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PICAT AUTOMOTIVE EXAM QUESTIONS
Actual Qs and Ans - Expert-Verified Explanation -Guaranteed passing score -12 Questions and Answers
-Format: Multiple-choice / Flashcard
Question 1: a clicking or popping sound is heard from the front of a vehicle when turning.the sound is not heard when driving straight ahead. which of the following is the most likely cause of the sound?
- broken steering flex joint
- worn front wheel bearings
- worn constant velocity (cv) joint
- insufficient lubrication of the ball joints
Answer:
- worn constant velocity (cv) joint
- lands
- guides
- notches
- channels
Question 2: the areas on the side of a piston between the ring grooves are known as ring
Answer:
- lands
Question 3: the offsets on a crankshaft to which the connecting rods are bolted are commonly called
- throws
- journals
- power pins
- vibration dampers
Answer:
- throws
- 1
- 2
- 3
- 4
Question 4: how many intake valves are there per cylinder on a 16-valve double overhead camshaft 4- cylinder engine?
Answer:
- 4
Question 5: the function of the clutch in an automobile is to disconnect the
- pistons from the crankshaft
- engine from the transmission
- transmission from the drive shaft
- driveshaft from the drive wheels
Answer:
- engine from the transmission
Question 6: a hand vacuum pump can be used to test
- a MAP sensor
- a BAP sensor
- an oxygen sensor
- a fuel injection sensor
Answer:
- a BAP sensor
- slide pins
- caliper piston
- wheel cylinder
- adjuster spring
real answer is A Question 7: which of the following components found in drum brakes converts hydraulic pressure into mechanical force?
Answer:
- wheel cylinder
Question 8: what is the source of heat for a typical automotive heating system?
- compressor
- electric motor
- engine coolant
- electric heat stripes
Answer:
- engine coolant
Question 9: which of the following systems includes a connecting rod?
- engine mechanical
- supplemental restraint
- suspension and steering
- heating and air conditioning
Answer:
- engine mechanical
Question 10: what is the result if connecting rods are not properly aligned
- badly adjusted rocker arms
- excessively worn wrist pin
- excessively worn camshaft
- weakened valve springs
Answer:
- badly adjusted rocker arms
Question 11: fuel injected vehicles will generally have
- a mechanical bellows type fuel pump
- a mechanical impeller type fuel pump
- an electric fuel pump mounted on the engine
- an electric fuel pump mounted in the fuel tank
Answer:
- an electric fuel pump mounted in the fuel tank
Question 12: these tools are called (a tool box is pictured)
Answer:
taps and dies