ASVAB AUTO AND SHOP INFORMATION 1 EXAM

PDF Download

ASVAB AUTO AND SHOP INFORMATION #1 EXAM

QUESTIONS

Actual Qs and Ans - Expert-Verified Explanation -Guaranteed passing score -20 Questions and Answers

-Format: Multiple-choice / Flashcard

Question 1: The length of a 10-penny nail, in inches, is...

• 2 ½
• 3
• 3 ½
• 4

Answer:

B; A 10-penny nail is 3 inches long. For each 2-penny increase, the length increases by ½ inch. So, a 4-penny nail is 1 ½ inches long and a 12-penny nail is 3 ½ inches long.Question 2: The most likely reason for a total loss of oil pressure while driving is...

• an oil level that is too high.
• an oil whose viscosity is too thick.
• an oil level that is too low.
• dirty oil.

Answer:

C; The key to this question is the complete loss of oil pressure. This would occur due to a lack of oil in

the crankcase.Question 3: Reverse flushing of a clogged gasoline engine block and radiator cooling system is done properly by...

• not removing the thermostat from the engine block.
• connecting the flushing gun at the bottom of the engine block.
• using air and water.
• using low-pressure steam.

Answer:

C; Choice C is the best answer. When the engine block and the radiator are clogged, a mechanic wants to remove any foreign material that prevents the antifreeze-water mixture from cooling the engine.Flushing with water and using compressed air is the proper way to remove the blockages. The other methods might not do the job adequately.Question 4: A mechanic sets the proper electrode gap on a spark plug most accurately if he or she uses a...

• dial gauge.
• round wire feeler gauge.
• square wire feeler gauge.
• conventional flat feeler gauge.

Answer:

B; The spark jumps across the arc at only one point on the electrode. A round wire feeler gauge gives the best spark plug gap at one point.

Question 5: The most commonly used engine in an automobile is called a(an)...

• external-combustion engine.
• diesel engine.
• two-cycle engine.
• internal combustion engine.

Answer:

D; Automobiles use internal combustion engines. Fuel is ignited inside a cylinder to produce power.

Question 6: Glazier's points are used to...

• hold glass in a wooden window sash.
• scratch glass so that it can be broken to size.
• force putty into narrow spaces between glass and sash.
• remove broken glass from a pane.

Answer:

A; Glazier's points are triangular-shaped pieces of metal that are inserted into a window frame to prevent the glass from being pushed out.

Question 7: A governor is used on an automobile primarily to limit its...

• rate of acceleration.
• maximum speed.
• fuel consumption.
• stopping distance.

Answer:

B; The governor is a device that is used to limit the maximum speed of an auto. It is used as a safety device.

Question 8: The tool that is best suited for use with a wood chisel is...

Answer:

D; A wooden mallet is used in woodworking. The other hammers are made of steel. They are too hard and might crack a wood chisel. Choice A is a ball peen hammer, choice B is a straight peen hammer, and choice C is a brick hammer.Question 9: The reason that a lubricant prevents rubbing surfaces from becoming hot is that the oil...

• is cold and cools off the rubbing metal surfaces.
• is sticky, preventing the surfaces from moving over each other too rapidly.

• forms a smooth layer between the two surfaces, preventing their coming into contact.
• makes the surfaces smooth so that they move easily over each other.

Answer:

C; When two pieces of metal rub together, the friction causes a great deal of heat. Oil reduces the friction between the two pieces of metal.Question 10: If the "alternator," or charging system light comes on while the car is in normal operation, it is best to...

• stop the car immediately and have it towed in for repairs.
• stop immediately and have a new battery installed.
• drive as usual and wait to see if the light goes out.
• drive to the nearest auto repair shop to have the problem checked out.

Answer:

D; Usually when a warning light of any kind comes on while driving, the best thing to do is to pull over and stop the car immediately. However, in the case of a charging system warning light, if you shut off the car, you may not be able to restart it. If the car is running, you have enough electrical power, and you should drive it to the nearest repair shop.Question 11: Ethylene glycol is put into the radiator of an automobile in cold weather because it...

• lowers the boiling point of the mixture.
• lowers the freezing point of the mixture.
• raises the boiling point of the mixture.
• raises the freezing point of the mixture.

Answer:

B; Water freezes at 32°F, or 0°C. Adding alcohol will cause the water to freeze at a lower temperature and will help prevent the engine block from cracking.

Note:

When water freezes, it expands, and the pressure created can crack an engine block.