Mechanical Engineering - Automobile Engineering

26.
Which part of the automobile tyre is subjected to greatest flexing action ?
Bead
Side wall
Shoulder
Tread
Answer: Option
Explanation:
No answer description is available. Let's discuss.

27.
The temperature at which tyre inflation pressure should be checked is
20°C
25°C
35°C
ambient temperature
Answer: Option
Explanation:
No answer description is available. Let's discuss.

28.
The calorific value of Diesel is about
36.5 MJ/kg
38.5 MJ/kg
42.5 MJ/kg
45.5 MJ/kg
Answer: Option
Explanation:
No answer description is available. Let's discuss.

29.
The negative plates of a lead acid battery has
lead peroxide (PbO2)
spongy lead (Pb)
lead sulphate (PbSO4)
sulphuric acid (H2SO4)
Answer: Option
Explanation:
No answer description is available. Let's discuss.

30.
The function of oil-control rings is that it
lubricates the cylinder wall by releasing oil from its hole
keeps the cylinder wall lubricated by holding oil in its channel
prevents engine oil from going into the combustion chamber and returns excess lubricating oil off the cylinder wall through the return holes in the piston to the oil pan
maintains a seal and prevents escape of burned gases and oil leakage
Answer: Option
Explanation:
No answer description is available. Let's discuss.