engineering recuitment BEL Probationary Engineers Mock Test 2025 Internal Combustion Engine Cooling and Lubrication
The following tests are related to lubricants:
1. Pour point: it is the temperature at which oil ceases to flow when cooled under standard conditions.
2. Cloud point: it is the temperature at which the cloudiness appears in a sample of oil owing to separation of wax under standard conditions.
Select the correct option.
1
Both are false
2
1 is true and 2 is false
3
Both are true
4
1 is false and 2 is true