The fuel pump of a programmed fuel injection (PFI) system operate for two seconds when the ignition is turned to the start position to
A. Enable the pump's fault diagnosis function to operate
B. Warm up and lubricate the pump
C. Supplies a large amount of fuel and thereby creates a choke effect
D. Pressurise the fuel system before the engine is started
Answer: Option D
Solution (By Examveda Team)
The fuel pump of a programmed fuel injection (PFI) system operate for two seconds when the ignition is turned to the start position to Pressurise the fuel system before the engine is startedThis Question Belongs to Mechanical Engineering >> Automobile Engineering
The function of anti-lock brake system (ABS) is that is
A. Reduces the stopping distance
B. Minimizes the brake fade
C. Maintains directional control during braking by preventing the wheels from locking
D. Prevents nose dives during braking and thereby postpones locking of the wheels
The basic characteristics of a brake fluid is
A. A high boiling point
B. Low viscosity
C. Compatibility with rubber and metal parts
D. All of these
Wheel base of a vehicle is the
A. Distance between the centres of the front and rear wheels
B. Distance between the centres of the front tyres
C. Distance between the centres of the rear tyres
D. Extreme length of the vehicle
The negative plates of a lead acid battery has
A. Lead peroxide (PbO2)
B. Spongy lead (Pb)
C. Lead sulphate (PbSO4)
D. Sulphuric acid (H2SO4)
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