The lower cylindrical portion of the piston which improves piston cooling performance is called
A. Piston crown
B. Connecting rod
C. Piston pin boss
D. Piston skirt
Answer: Option D
Solution(By Examveda Team)
The piston skirt is the cylindrical walls of a piston. During manufacture, the surface of the piston skirt is left slightly rough which helps retain lubrication.The piston skirt acts as a guide as the piston goes up and down in the cylinder.
This 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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