Mechanic License Practice Test Guide

Michigan Mechanic License Practice test - CRM What adjustment is to be made after a tie rod end is replaced? a) Toe b) Caster c) Camber d) No adjustment needed a) Toe An Air Conditioning system should not be left open to the atmosphere for extended periods because? a) Once opened to the atmosphere it cannot be resealed b) it is almost impossible to purge air from the evaporator c) Air will damage the reed values in the compressor d) moisture may enter the system and cause corrosion d) moisture may enter the system and cause corrosion A vehicle has had front and undercarriage damage. After repairs are completed the car starts, but ha little power. What could be the cause? a) The oil pan has been crushed so that the oil pump cannot pick up oil b) The torque converter bolts have been sheared c) the transmission shift linkage is disconnected d) The exhaust system is restricted d) The exhaust system is restricted After collision repairs are performed, a clunking noise can be hard in the engine compartment upon acceleration. What could be the most likely cause? c) broken motor mounts a) Sheared torque convertor bolts b) a restricted exhaust system c) broken motor mounts d) A bent oil pan A car equipped with an automatic transmission has been hit in the rear end. Now the car moves even though the selector level is in park. What should you do first? b) Check the shift level linkage a) Replace the transmission b) Check the shift level linkage c) replace the differential d) Install a new torque convertor If you remove a transaxle from front wheel drive car, you should, a) Install a new transmission mount b) Be careful not to damage the axle boots c) Install a new drive belt d) All of the above b) Be careful not to damage the axle boots After a repair, the starter will not crank the engine fast enough to start. What should you do first? a) Replace the battery b) Replace the starter c) Disconnect the electric control module and try again d) Charge the battery d) Charge the battery A windshield wiper, which is not a delay system type, sweeps the windshield several times and the stops. After a few minutes it starts again and makes a few more sweeps, then stops. What is most likely the cause? b) Low battery voltage a) A bad fuse b) Low battery voltage c) Defective windshield washer pump d) Binding wiper linkage 1/5 Upon completion of front end repairs, the headlights do not light. Wat could be the cause? a) A pinched wiring harness b) A defective headlight switch c) An open fusible link d) All of the above d) All of the above After an engine has been removed and re-installed, a severe vibration can be felt. What is most likely the cause? a) Incorrect positioning of the engine or exhaust b) Incorrect engine timing c) Restricted exhaust pipe d) Over-torqued engine to transmission fasteners a) Incorrect positioning of the engine or exhaust After collision repairs are completed, a vibration or shimmy condition can be felt at cruising speed. What could cause this? a) A bent wheel b) A bent o unbalanced shaft c) A bent axle shaft d) All of the above a) A bent wheel Upon completion of rear end collision repair, the right rear turn signal does not work What is the most likely cause? a) The flasher bulb is shorted b) A bad bulb c) The turn signal fuse is blown d) All of the above b) A bad bulb A car equipped with an electric fan overheats after front end collision repair. What could be the cause? a) A fan motor which runs continuously b) the fan motor wiring has been damaged c) The fan belt is loose d) A defective fan clutch b) the fan motor wiring has been damaged A groaning noise is heard when the steering wheel is turned, on a car equipped with power steering rack & pinion steering. What should you do? d) Check the power steering fluid level a) Replace he rack & pinion assembly b) Replacing the power steering pump c)`Adjust the power steering pump drive belt d) Check the power steering fluid level What method should be used to determine if a steering column is collapsed? a) Perform a steering response test b) Measure the steering wheel to seat clearance c) Visual inspection d) Attach a dial indicator to the steering wheel hub c) Visual inspection After a rear end collision repair that involves replacing the gas tank, the engine performs poorly. What is the most likely cause? a) A defective mechanical fuel pump b) installation of an incorrect fuel tank c) Insufficient gas tank pressure d) An air leak a) A defective mechanical fuel pump What adjustment is required after replacing a rack & pinion steering assembly? 