Automotive

Postal Automotive Technician Exam 944 ACTUAL UPDATED QUESTIONS AND CORRECT ANSWERS The Vibration Damper on an Auto Engine is Fastened to the - CORRECT ANSWERSCrankshaft Most Small Gas Engines Use a _________ Ignition System - CORRECT ANSWERSMagneto Icing Occurs Most Often - CORRECT ANSWERSOn Cool Damp Days The Function of the Float in a Carburetor is to - CORRECT ANSWERSClose the Needle Valve To Improve Stability When Cornering, Manufacturers Added a Device to Cars Called - ...

The P.A.S.S. technique on a fire extinguisher stands for ________. Pull, Aim, Squeeze, and Sweep You can safely place a jack on a floor pan to keep a vehicle steady. FALSE With a negative pressure respirator, when you inhale, you pull air through a filter and when you exhale, a valve allows your used air to escape. TRUE ______________ are considered a form of personal protective equipment (PPE) for eyes. All of the above Eyewash stations must contain enough water to provide ____ m...

The P.A.S.S. technique on a fire extinguisher stands for ________. Pull, Aim, Squeeze, and Sweep You can safely place a jack on a floor pan to keep a vehicle steady. FALSE With a negative pressure respirator, when you inhale, you pull air through a filter and when you exhale, a valve allows your used air to escape. TRUE ______________ are considered a form of personal protective equipment (PPE) for eyes. All of the above Eyewash stations must contain enough water to provide ____ m...

What is the name of the automotive chassis design that has a floorpan and a small subframe section in the front and rear? Unibody design When air and fuel are compressed, the become very_______? Flammable The continuing up-and-down motion of the piston is why the engine is called Reciprocating engine The valve is opened by a_________ on the cam shaft. Camshaft Lobe What are the names of the parts that seal the combustion gases between the piston and the cylinder? Cylinder head and...

What's the main reason to measure a battery's state of charge? It indicates the battery's condition When inspecting the power steering belt, Technician A says if the belt is cracked or glazed then it should be replaced. Technician B says that a V-Belt should be checked with a belt tension gauge after the belt is replaced. Who is right? Both A and B While draining and refilling a differential, one should: Follow procedures using the correct type of fluid. Technician A says oil-soa...

which part is the cylinder head bolted to? the block What is the ratio of coolant to water in a typical automotive cooling system? 50:50 Which material are new model cylinder heads made from? aluminum Who issues technical service bulletins? manufacturers If blue smoke is seen at the tailpipe when an engine is started, which part(s) is/are most likely worn out? valve stem seals Technician A says a water pump controls the flow of coolant through an engine. Technician B says an oil...

Technician A says a load tester can be used to check the condition of a vehicles battery. Technician B says a load tester can be used to check the condition of a vehicle starting system. Who is right Both a and B What tool measures voltage overtime? Oscilloscope What tool is used when making a electrical test on a diesel engine Luminosity timing meter Technician a says and inductive wire tracer generates a DC voltage in the wiring being tested. Technician B says and inductive wire tr...

what does an auto shop's repair area normally include? Shop stall, lift, alignment rack, and outside work area A(n)____ is a small work area where a car can be parked for repairs. Shop stall List the rules that should be followed when using a lift Ask for permission to use the lift, center the vehicle on the lift, check ceiling clearance before lifting large or tall vehicles, make sure lift catch is safely engaged Describe how a vehicle should be pulled onto an alignment rack Pulled...

A large repair facility recycles its used motor oil. Technician A says that only about one quart of high-quality oil can be recovered from each gallon of used oil that is recycled. Technician B says the recovery rate is about two and one-half quarts per gallon. Who is right? B only When checking hose conditions, which would indicate the need for replacement? -Softening -Hardening -Cracks or abrasions If you find fluid dripping from a vehicle, where is the likeliest direction to look fo...

Your automobile relys on what to function Several systems What is the best way to diagnose a system failure Look for specific components in a system that aren ́t working What do components make up A system Coolant Heat from the engine is transferred into what liquid What does the Thermostat do It measures the temp of the engine and tells the water pump when to cycle new coolant What does the radiator do Allows the heat from the antifreeze to be transferred to the air that is b...