Asvab Test 6 - Auto and shop

Overheating the engine can cause all of the following problems EXCEPT __________. burned engine bearings. enlarged pistons. melted engine parts. improved fuel efficiency.

A primary advantage of the electronic ignition system over conventional ignition systems is __________. the electronic ignition system is less expensive to repair. the electronic ignition system provides a higher voltage. the electronic ignition system allows for use of a lower octane fuel. All of the above.

The primary purpose of piston rings is to __________. seal the combustion chamber and allow the pistons to move freely. connect the piston to the crankshaft. allow fuel to enter the piston cylinder. provide lubrication to the piston cylinder.

Connecting rods connect the piston to the __________. flywheel. fuel pump. crankshaft. battery.

In an overhead valve system (OHV), what mechanism opens and closes the valves?. rocker arms. camshaft. valve rotator. electrical energy from the alternator.

If a car's ignition system, lights, and radio don't work, the part that's probably malfunctioned is the __________. cylinder block. water pump. carburetor. battery.

A gauge shows the complete loss of oil pressure while driving. The best action is to __________. Stop by the gas station when convenient to top off the oil. Pull over immediately and investigate the problem. Drive directly to a repair garage. Assume everything is fine and continue driving as usual.

A two-cycle engine will normally be found on __________. small cars. large diesel trucks. trucks, vans, and some cars. snowmobiles, chainsaws, and some motorcycles.

The difference between a single-acting and an opposed piston engine is __________. Single-acting piston engines wear longer. Opposed piston engines have cylinders set in a V-shape. Single-acting piston engines have one piston per cylinder and opposed piston engines have two. Single-acting piston engines are used with carburetors and opposed piston engines are used with fuel injectors.

A car equipped with limited-slip differential __________. can be readily put into all-wheel (four-wheel) drive. won't lock up when the brakes are applied steadily. transfers the most driving force to the wheel with the greatest amount of traction. is rated for off-road driving.

Pouring cold water on an overheated engine __________. reduces damage caused by overheating. makes no difference. should only be done by a qualified mechanic. could cause the engine block to crack.

Soft brake-pedal movement can be caused by __________. air in the hydraulic brake system. malfunctioning brake shoes. loss of brake fluid. worn rotors.

The safest way to make a hole in sheet metal is to __________. burn it with a soldering iron. cut it using snips. punch it using a metal punch. get someone else to do it.

Rebar is used to __________. measure the depth of concrete. reinforce concrete. stir concrete. smooth concrete.

Nail sets are used to __________. protect your fingers from the hammer. set nails below the surface of wood. complete projects requiring sets of nails. mark the position where the nail should go.

A ripsaw cuts __________. against the grain of the wood. with the grain of the wood. most materials, including metal. only plastic.

Sledges can be used to drive __________. nails. screws. staples. bolts and chisels.

To check for horizontal trueness, the best tool to use is a __________. steel tape rule. plumb bob. level. sliding T-bevel.

A bucking bar is used to __________. pull nails. pry wood apart. drive rivets. drive screws.

Washers that have teeth all around the circumference to prevent them from slipping are called __________. shake proof washers. jaw washers. flat washers. split-lock washers.

The tool above measures: an inside curve. an outside curve. the depth of a hole. the thickness of wire.

The object above is a type of: nut. washer. screw. bolt.

The tool above is used to: finish concrete. spread joint compound. smooth wallpaper. dress wood.

The chisel used to cut metal is: This is a chisel used to cut metal! Remember This!. This a a chisel.

On which automotive system would a `stall test` be performed?. transmission. exhaust. engine. suspension.

The alternator __________. Starts the engine. Supplies power to the battery. connects the ignition system to the engine. can be used as an alternative to motor oil.

In which automotive system would you find a `wishbone`?. transmission. engine. exhaust. suspension.

If the electrolyte solution in a battery is too low, you should add __________. sulfuric acid. antifreeze. distilled water. gasoline.

What area of your car should be flushed periodically to maintain optimum performance?. exhaust system. brake system. cooling system. ignition system.

In a hydraulic brake system, if brake action is soft, a likely explanation is __________. the rotors are worn. air has gotten into the system. the master cylinder needs to be replaced. the brake calipers need adjustment.

Car restorers often seek NOS parts. What does NOS stand for?. Near Original Specifications. NASCAR Operating Standards. New Old Stock. None of the above.

To make spark plugs work effectively, the coil and breaker __________. provide a gap between the electrodes. ignite the spark. transfer the electricity to the correct spark plug. create a very high voltage of electricity.

Schrader valves can be found in your car's __________. tire. engine. transmission. electronic ignition.

A bent frame causes __________. improper tracking. auto accidents. poor ride. excessive rust.

In the tire designation 205/55 R 15 92 H, what does the `H` signify?. tread type. tire height. maximum speed. turning radius.

A sheet of aluminum should be cut with __________. a pair of scissors. a handsaw. tin snips. a coping saw.

Hammer faces are commonly made of each of the following materials EXCEPT __________. steel. brass. plastic. lead.

Hammers, mallets, and sledges are all striking tools, but mallets and sledges don't have __________. a claw. metal parts. as much durability. wedges.

Round objects can be measured most exactly using a __________. ridgid steel rule. folding rule. caliper. depth gage.

The best chisel to use when making a circular cut in metal is a __________. cold chisel. socket chisel. butt chisel. round chisel.

The term penny is used to designate the __________. number of threads per inch on a screw. length of a nail. cost of a nail. material a nail is made from.

Painting on a surface with too much moisture __________. causes no problems. causes bubbling. requires an extra coat of paint. takes longer.

To tighten a loose handle on a hammer __________. soak the handle in water. use wood glue to secure the handle more firmly to the head. drive another wedge into the head. replace the hammer because the problem can't be fixed.

An 8-point saw __________. has 8 teeth per inch. weighs 8 ounces. can saw 8 kinds of material. is 8-inches long.

Concrete is made by mixing __________. cement and sand. cement, sand, and water. cement and water. cement, sand, gravel, and water.

Which of the following tools isn't used to cut metal?. THIS TOOL DOES NOT CUT METAL! IT IS USED FOR WOOD ONLY!. This is a wood saw! Does not cut metal!.

The tool above is used to __________. cut tile. cut wire. turn screws. cut bolts.

The tool above is a(n) __________. Phillips screwdriver. Allen wrench. socket wrench. offset screwdriver.

A symptom of worn piston rings is __________. a knocking and pinging sound when driving. soft and spongy acceleration. the smell of exhaust in the car. an engine using excessive amounts of oil.

What term refers to the rebuilding of an engine to precise factory specifications?. blueprinting. specing. gold rebuild. silver rebuild.