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88M MODULE B Exam Questions and Answers
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88M MODULE B Exam Questions and Answers
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88M MODULE B Exam Questions andAnswers
48 inches for 5 minutes - Answers -Fording depth of the M1120A4
300 miles - Answers -Normal operating range of all models
154 gallons - Answers -How much fuel does the LHS carry?
109,000 - Answers -What is the Gross Combination Weight Rating of the LHS?
Fuel/water separator - Answers -What acts as a primary fuel filter and removes and
water from fuel before entering engine?
Caterpillar 4 stroke, In-line Six Cylinder Diesel - Answers -What type of engine does the
LHS have?
Air Intake System - Answers -What consists of a dry type air cleaner, turbocharger,
engine blower and an after cooler?
300 - Answers -What is the cruising Range at GCWR?
30% - Answers -What is the Maximum Side Slope w/Adequate Traction surface
(percent)
15 mph - Answers -What is the Maximum Towed Speed?
32 and 43 - Answers -What are the Approach and Departure Angles?
10 mph for 30 minutes - Answers -What is the Limp Home Speed?
4 (2 front, 2 rear) Max load capacity each: 60,000 - Answers -What is the towing eye?
Manual Release - Answers -What is the Pintle Hook Type?
30,000 lbs in off-road application - Answers -What is the max Load Capacity? (Pulling)
(lbs)
8 - Answers -How many Brake chambers in the Brake System?
, 65-75 psi - Answers -Once air pressure in reservoir 1 rises above ______ to _____ psi,
a valve opens.
High Transmission Indicator - Answers -What illuminates red when transmission pump
temperature is above 482 degrees F, or torque converter temperature is above 350
degrees F?
When the Either FRONT or REAR Air Pressure Gauge falls below 70 psi - Answers -
When does the Brake System Failure (Low AIR) indicator turn red? (psi)
24,000 lbs / 11 tons - Answers -What is the maximum lifting capacity (lbs and tons)
Parking brake control - Answers -What applies and releases vehicle parking brakes and
automatically applies parking brake when air pressure drop below 30 psi?
Never - Answers -When do you operate a vehicle with suspension dump?
prolonged idle, climate conditions, use of PTO, and off road driving - Answers -What
factors can reduce the 300 mile operations range of the M1120A4?
62mph in 5th gear (1,696 rpm) - Answers -What is the maximum sustained forward
speed?
1.5 hours - Answers -How long should you wait for the hydraulic reservoir to cool down?
when the automatic circuits have failed - Answers -The manual transit position (man
trans) is used when?
3; high, low, neutral - Answers -The transfer case has how many positions? What are
they?
100-130 psi - Answers -What is the normal range for the air pressure gauge?
On the ground - Answers -What position should the trailer drawbar be in during transfer
operations?
Only when testing trailer breaks - Answers -The trailer hand break control should be
used when?
1 & 2 - Answers -Which driving axels control direction?
Idle the engine until water temp cools - Answers -What should you do if the engine
coolant temp gauge reads over 219 degrees?
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