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Sample 310J Transport Trailer Technician Red Seal Exam Practice Questions
1. In order to measure pre-load, which of the following instruments or tools would be used?
(A) Dial indicator.
(B) Micrometer.
(C) Torque wrench
(D) Vernier caliper.
Ans. A
Is correct, as pre-load is the application the pressure/torque applied to a component (i.e. bearings).A dial indicator measures component movement
2. Oxy-Acetylene hoses are typically color-coded. Which color of hose is typically used to identify the oxygen supply line?
(A) Blue
(B) Red
(C) Black, with green tracer
(D) Green
Ans. D
Is correct, as Oxygen hoses are specifically designed with green color in order to prevent mishaps and dangerous accidents.
3. The recommended regulator-flow setting for safe acetylene operation is?
(A) Full back-seated position.
(B) Full front-seated position.
(C) 5 P.S.I.
(D) 250 P.S.I.
Ans. C
Is correct, as a working pressure setting of 5 PSI would allow for most Oxy Acetylene, cutting-welding-brazing procedures.
4) In order to remove a power-drill-chuck, what direction is used?
A) Reverse rotation
B) Shunt wired
C) CW
D)CCW
Ans. C Is correct, CW (clock-wise) would loosen the unit, as it has left-hand-threads
5) 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 Is correct, as resurfacing (machine) a brake drum would require the machinist to set the brake lathe to remove 0.060 from the drum. This removes a 0.060 of material from all areas of the drum (all sides). When re-measured, the drum gauge would indicate a measurement of 0.120 oversized (max. allowable reading).
6) A valve that prevents both the service and spring brakes from applying at the same time is?
(A) Quick release valve.
(B) Double check valve.
(C) Tractor protection valve.
(D) Ratio protection valve.
Ans. B Is correct, as a double-check valve is also known as an “Anti-Compounding Valve”. Its purpose is to allow only one source of brake application (either spring or air pressure).
7) During inspection the wear upon the brake-shoes appears uneven, as only one side of the shoe-set is worn. What items may require inspection?
(A) Anchor pins and bushings.
(B) Improper sized shoes.
(C) Worn S-cam bushings.
(D) ABS sensor out of adjustment.
Ans A Is correct, as worn anchor pins and bushings may allow fore-aft movement of the brake shoes, or to seize, restricting movement on one half of the shoe set.
This exam prep Package is an essential tool for any Transport Trailer Technician (310J) Red Seal Exam Practice Questions student preparing to write the Red Seal exam. Each practice test closely imitates the Red Seal exam in content and difficulty level.
What are Transport trailer technicians responsible for?
Transport trailer technicians inspect, diagnose, maintain, rebuild, assemble, and repair transport trailers connected to, or moved by, a power unit. Trailers include flat decks, dry freight vans, refrigerated vans, tankers, converters, boosters, jeeps, pole trailers, steering dollies, dump trailers and any other commercial pull-type units.
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