DEATH

A caution message is an operating procedure, practice, or condition that may result in damage to __________.

EQUIPMENT

A note is an operating procedure, practice, or condition that is essential to __________.

EMPHASIZE

What is the Maximum Effective Range: Point Target for the M240 (series) ?

875 YDS (800 M)

What is the ammunition capacity of the M240 (series)?

100 RND BELT

What is the life expectancy of the M240 (series)?

30000

What is the Maximum Range for the M240 (series)?

4074 YDS (3725 M)

What Caliber is the M240 series machine gun?

7.62*51mm

The __________ provides feeding, stripping, chambering, firing, extraction, and ejection of cartridges using projectile propelling gas for power.

BOLT AND OPERATING ROD ASS

The __________ serves as support for all major components.

RECEIVER ASS

The __________ feeds linked belt and holds cartridges in position for stripping, feeding, and chambering.

COVER ASS

The __________ houses cartridges for firing and directs projectile.

BARREL ASS

The __________ provides energy for returning bolt and operating rod assembly to firing position.

DRIVING SPRING ROD ASS

Mounts, such as the MK 93 MOD 2 are designed specifically to work with the recoil forces of certain weapons and should be used only for those weapons.

TRUE

Another name for the MK 16 MOD 8 is the __________.

FLOWER POT

The recommended 6" of clearance for the field of fire is just that - a recommendation.

FALSE

The purpose of moving lugs on the train stop is to ensure that the weapon has a half foot of clearance and will not cause harm to personnel.

TRUE

Once the train stop lugs are adjusted to ensure required clearance and personnel safety, the next step is to __________.

lockwire

Authorized mounting configurations for crew-served weapons are established by the __________.

WEAPON SYSTEM SAFETY EXPLOSIVE REVIEW BOARD

Because the MK 16 MOD 8 Stand and the Bracket and Lock Assembly are the only authorized mounting configurations for crew-served weapons, no other mounts are to be used.

TRUE

The MK 16 MOD 8 stand assembly has two types of Navy authorized train stops: universal and fixed.

FALSE

It is permissible, even recommended that fixed stops be modified and used until replacement adjustable stops are available.

TRUE

The CSW mounts are designed with train stop blocks that interface with the MK 16 MOD 8 Stand and Bracket & Lock Assembly train stops.

TRUE

If the field of fire has a minimum of 6" of clearance from any fixed structure and/or cannot cause harm to personnel, CSW is authorized for use.

TRUE

A gun barrel reflector or __________ should be used to identity the barrel center line throughout the field of fire.

BORESCOPE

If a gun barrel reflector or borescope is not available, you should sight with your eye.

TRUE

When reinstalling lugs, ensure that a minimum clearance of _______ is provided.

6"

After installing lugs, the __________ should be verified ensuring that no obstruction remains and that a minimum of 6" of clearance exists.

field of fire

CSW is authorized for use if the field of fire if there is at least 8" of clearance from any fixed structure.

FALSE

If interference Is present, trim the bottom of the gun mount train stop block to allow __________ clearance between the bottom of the gun mount train stop block and the top of the train stop lug.

1/16"

Checking field of fire with borescope when using fixed stops is handled the same as when using adjustable stops.

TRUE

When checking field of fire and the minimum clearance is not available the CSW should be removed from service and returned to NSWC Crane.

FALSE

In order to determine length of train stop, the CSW must be mounted in the MK 16 MOD 8 Stand.

TRUE

Just as with the MK 16 MOD 8 stand, the Bracket and Lock Assembly has a minimum clearance requirement of 6" from any fixed structure.

TRUE

When checking field of fire, it is not necessary to ensure that the gun mount train stop block engages the mount plate properly as this will be done later in the process.

FALSE

When marking the stop plate, ensure that the engagement lug rides on top of the stop plate before determining safe firing angles.

TRUE

Once the safe firing angles are determined and the stop plate is marked, the CSW should be removed

TRUE

The purpose of removing the stop plate is to reshape it in order to allow for an enlarged field of fire.

TRUE

After the round is fired and the bullet passes the gas port, part of the escaping gases go into the gas regulator through the gas plug. Which cycle of operation is this?

UNLOCKING

__________ begins at the moment the bolt assembly is unlocked and is in rearward motion.

EXTRACTING

The gas from the plug acts against the operating rod assembly, pushing the operating rod and bolt assembly to the rear of the weapon and compressing the driving spring rod assembly. Which cycle of operation is this?

