Explain the operation of the evaporative (EVAP) emission system.

What will be an ideal response?


This system stores vapors from the fuel tank in a charcoal canister until certain engine operating conditions are present, then the vapors are burned in the engine.

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The quantity ?Sgenerated of a 10-kg copper mass (use Cp,cu = 0.39 kJ/kg·K) at 100°C submerged in a 20°C lake is nearest:

A) 0.341 kJ/K B) 0.239 kJ/K C) 0.123 kJ/K D) 0.108 kJ/K

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Cold fuel spray can cause a bulb to shatter, and the hot filament can start a very dangerous fuel fire.

Answer the following statement true (T) or false (F)

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The engine speed increases when the driver depresses the accelerator pedal and releases the clutch pedal, but the vehicle does not move. Technician A says the clutch may be defective. Technician B says the dual-mass flywheel may be defective. Which technician is correct?

A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B

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The best way to prepare the bevel for FCAW V-groove joints, especially in stainless steel pipe, is _____

a. with a cutting torch (thermal) b. by machining the bevel c. with a handheld grinder d. with a bench grinder

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