An Engine Cranks Slowly

question 6

Multiple Choice

An engine cranks slowly. Technician A says a possible cause of the problem is low resistance in the starter circuit connections. Technician B says a possible cause is an open in the starter field coil circuit. Who is correct?

• A)A only
• B)B only
• C)both A and B
• D)neither A nor B

Distinguish between minerals based on characteristics observed in images.

Correlate the chemical properties of minerals with their practical uses.

Understand the definitions and key characteristics of projects, including their temporary nature and specific objectives.

Recognize the importance and applications of project management tools like Gantt charts, PERT networks, and flow charts in planning and executing projects.

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Definitions:

Truck Data Bus System

A digital communication network in trucks that carries data between various electronic control units (ECUs).

SAE J1939

Covers both the hardware and software protocols used on the current CAN 2.0 platform for medium-/heavy-truck data bus. A J1939 truck data bus is accessed by connecting to an EST to a nine-pin Deutsch black (pre-2014) or green (post-2014) connector. Post-2014 Volvo-Mack applications require a J1962 connector.

Byte

An arrangement of 8 bits. Each bit can express one of two states such as 0 or 1, high or low voltage, etc. One byte can, therefore, be used to express up to 256 different states.

Bits

Basic units of data in computing, representing a logical state with values of either 0 or 1.