2W131B (VOLUME 1) EXAM QUESTIONS AND ANSWERS GRADED A+ 2025/2026

2W131B (VOLUME 1) EXAM QUESTIONS
AND ANSWERS GRADED A+ 2025/2026




What is the lifting capacity of the MJ-1B? - ANS 3,000 pounds


What drives the rear wheels on the MJ-1B? - ANS A hydrostatic drive system.


What type of engine is used in the MJ-1B? - ANS 25.2 Horsepower Diesel engine.


Name the three components of the hydrostatic drive system - ANS (1) Fluid coupling.
(2) Variable displacement hydraulic pump.
(3) A fixed displacement hydraulic motor.


How does the accelerator pedal change the speed of the MJ-1B lift truck? - ANS Changing the
position of the accelerator pedal varies the flow rate of the hydraulic pump in the hydrostatic
drive.


How are the cantilever lift arms operated on the MJ-1B? - ANS By controls at the driver's
position or controls directly behind the cradle.


What is the lift capacity of the MJ-40 lift truck? - ANS 10,000 pounds




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,What device ensures the lift boom cannot fall if a hydraulic line were to rupture? -
ANS Hydraulic locking valve.


What functions can the remote control unit control? - ANS Longitudinal
lift
roll
azimuth
tilt
yaw
ram up/down


How is the remote control attached to the lift truck? - ANS Flexible electrical cord.


What are the MHU-83 series munitions handling/loading lift truck designed to do? - ANS Lift,
transport and load/unload munitions and stores weighing up to 7,000 pounds.


Describe the engine of the MHU-83 series left trucks? - ANS Air cooled, 25.2-horsepower,
two-cylinder diesel engine


What is used to lift the front wheels off the ground to adjust the width of the side frames? -
ANS Lift boom


Describe how the parking brake is set on the MHU-83? - ANS Parking brakes are controlled by
a locking valve located to the left of the steering wheel. With the locking
valve in the closed position, the parking brake is set by depressing the service brake pedal in the
normal manner.


Which variant of the MHU-83 lift truck incorporates features of the MJ-40 to increase its
capabilities allowing it to support a wider variety of missions? - ANS MHU-83 D/E




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, What is the purpose of the hand pump located on the right-hand side of the MHU-83? -
ANS To operate the hydraulic system should the engine quit during loading operations.


Which lift truck or trucks use bomb rollers? - ANS ALL.


What is the lift capacity of aluminum rollers when installed on the MJ-1? - ANS 3,000 pounds


Explain the usage of load binders. - ANS To secure the load to the lift table or loading adapter


Explain the usage of "Y" stands. - ANS To support munitions temporarily.


Explain the usage of a gantry stand - ANS To support TERs temporarily.


What beams are used to transfer naval mines from their cases to the MHU-83 lift truck? -
ANS MK 4 MOD 0
MK 55
H1004.


What is the lifting capacity of the sling assembly - ANS 4,600 pounds


What is the lifting capacity of the MHU-83 when fork adapter assemblies are installed -
ANS 6,000 pounds


What is the maximum lift height on the MHU-83 when the fork adapter assembly is installed in
the inverted position? - ANS 107.5 inches


What are suspension handling/loading adapters used for - ANS Everything from facilitating
storage to transporting, loading, and unloading aircraft suspension equipment.




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