Automobile Engineering in ME
The condition that causes vapour locking in a brake system is

Overheating of the fluid due to frequent brake application
An excessively high engine speed on a downhill road
Keeping the vehicle without use for an extended period
Overcooling of the brakes during high speed driving

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Automobile Engineering in ME
Which one of the following statement correctly describes the construction of a bevel gear type differential?

The differential carrier houses differential pinion gears and side gears; each pinion gear meshes with a different side gear.
The drive shafts are splined to the differential carrier.
The left side gear and the differential carrier rotate in constant unison.
The differential carrier houses differential pinion gears and side gears.

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Automobile Engineering in ME
The fuel pump of a programmed fuel injection (PFI) system operate for two seconds when the ignition is turned to the start position to

Warm up and lubricate the pump
Enable the pump's fault diagnosis function to operate
Supplies a large amount of fuel and thereby creates a choke effect
Pressurise the fuel system before the engine is started

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