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
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)
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
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