Heavy Duty Equipment Technician Red Seal Sample Test Questions

Heavy Duty Equipment TechnicianPractice Interprovincial 310T Red Seal Exam

A)    Cetane rating excessive.
B)    Cetane rating too low.
C)    EGR valve not functioning.
D)    The engine timing is not advanced

ANS. C

 

3) A dump-box pulsates and produces a jerking-type of motion during lift cylinder extension. What could be the cause?

A) Worn-box-pivot bushings.
B) Reservoir over filled.
C) Restriction on the high-pressure side.
D) Worn pump.

 Ans. D

 

 When a hydraulic retarder is applied continuously at high speeds?

A) The engine overheats.
B) The hydraulic fluid overheats.
C) The transmission is overheated
D) The engine RPM exceeds suggested operational range.

Ans. B

5) An operator downshifts to decelerate and the Jacob Engine Brakes are inoperative whenever the throttle pedal is released. What may be the problem?

A) Clutch switch.
B) TPS.
C) Nothing this is normal operating condition.
D) ABS is in failure mode.

Ans. A

 

6) A new brake drum measures at 0.060in out-of-round. What is the correct procedure to follow?

A) Return as a defective casting.
B) Machine in order to provide a round surface.
C) Install in a hydraulic press in order to true the condition.
D) Install as-is because the heat of breaking will return it to shape.
Ans. A

 

7) A technician is overhauling a 5th wheel, what components can be replaced?

A) King pin.
B) Jaws.
C) Slide bogie.
D) Bolster plate.

Ans. Is in the package

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Some examples of the types of maintenance and repair work heavy duty equipment technicians are responsible for?

Heavy duty equipment technicians inspect, diagnose, repair, adjust, overhaul, maintain, test and verify heavy duty equipment.

In which industries can heavy duty equipment technicians find employment, and can you name a few specific sectors within those industries where they work?

Heavy duty equipment technicians are employed by companies that own and operate heavy equipment, heavy equipment dealerships, rental and service companies, construction contractors, forestry companies, mining companies, ski hills and government departments that service and repair their own equipment. Technicians can work in the following industries: construction, forestry, mining, marine, oil and gas, material handling, landscaping and land clearing. Many heavy duty equipment technicians have experience on a wide variety of equipment types and manufacturers.

Are there any specific challenges or considerations that heavy duty equipment technicians face when working with alternative prime movers, and how do these differ from working with internal combustion engines?

It is recognized that heavy duty equipment technicians are increasingly working with alternative prime movers such as electrical. However, the focus of this analysis is based on the internal combustion engine as the prime mover.

Heavy duty equipment technicians work in the full range of environmental conditions: from service shops to remote sites where inclement weather can affect the technician’s performance of his/her duties. Good physical condition and agility are important because the work often requires considerable standing, bending, crawling, lifting, climbing, pulling and reaching.

Due to the size and complexity of the equipment, safety is of prime importance. Technicians must be conscious of the impact on people, equipment, work area and environment when performing their work. There is risk of injury when working with heavy equipment.

Some important attributes of the heavy duty equipment technician are: mechanical and mathematical aptitude, an ability to work with computers, an ability to communicate effectively, to work with little or no supervision, to work as a team player and to plan and work sequentially.

This analysis recognizes similarities or overlaps in the work of other tradespersons, such as automotive service technicians, agricultural equipment technicians, truck and transport mechanics, millwright, powerlift truck technicians and transport trailer technicians