engineering recuitment NCL Assistant Foreman (Trainee) Mock Test 2024 Internal Combustion Engine Cooling and Lubrication
Given the desired characteristics of the lubricating oil, pick the correct answer
1. Low enough viscosity to provide good pumping and avoid undue cranking resistance.
2. Must have sufficiently high viscosity at high temperature and low volatility.
1
1 is correct, 2 is wrong
2
1 wrong is, 2 is correct
3
Both 1 and 2 are correct
4
Both 1 and 2 are wrong