Question

question 6
1 pts
coolant can be checked using _.
visual inspection
boiling/freezing points using a refractometer and hydrometer
test strips
all of the above.

Explanation:

• Visual inspection can show if coolant is low, has debris, or is discolored.
• A refractometer and hydrometer measure boiling/freezing points to check coolant concentration.
• Test strips can check for coolant contamination or pH levels.

Answer:

D. All of the above.