COCKING

When the trigger is pulled, the rear section of the sear is lowered releasing the operating rod assembly. Which cycle of operation is this?

CHAMBERING

After the bolt is fully forward, the operating rod continues until the cam is locked. Which cycle of operation is this?

FIRING

During fieldstrip the heat shield is removed before removing the trigger housing spring pin.

TRUE

The gas regulator is removed from its bushing during disassembly.

TRUE (wrong according to test)

To remove the driving spring, press it in; raise it up slightly, and remove it out of rear receiver.

TRUE

To remove collar, press it in and rotate it CW until it releases; then pull it out.

FALSE

Place the first five steps of the fieldstrip procedure in the correct order.

1)Clear machine gun.

2)Press in top cover latches and open top cover and feed tray.

3)Depress barrel locking latch and hold.

4)Rotate barrel release/carrying handle to upright position.

5)To remove barrel, grasp handle and pull forward and out.

Insert spring pin into trigger housing assembly from __________ only.

LEFT-SIDE

Eye protection is not required when assembling springs and operating rods.

FALSE

During reassembly, rotate carrying handle CW until it stops simultaneously counting audible clicks, minimum of _____ and maximum of _____.

2 AND 7

During reassembly, it is important to remember to insert spring pin from the left-side only to secure top cover.

FALSE

Before firing, make sure the barrel is locked tightly in receiver. If the barrel is not locked tight, threads in receiver could be damaged or cause personal injury.

TRUE

A safety check should be performed __________.

ANY TIME THE WEAPON IS REASSEMBLED

Number the safety/function check steps in their order of completion.

1)Visually inspect machine gun for loose, damaged or missing components.

2) Place safety to "F" position. Pull cocking handle completely to rear to lock bolt back. Return cocking handle to forward, locked position.

3)Place weapon on safe. Squeeze trigger. [Bolt should not go forward.]

4)Place safety to "F" position. Hold cocking handle assembly to rear, fully depress trigger, and ease bolt forward to close and lock. [Safety must not be able to be moved to "S" position.]

The weapon will become jammed when charged with the safety in the safe position.

TRUE

The most common malfunctions of the M240 (series) are __________. Select all that apply.

sluggish operation, uncontrolled fire (runaway gun), and misfire.

__________ is normally caused by excessive friction or excessive loss of gas.

SLUGGISH OPERATION

During an uncontrolled fire, if there are _____ rounds or less on the belt, hold the weapon on target and fire the remaining ammunition.

20

A cook-off is the firing of a round by the heat of a very hot barrel and not by the firing system. If nothing is ejected from a hot gun, do NOT open the cover. Instead, keep it pointed downrange. Remain away from the machine gun for _____ minutes, to let the weapon cool.

15

A malfunction is a failure of the M240 (series) to function satisfactorily or to perform as designed. A malfunction does not necessarily cause an interruption in the cycle of operation.

TRUE

Before loading the M240, check the weapon for dirt, excess oil, and grease. Check the bore to ensure it is free of foreign matter and obstructions.

TRUE (wrong according to test)

On the command UNLOAD, SHOW CLEAR, personnel shall perform the following steps to take the weapon from Condition 3 to Unload Show Clear and Condition 4. Place the steps in the correct order.

1)Ensure the weapon is pointed downrange.

2)Push in on latches to open cover assembly.

3)Remove the ammunition belt from the feed tray.

4)Pull cocking handle assembly to rear. Return cocking handle to forward position.

5)Place the weapon on safe.

6)Raise the feed tray and inspect the chamber to ensure it is empty.

7)Have the assistant gunner perform a secondary check to ensure that no ammunition is present on feed tray or in the chamber.

8)Close cover assembly. Make sure it locks shut.

9)Place the weapon on fire.

10)Hold cocking handle to rear, squeeze the trigger, ride bolt forward to close and lock.

On the command __________, personnel shall perform the following steps to take the machine gun from Condition 3 to Condition 1:

Ensure the weapon is on fire, and pull cocking handle to the rear. Return cocking handle to forward position.

Place weapon on safe (if situation permits).

Check sight setting.

MAKE READY

On the command __________, personnel shall place the trigger finger straight along the trigger guard and place the weapon on safe.

CEASE FIRE

Which weapon condition code is identified by the following actions: No Ammunition Present, Chamber Empty, Bolt Forward, Safety on FIRE, Cover Closed.

CONDITION 4