Basic Automotive Understanding (Pre Test)

Choose the Correct explanation advising the use genuine parts to that of non-genuine parts?

• Mazda genuine parts are developed and manufactured under strict quality standards so that they ensure the best performance and reliability for Mazda vehicles

• Quality of non-genuine parts if always worse than genuine ones

• Customers can distinguish non-genuine parts and genuine parts by their packages.

Which component regulates engine temperature by controlling the flow of coolant until a certain pre-set temperature is met.

• Water pump

• Thermostat

• Radiator

• Pressure Cap

Technician A says “Air and water must be kept out of the brake system.” Technician B says “Over period of time brake fluid would have absorbed contaminants and should be replaced.” Who is correct?

• Technician A

• Technician

• Both Technicians

• Neither Technician

The aspect ratio of a tire is calculated by this formula. (Section height/section width x 100 = aspect ratio) The aspect ratio for the tire in the illustration would be:

• 50

• 60

• 70

• 85

Which of the following refrigerant is currently used for automotive air conditioning system?

• R-132a

• R-143a

• R-134a

• R-404a

Scheduled Maintenance periodically done at intervals stretches vehicles life time and enables that vehicles be used more economically

• True

• False

Failure to replace Spark Plugs at specified intervals could have adverse effect on fuel economy and engine performance, and could cause ignition failure and eventually lead to engine stall.

• True

• False

Engine oil filter is recommended to be replaced only during every alternate service, when engine oil is being changed.

• True

• False

ATF replacement is recommended, only when the ATF gets contaminated with waters.

• True

• False

A vehicle used every day covering short distance only, requires more frequent inspection of exhaust system rather than recommended interval because this kind of usage contributes to form water that stays in the exhaust system.

• True

• False