2/5 a) Camber b) Caster c) Toe d) Over center c) Toe After a front end collision repair, the headlights appear dim. what is the most likely cause? a) The headlamp bulbs are bad b) A grounded negative battery connection c) An opening in the battery feed circuit d) An improper ground connection d) An improper ground connection What precaution should be taken regarding the battery on a car equipped with an E.C.M.? a) The battery should never be connected to the system without using a voltage limiter c) The battery should not be connected when the ignition switch b) The battery should not be connected when the system is in a is on closed loop operation c) The battery should not be connected when the ignition switch is on d) The battery should not be disconnected: this will cause the computer to lose its P.R.O.M. Replacing a fuse with one that has a lower amperage rating would most likely: a) Cause damage to electrical components b) Cause rapid fuse failure c) Require the installation of a parallel fuse d) Have no effect on the system b) Cause rapid fuse failure What instrument should not be used to check frame and/or unitized body alignment? a) Drive train angle gauge b) Trim height measurement gauge c) Tram gauge d) Vertical transom c) Tram gauge Care should be taken when opening a pressurized air conditioning system because? a) At room temperature, Freon will freeze anything in it's path b) Freon is very explosive c) Freon is very toxic and should not be inhaled d) All of the above a) At room temperature, Freon will freeze anything in it's path If the radiator has been pushed into a water pump mounted fan what should be examined before the repair is completed? a) The thermostat b) The fan relay switch c) The water pump shaft and bearing d) All of the above c) The water pump shaft and bearing If a fuel line is replaced between the fuel pump and the carburetor, care must be taken to prevent leaks because: a) Air will likely enter the system and cause stalling c) The fuel will be leaking under pressure, which is likely to cause b) Contaminants can enter the system a fire c) The fuel will be leaking under pressure, which is likely to cause a fire d) all of the above 3/5 Which of the following is used to protect electrical components from overload? a) On/Off Switch b) Resistor c) Relay d) Fusible Link d) Fusible Link Automatic transmission cooler lines can be best repaired by which of the following methods? a) Splice the cooler lines with a non-neoprene rubber hose b) Splice the lines with brass compression fittings c) Braze the line with a non-flux brazing rod d) repair the damaged area with epoxy c) Braze the line with a non-flux brazing rod For a maximum freeze and heat protection, anti freeze and water should be mixed at a ration of? a) 75 af 25 water b) 25 af 75 water c) 35 af 65 water d) 50 af 50 water d) 50 af 50 water What is the proper procedure when working on an energy absorbing safety device ( such as bumper shock absorbers and inflatable dashes ) c) Always replace a damaged safety device a) Repair if only minor damage is found b) Insert safety pins prior to disassembling the vehicle c) Always replace a damaged safety device d) Exercise care when rebuilding the device After replacing a power steering hose, what should be done to remove trapped air in the system? a) Turn the steering wheel as far as it will go in one direction. Then hold the wheel against the stop until the trapped air is purged b) Cycle the system by turning the steering wheel lock to lock several times c) Bleed the system at the bleeder screw on the power cylinder d) Crack the bleeder screw on the spool control valve and turn the steering wheel slowly until the air is released b) Cycle the system by turning the steering wheel lock to lock several times What is the proper way to adjust tapered roller wheel bearings? a) Torque the adjusting nut t 17 to 25 foot pounds b) Finger tighten the adjusting nut with the brakes applied d)Torque the adjusting nut to 25 ft pounds to seat the bearing back c) Rotate the wheel slowly and tighten the adjusting nut until the off the preload, then finger tighten the adjusting nut while rotating wheel stops, then install the cotter pin the wheel d)Torque the adjusting nut to 25 ft pounds to seat the bearing back off the preload, then finger tighten the adjusting nut while rotating the wheel What tool should be used to check lateral run out ( Bent condition ) on a wheel or a drive axle? a) A straight edge b) A micrometer c) A Vernier caliper d) A dial indicator d) A dial indicator When splicing electrical connections, what type of solder should be used? b) Rosin core a) Acid core b) Rosin core 4/5 c) Tin oxide d) Lead filament Before doing electrical repairs, what precaution should be taken? a) Always disconnect the batter (hot) wire on the alternator b) Disconnect the starter so the automobile cannot be started c) Disconnect the battery ground cable d) Disconnect the battery positive cable c) Disconnect the battery ground cable If a drive shaft is removed, what precaution should be taken? a) Stand the drive shaft on end to prevent warpage while storing b) Mark the shaft so it can be reinstalled with its original relation- b) Mark the shaft so it can be reinstalled with its original relationship to the mating parts to reserve balance ship to the mating parts to reserve balance c) Always replace universal joint/seals when removing a drive shaft to ensure proper grease retention d) Cap the slip yoke to prevent spline damage The proper repair to a brake line is a) Replacement with a flared aluminum line b) Replacement with a double flared copper line c) Splicing with high pressure hydraulic hose and hose camps d) Replacement with double flared steel line d) Replacement with double flared steel line Which of the following fluids should be used to top off a brake reservoir? a) Ethylene glycol b) Power steering fluid c Dexron II d) None of the above d) None of the above What e=measurement is being made in the diagram a) Steering Radius b) Toe in c) Curb height d) Camber/caster b) Toe in 5/5