The difference between DOT 3 and DOT 4 brake fluids is
A. DOT 4 fluids have a higher boiling point than DOT 3 fluid
B. DOT 4 fluids have a lower boiling point than DOT 3 fluid
C. DOT 3 and DOT 4 fluids have the same boiling point, but DOT 4 fluid has a longer service life
D. DOT 4 fluid is more resistant to freezing than DOT 3 fluid
Answer: Option A
What is DOT full in brake fluid. What are different types of brake fluid?
dot department of transport usa rating
dot 5 is silicon based oil which is used where dry system and excessive breaking at lower temp