JLTV USMC TEST QUESTIONS WITH ALL CORRECT ANSWERS
Why is it important to have revolutions per minute control in soft soil conditions? - Answer- It mitigates slipping and sliding on soft soil road conditions.
When using snow tire chains, why do the chains creep or move on the tires? - Answer- I...
Why is it important to have revolutions per minute control in soft soil conditions? -
Answer- It mitigates slipping and sliding on soft soil road conditions.
When using snow tire chains, why do the chains creep or move on the tires? - Answer-
It reduces the possibility of the chain links gouging into the tires.
Which CTIS setting would you use to operate in standard soft sand conditions? -
Answer- MSS
Explain how operating in mud can degrade the JLTV's performance? - Answer-
Operating in mud can inject mud into areas such as axles, universal joints, steering
mechanism, and radiator, which can harden and prevent normal operation. It can cause
water in the brake pads.
When driving through Mud, Sand, and Snow, what is the basic driving technique? -
Answer- Keep a stead throttle and momentum.
What is the reason your JLTV settings can be configured properly BEFORE driving on
soft soil? - Answer- Without proper configuration, the JLTV's chance of becoming stuck
or mired increases.
A level surface with a terrain gravel or small rocks, embedded in hard dirt, provides
good traction. What is the key difference between driving on flat terrain and slopes? -
Answer- Traction.
The independent suspension enables the JLTV to get maximum torque from the engine
and transmission and use _____ and _____ to keep tires in contact with the ground
over varying terrain. - Answer- High Pressure Gas Shocks & Hydraulic Damping.
Before going up a steep slope, what should you do and think about? - Answer- Assess
the terrain and available traction, choose the safest route, and choose proper gearing.
What speed is the JLTV limited to in the MSS CTIS setting? - Answer- 20 MPH
In the MSS CTIS setting, going over 20 MPH for how many seconds before the vehicle
automatically bumps into the next CTIS setting? - Answer- 60 Seconds.
, What are four brake conditions to be aware of when driving in soft soils? - Answer-
Front Wheel Lock Up, Rear Wheel Lock Up, All Wheel Lock Up, and Brake Fade.
What could cause the front wheels the lock up? - Answer- Improperly adjusted brakes
or slick spots and loss of steering control.
When installing tire chains, which way would you drape the chains over the tires? -
Answer- With the open ends, chain hooks away from the tire.
Which CTIS setting would you use to operate in muddy terrain? - Answer- MSS
Describe the power distribution to the front and rear tires when set for Line Lock 2. -
Answer- Power is distributed equally to the rear tires (25/25), while 50% power is still
being routed to the front driver side tire.
When operating in muddy terrain or soft soils, if you lose _____, it can result in the
vehicle becoming mired in mud. - Answer- Momentum
When driving on grades or slopes, if you have no traction? - Answer- You have no
forward motion.
You are driving on 25% Side Slope when your downhill tires sink into softer dirt than
your uphill tires. What might happen to the vehicle? - Answer- The slope angle is
increased, making roll-over more likely.
You are traversing a side slope when your downhill tires begin to sink in soft soil. You
can feel your uphill tires beginning to get light and lose traction. What do you do to
counter this condition? - Answer- Steer downhill to stabilize the vehicle and apply gentle
momentum if necessary.
If forward motion is stopped because of loss of traction while ascending a grade, what
CTIS setting action do you take to increase traction and complete the ascent? - Answer-
MSS - Mud/Sand/Snow
You are descending a long steep grade. You are using the vehicle brakes to control
your speed. Traction doesn't seem to be a problem. What other options can you do to
help control your descent speed? - Answer- Use the exhaust brake downshift gear.
What Line Lock setting will you be in when ascending up to 60% Grade? - Answer- LL3
- Line Lock 3
What steps should you do before climbing any grade? - Answer- Assess the terrain,
Choose the safest path, Choose the proper gear before starting up the grade.
When driving over obstacles or gullies, what should you do if you lose momentum or
wheels start to spin? - Answer- Use the BTM (Break Throttle Modulation).
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