Driving and Controls

Question 1

The MDT will continue to draw electrical current (_____) even though the battery master switch is turned OFF.

Answer 1

approximately 7 to 8 amps

Question 2

Maximum inlet restriction for a new air cleaner is ____. If the gauge reads 25” H2O, check for restrictions.

Answer 2

10” H2O

Question 3

The Caterpillar, ____ is a six-cylinder valve-in-head type engine.

Answer 3

C-13

Question 4

It has a 5.12” bore and a 6.18” stroke, with a total piston displacement of ____ cubic inches and a compression ratio of 17.1 to 1.

Answer 4

763

Question 5

Operating range is ___

Answer 5

1200 to 2100 RPM

Question 6

The best fuel economy is delivered between ___.

Answer 6

1200 – 1800 RPM

Question 7

Do not idle in D (Drive) for more than ____.

Answer 7

five minutes

Question 8

Do not idle in R (Reverse) for more than ____.

Answer 8

five minutes

Question 9

First Gear Range (1)
Use this range when pulling through mud or whenever ___ is desired, when maneuvering in tight spaces, or while driving ____.

Answer 9

maximum traction / up or down steep grades

Question 10

First range provides the vehicle with its maximum ___ and maximum _____.

Answer 10

driving power / engine braking effect.

Question 11

GEAR 1

Answer 11

2100 RPM / 14 MPH

Question 12

GEAR 2

Answer 12

2100 RPM / 26 MPH

Question 13

GEAR 3

Answer 13

2100 RPM / 35 MPH

Question 14

GEAR 4

Answer 14

2100 RPM / 50 MPH

Question 15

GEAR 5

Answer 15

2100 RPM / 68 MPH

Question 16

If the engine fails to start within____, release the starter button and allow the
starting motor to cool for approximately ____ before trying again.

Answer 16

15 seconds

Question 17

If the engine fails to start after____, an inspection should be made to determine the cause.

Answer 17

four attempts

Question 18

If there is no oil pressure indicated within ____, stop the engine and check the lubricating system.

Answer 18

10 to 15 seconds

Question 19

Try not to shut down the engine unless coolant temperature is ____

Answer 19

195º F or less.

Question 20

In the event air brake system pressure drops below approximately 65 psi a _____ will come on.

Answer 20

warning buzzer and light

Question 21

As soon as system air pressure increases past ____, the warning light and buzzer will shut-off.

Answer 21

65-75 psi

Question 22

In an emergency situation, operator discretion must be used as to the need to operate the apparatus when there is less than___ air pressure in both brake circuits.

Answer 22

90 psi

Question 23

Use extreme caution when operating the vehicle with either air brake section charged to less than ___ or property or personal injury could result.

Answer 23

60 psi

Question 24

If air pressure is reduced to approximately ___ in both systems, the spring brake valve will automatically apply.

Answer 24

40 psi