13M HIMARS Study Guide UPDATED
ACTUAL Exam Questions and CORRECT
Answers
The carrier's alternator charges what? - CORRECT ANSWER - The carrier and launcher
batteries
This warning will be displayed if a failure occurs which prohibits an active fire mission from
completing, or from being performed if none is active. - CORRECT ANSWER - Critical
Failure
What is the maximum ground slope for the firing of all munitions? - CORRECT
ANSWER - 89 mils
The RMU stores system ____ and database information. - CORRECT ANSWER -
Software
When vehicle power switch is set to on and the universal gunner's display unit is off, the fire
control system volt gauge should read a minimum of : - CORRECT ANSWER - 24 VDC
What is a "dud fuse"? - CORRECT ANSWER - When the rocket fuses are tested by the
FCS and fuse fails the test (Safety care)
The section chief must record what data concerning the RRPR (M28A1) ammunition for the
LFX? - CORRECT ANSWER - Rocket Serial number and Lot number
A "Hang fire" occurs when - CORRECT ANSWER - An attempt was made to fire the
rocket and the FCS did not detect squib current
There are ______ classes of built-in-test Diagnostics? - CORRECT ANSWER -4
,Power on self test
Background bit and event verification test
Commanded built in test
Launcher interface unit LRU status
How many and what are the parts of the Hydraulic control system? - CORRECT
ANSWER - 12
Hydraulic Pump
Speed-Increasing Gearbox
hydraulic Reservoir
hydraulic fluid Heat Exchanger
Distribution Manifold
Azimuth Drive Motor
Hydraulic Swivel
Elevation Manifold
Elevation Actuator
Reload Manifold
Boom Motor
Hoist Motor
Normal operating vehicle air pressure should be - CORRECT ANSWER - 75-120 psi
The hydraulic reservoir stores approximately ____ of hydraulic fluid for system operation -
CORRECT ANSWER - 4.1 gal.
IAW TM 9-2330-310-14&P, when preparing for C-130 transport the Maximum height of the
highest point of the Launcher will be inches. - CORRECT ANSWER - 105
, The Fire Mission database can hold up to _________fire-missions. - CORRECT
ANSWER - 12
Before entering and exiting the Commanded Built In Test (CBIT) Mode, __________ must be
completed. - CORRECT ANSWER - INITIALIZATION
A hard shut down can result in - CORRECT ANSWER - Corrupted software of the
ruggedized memory unit (RMU) and Corrupted data files
What is the minimum distance allowed between firing points? - CORRECT ANSWER -
500 meters
CAFU filter must be changed ___ weeks after installation. - CORRECT ANSWER - 52
How many mils should you raise the LM in order to deploy the jury struts? - CORRECT
ANSWER - 212
When using the highway emergency marker kit, the front marker is place ____ feet from the
vehicle, the rear marker is placed ___ feet from the vehicle, the last marker is place
approximately ___ feet behind the vehicle and ___ feet to the side - CORRECT
ANSWER - 100, 100, 10, 5
What is the maximum elevation of the LM? - CORRECT ANSWER - 1067 mils
On-board munitions should remain connected to the umbilical cables during C130 air transport. -
CORRECT ANSWER - False
The on the M142 monitors the status of the jury strut limit switches and rocket pod hold down
latch limit switches to verify that they are in the proper position for safe operation. - CORRECT
ANSWER - HULIU
ACTUAL Exam Questions and CORRECT
Answers
The carrier's alternator charges what? - CORRECT ANSWER - The carrier and launcher
batteries
This warning will be displayed if a failure occurs which prohibits an active fire mission from
completing, or from being performed if none is active. - CORRECT ANSWER - Critical
Failure
What is the maximum ground slope for the firing of all munitions? - CORRECT
ANSWER - 89 mils
The RMU stores system ____ and database information. - CORRECT ANSWER -
Software
When vehicle power switch is set to on and the universal gunner's display unit is off, the fire
control system volt gauge should read a minimum of : - CORRECT ANSWER - 24 VDC
What is a "dud fuse"? - CORRECT ANSWER - When the rocket fuses are tested by the
FCS and fuse fails the test (Safety care)
The section chief must record what data concerning the RRPR (M28A1) ammunition for the
LFX? - CORRECT ANSWER - Rocket Serial number and Lot number
A "Hang fire" occurs when - CORRECT ANSWER - An attempt was made to fire the
rocket and the FCS did not detect squib current
There are ______ classes of built-in-test Diagnostics? - CORRECT ANSWER -4
,Power on self test
Background bit and event verification test
Commanded built in test
Launcher interface unit LRU status
How many and what are the parts of the Hydraulic control system? - CORRECT
ANSWER - 12
Hydraulic Pump
Speed-Increasing Gearbox
hydraulic Reservoir
hydraulic fluid Heat Exchanger
Distribution Manifold
Azimuth Drive Motor
Hydraulic Swivel
Elevation Manifold
Elevation Actuator
Reload Manifold
Boom Motor
Hoist Motor
Normal operating vehicle air pressure should be - CORRECT ANSWER - 75-120 psi
The hydraulic reservoir stores approximately ____ of hydraulic fluid for system operation -
CORRECT ANSWER - 4.1 gal.
IAW TM 9-2330-310-14&P, when preparing for C-130 transport the Maximum height of the
highest point of the Launcher will be inches. - CORRECT ANSWER - 105
, The Fire Mission database can hold up to _________fire-missions. - CORRECT
ANSWER - 12
Before entering and exiting the Commanded Built In Test (CBIT) Mode, __________ must be
completed. - CORRECT ANSWER - INITIALIZATION
A hard shut down can result in - CORRECT ANSWER - Corrupted software of the
ruggedized memory unit (RMU) and Corrupted data files
What is the minimum distance allowed between firing points? - CORRECT ANSWER -
500 meters
CAFU filter must be changed ___ weeks after installation. - CORRECT ANSWER - 52
How many mils should you raise the LM in order to deploy the jury struts? - CORRECT
ANSWER - 212
When using the highway emergency marker kit, the front marker is place ____ feet from the
vehicle, the rear marker is placed ___ feet from the vehicle, the last marker is place
approximately ___ feet behind the vehicle and ___ feet to the side - CORRECT
ANSWER - 100, 100, 10, 5
What is the maximum elevation of the LM? - CORRECT ANSWER - 1067 mils
On-board munitions should remain connected to the umbilical cables during C130 air transport. -
CORRECT ANSWER - False
The on the M142 monitors the status of the jury strut limit switches and rocket pod hold down
latch limit switches to verify that they are in the proper position for safe operation. - CORRECT
ANSWER - HULIU
