Before working under a heavy truck raised on a hoist, what is the most important step a technician must take to prevent a crushing injury?
Mwa A Common Occupational Skills
Question · Easy
Why does switching the ignition off fail to complete a lockout?
Common Occupational Skills
Flashcard
A WHMIS 2015 Safety Data Sheet (SDS) is divided into how many standardized sections?
Gear worn or used by a worker to reduce exposure to specific hazards.
Common skills
Guess the Term
Introduction & Exam Overview
1.1 Current Exam Facts
Study guide
Cheat sheet
When using a sling to lift a heavy component, the rated working load of the sling decreases as the angle between the sling legs and the horizontal becomes:
Question · Medium
Read the clue and guess the term in 6 tries.
Game
What must support a raised truck before a mechanic works underneath it?
Which tool is used with a rigid base to measure brake-rotor or hub runout?
Seventeen-character code with a check digit in its ninth position that records a truck's manufacturer, year of production and place of production.
An adjustable click-type torque wrench should be stored at the end of the day set to:
What identifies the correct service procedure when two trucks share a model year?
When opening a repair order for an intermittent complaint, what should the technician do first?
System that lowers peak combustion temperature to reduce nitrogen oxide formation.
Engine emissions
1.2 RSOS Blueprint & Exam Weightings
On a hydraulic schematic, a circle with a solid triangle pointing inward at the shaft symbol typically represents which component?
Mwa J Hydraulic Systems
Question · Hard
Swap tiles to line up three of the same term.
Term Match
What does a cylinder leakage test add after a low compression reading?
Engines and Supporting Systems
What is the primary hazard a technician must guard against when servicing a multi-piece (split-rim) truck wheel assembly?
Mwa F Steering Chassis Suspension Tires Wheels Hubs
Device that physically traps soot in the engine's exhaust stream.
Which document gives a heavy-duty technician the manufacturer's specified torque sequence and values for cylinder head bolts?
After safely stopping an engine for a low-oil-pressure warning, what test distinguishes actual low pressure from an indication fault?
A technician welding near a vehicle's electronic control modules should first:
Mwa D Electrical Electronic Systems
Liquid used by a selective catalytic reduction system to lower nitrogen oxides.
1.3 How to Study for the 310T Red Seal
In a four-stroke diesel engine, ignition of the fuel is caused by:
Mwa B Engines Supporting Systems
Flip two cards at a time to find matching terms.
Term Pairs
What intake-system test can reveal a cause of low boost before condemning the turbocharger?
In a modern high-pressure common-rail (HPCR) diesel fuel system, what controls the exact timing and quantity of each injection event?
It automatically controls wheel slip during a stop by sensing wheel rotation and adjusting force at the wheels.
Air brakes
Diesel Exhaust Fluid (DEF) used in a Selective Catalytic Reduction (SCR) system is a solution of:
Why can repeated DPF regeneration fail to solve an ash restriction?
A Diesel Particulate Filter (DPF) performs an active regeneration in order to:
___ adjuster: linkage part that adjusts free play between the push rod and the brake shoes.
2.1 Safety, PPE & Hazardous Materials
The primary purpose of an Exhaust Gas Recirculation (EGR) system on a diesel engine is to reduce the formation of:
Find five hidden terms in a grid of letters.
Term Search
Why is an engine fault code insufficient evidence to replace the named sensor?
A turbocharger on a heavy diesel engine is driven by:
___ parking brake chamber is applied by stored mechanical force and released by air pressure.
Excessive white smoke from a diesel engine at start-up most commonly indicates:
What must happen before opening a high-pressure common-rail fuel connection?
Black smoke from a diesel engine under heavy acceleration generally indicates:
Umbrella term for a computer that manages vehicle functions; common types include EPUs, ECUs, VECUs and TCMs.
Electrical systems
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