Automotive Technology
7th Edition
ISBN: 9781337794213
Author: ERJAVEC, Jack.
Publisher: Cengage,
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 14, Problem 6MC
Which of the following is not a true statement about thermostats?
- Faulty thermostats are often the cause of air pockets in the coolant passages.
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
Which of the following statements is not true?
A direct acting PRV:
Is complex in construction, therefore can malfunction if a very small dirt gets trapped inside the valve, which may result in safety hazard
Offers uneven flow
Does not provide precise pressure control
Causes more wastage of HP compared to a compound one
Which of the following basic system components has the primary function of removing the heat of compression from the air?
Receiver
Relief valve
Pressure regulator
Dryer
Aftercooler
Which of the following statements is true?
A single acting cylinder may have two ports at two different ends and pressurized fluid can be directed to both of them
A single acting cylinder with two ports will can be used as a double acting cylinder
A single acting cylinder may have two ports at two different ends but into only one of the ports pressurized fluid is being directed
A single acting cylinder…
Which one of the following
mechanisms is used to
control the rotor speed of the
wind turbine?
Gearbox control
Wind vane control
Pitch control
Anemometer
the oil pressure light stay on whatever the engine fis running, and the oil pressure has been checked and it meet specifications: Technician A says that a ground in the circuit between the indicator light and the pressure switch could be the cause. Technician B says that an open in the pressure switch could be the cause. Who is correct?
Chapter 14 Solutions
Automotive Technology
Ch. 14 - What is the most efficient way to increase a...Ch. 14 - Explain why a pressure relief valve is needed in...Ch. 14 - List five problems that can be caused by engine...Ch. 14 - Describe the procedure for using air bleed valves...Ch. 14 - Describe the simple test used to determine whether...Ch. 14 - True or False? The presence of air in the cooling...Ch. 14 - True or False? Oil pressure is determined by...Ch. 14 - True or False? To eliminate the drain of engine...Ch. 14 - Which of the following is a function of the...Ch. 14 - For every pound of pressure put on engine coolant,...
Ch. 14 - Which is not a typical method of driving the water...Ch. 14 - Which of the following is not an effective way to...Ch. 14 - Cooling system hoses should be replaced when they...Ch. 14 - Which of the following is not a true statement...Ch. 14 - An engine overheats in traffic but is fine when...Ch. 14 - Technician A says that excessive engine oil...Ch. 14 - While checking for conditions that might cause...Ch. 14 - When discussing oil consumption: Technician A says...Ch. 14 - Technician A says that if the PCV valve or...Ch. 14 - While bleeding air from a cooling system:...Ch. 14 - While diagnosing an engine that overheats after...Ch. 14 - While performing a cooling system service on a...Ch. 14 - While discussing the causes of extreme engine...Ch. 14 - While diagnosing the cause of air bubbles in the...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- Which of the following is not an effective way to determine if an engine has an internal coolant leak? Performing a pressure test on the system Visually inspecting the exhaust, coolant, and engine oil Using a dye penetrant and black light Using a combustion leak testerarrow_forwardThe coolant temperature gauge stays low (cold) after die engine has been started and ran until the engine is hot Technician A says that the wires to the sending unit may be shorted together. Technician B says that the sending unit may be electrically open. Who is correct? Technician A Technician B Both A and B Neither A nor Barrow_forwardWhich of the following statements best defines the term evacuation? A process in which the refrigerant in a system is released. A condition that exists when a compressor runs until there is no refrigerant left in the system. The process that pulls all traces of air and moisture from the system. A process that uses air to force moisture and dirt out of the system.arrow_forward
- Which of the following statements about the SRS warning lamp is not true? When the ignition is first turned on, the indicator should turn on and remain on for approximately 6 seconds. If the system seems to be able to work correctly, the lamp will stay lit as the engine runs. If the lamp flashes or turns off and then turns on again, low source voltage may be indicated. A system problem is indicated when the lamp does not turn on when the ignition is initially turned on.arrow_forwardAn engine overheats in traffic but is fine when driving: Technician A says a faulty thermostat may be the cause. Technician B says the fan clutch could be the cause. Who is correct? a. Technician A b. Technician B c. Both A and B d. Neither A nor Barrow_forwardWhen checking the exhaust system, the Certified Inspector must reject the vehicle if: It does not have a heat shield. It does not have a muffler. It does not have a turbocharger. It does not have either a muffler or a turbocharger.arrow_forward
- Discuss the difference between an air cooled vehicle engine and a liquid cooled engine Discuss the reason to use “Engine Coolants” in engine cooling system. Explain vividly about the functions of Thermostat valve and pressure cap. Discuss the main functions of the lubricating system of an engine Discuss the types of lubricating systems available. Discuss about the Lubricant Classification Discuss how to check lubricant quality of an automobile.arrow_forwardWhile discussing the results of an oil pressure test: Technician A says that when the fluid pressures are high, internal leaks, a clogged filter, low oil pump out put, or a faulty pressure regulator valve are indicated. Technician B says that if the fluid pressure increased at the wrong time, an internal leak at the servo or clutch seal is indicated. Who is correct? a. Technician A only b. Technician B only c. Both A and B d. Neither A nor Barrow_forwardWhile discussing an inoperative blend air door: Technician A says that to check the proper functioning of the ductwork, move the temperature control lever to see if any change at the doors occurs. If it does not, shut off the air conditioner and turn on the heater. Move the temperature control arm again to see if any change occurs. If not, check the cable and the flap door connected to the temperature control lever. Technician B says that in some cases you can reach under the dash to reconnect the cable or free a stuck flap. Who is right? Technician A only Technician B only Both A and B Neither A nor Barrow_forward
- Technician A says that some refrigerant leaks can also be traced to pinholes in the evaporator caused by acid, which forms when water and refrigerant mix. Technician B says that leaks are most often found at the compressor hose connections and at the various fittings and joints in the system. Who is correct? Technician A only Technician B only Both A and B Neither A nor Barrow_forwardAn overheating vehicle is being discussed. Technician A states that the thermostat is open until the engine fully warms up. Technician B states that the vehicle may be overheating because the thermostat is stuck closed. Who is correct? Select one: a. Technician A only b. Technician B only c. Both Technicians A and B d. Neither Technician A nor Barrow_forwardTrue or False? All engine coolants contain some phosphates, which make them unfriendly to the environment.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Automotive Technology: A Systems Approach (MindTa...Mechanical EngineeringISBN:9781133612315Author:Jack Erjavec, Rob ThompsonPublisher:Cengage LearningAutomotive TechnologyMechanical EngineeringISBN:9781337794213Author:ERJAVEC, Jack.Publisher:Cengage,
Refrigeration and Air Conditioning Technology (Mi...Mechanical EngineeringISBN:9781305578296Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill JohnsonPublisher:Cengage Learning
Automotive Technology: A Systems Approach (MindTa...
Mechanical Engineering
ISBN:9781133612315
Author:Jack Erjavec, Rob Thompson
Publisher:Cengage Learning
Automotive Technology
Mechanical Engineering
ISBN:9781337794213
Author:ERJAVEC, Jack.
Publisher:Cengage,
Refrigeration and Air Conditioning Technology (Mi...
Mechanical Engineering
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:Cengage Learning
Hydronics Step by Step; Author: Taco Comfort Solutions;https://www.youtube.com/watch?v=-XGNl9kppR8;License: Standard Youtube License