Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN: 9781305578296
Author: John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 32, Problem 5RQ
If oil is to be stored at temperatures lower than 20°F,
A. waxes in the oil can reduce the oil's ability to flow properly.
B. kerosene can be added to lower the oil's pour point.
C.Both A and B are correct.
D. Neither A nor B is correct.
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
Technician A says that it takes about 1
pint of oil to raise the oil level from "add"
to "full." Technician B says that it takes
about 1 quart to raise it that much. Who is
correct?
Select one:
a. Technician A
b. Technician B
c. Both A and B
d. Neither A nor B
Given two oil According to the standard by Society Automotive
Engineers the oil , by comparing the 5W-30 with the 10W-30,
a. The 5W-30 has lower viscosity than 10W-30 at low
temperature.
O b. The 5W-30 has higher viscosity at the high temperature.
c.
Both of the oils are suitable for cold weather
O d. All of the above are true.
A vehicle comes in with no coolant and a
core plug popped out of the engine block.
Technician A states that the water pump is
likely to be overpressurizing the system.
Technician B states that the coolant may not
have a low enough freezing point. Who is
correct?
Select one:
a. Technician A only
b. Technician B only
c. Both Technicians A andB
d. Neither Technician A nor B
Chapter 32 Solutions
Refrigeration and Air Conditioning Technology (MindTap Course List)
Ch. 32 - How many grades of fuel oil are normally...Ch. 32 - What two elements make up fuel oil?Ch. 32 - The most common fuel oil used for residential and...Ch. 32 - As the temperature of an oil sample decreases, A....Ch. 32 - If oil is to be stored at temperatures lower than...Ch. 32 - Prob. 6RQCh. 32 - If it is expected that an oil-fired appliance will...Ch. 32 - How many pounds of oxygen are required to burn 1...Ch. 32 - Explain the concept of excess air when it is used...Ch. 32 - Before fuel oil can be burned, it must be A....
Ch. 32 - What products of combustion are produced with...Ch. 32 - When incomplete combustion occurs, what additional...Ch. 32 - The minimum nozzle pressure for residential and...Ch. 32 - Prob. 14RQCh. 32 - Describe the three functions of the oil burner...Ch. 32 - Describe three common spray patterns for an oil...Ch. 32 - The purpose of the electrodes of an oil burner is...Ch. 32 - Prob. 18RQCh. 32 - Prob. 19RQCh. 32 - List the advantages a solid-state igniter has over...Ch. 32 - Which of the following is the typical output...Ch. 32 - Prob. 22RQCh. 32 - Prob. 23RQCh. 32 - Prob. 24RQCh. 32 - Explain the difference between the hot contacts...Ch. 32 - The purpose of the cad cell in an oil burner...Ch. 32 - Explain why it is important to keep the cad cell...Ch. 32 - A one-pipe system may be used when the oil tank is...Ch. 32 - Prob. 29RQCh. 32 - Prob. 30RQCh. 32 - The oil flame must not hit the combustion chamber...Ch. 32 - Describe the purpose of the heat exchanger.Ch. 32 - When servicing an oil burner, a service technician...Ch. 32 - Describe the function of the flame-retention ring...
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
- What will happen if the float in an oil separator collapses?arrow_forwardWhat should be done with a leaking cylinder if the leak cannot be stopped?arrow_forwardTechnician A says that coolant hoses should be squeezed to check for hardening or softening. Technician B says that coolant hoses should be visually inspected for swelling and cracks. Who is correct? Select one: a. Technician A only b. Technician B only c. Both A and B d. Neither A nor Barrow_forward
- In Pensky Martin's apparatus what is the purpose of air jacket surrounding the oil cup.arrow_forward1-While refilling an 8-quart (7.57 L) system with coolant: Technician A initially puts in 4 quarts (3.78 L) of straight coolant and tops it off with water. Technician B fills the system with the correct mixture, tightens the radiator cap, and then checks for leaks. Who is correct? 2-While checking for conditions that might cause coolant electrolysis: Technician A places the positive lead of a voltmeter into the coolant and connects the negative lead to a ground. Technician B checks for the presence of voltage in the coolant with the ignition off. Who is correct? 3-Technician A says that if the PCV valve or connecting hoses become clogged, excessive pressure will develop in the crankcase and can cause oil leaks. Technician B says that if the PCV valve or connecting hoses become clogged, oil may be pushed into the air cleaner or cause it to be drawn into the intake manifold. Who is correct? 4-While bleeding air from a cooling system: Technician A loosens a heater hose at its highest…arrow_forwardA one-pipe system may be used when the oil tank is higher or lower than the oil pump. True or false.arrow_forward
- A _____________sample is taken from the flue gas tocheck the efficiency of a gas furnace.arrow_forwardWhich one of the following statement is correct for steam nozzle? a. Outlet velocity of the steam is greater than inlet velocity of the steam b. Work done by the steam nozzle O C. The height difference between inlet and outlet nozzle is more o d. Heat is rejected by the steam nozzlearrow_forwardCoolant hoses are being discussed. Technician A states that many manufacturers recommend coolant hose replacement on a maintenance schedule. Technician B states that coolant hoses can fail prematurely due to contamination by oil. 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_forward
- Two techs are discussing oil coolers. Technician A says that when inspecting oil- to-water type coolers, look for mixing of the fluids: oil in the coolant, and coolant in the oil. Technician B says that when inspecting oil-to-air type coolers, look for oil in the coolant only. Who is correct? Select one: a. Technician A b. Technician B c. Both A and B d. Neither A nor Barrow_forwardIf the oil on the dipstick looks milky gray, it is possible that there is water (or coolant) being mixed into the oil. This could have been caused by any of the following EXCEPΤ: Select one: a. a bad head gasket. b. a cracked head. C. a leaky oil cooler. d. a leaky fuel injector.arrow_forwardTwo technicians are discussing a coolant drain and refill. Technician A says that draining the coolant removes all coolant from the system. Technician B says that any trapped air in the system will bleed itself out automatically. Who is correct? Select one: a. Technician A only b. Technician B only c. Both A and B d. Neither A nor Barrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Refrigeration and Air Conditioning Technology (Mi...Mechanical EngineeringISBN:9781305578296Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill JohnsonPublisher:Cengage LearningAutomotive Technology: A Systems Approach (MindTa...Mechanical EngineeringISBN:9781133612315Author:Jack Erjavec, Rob ThompsonPublisher:Cengage LearningWelding: Principles and Applications (MindTap Cou...Mechanical EngineeringISBN:9781305494695Author:Larry JeffusPublisher:Cengage Learning
- Precision Machining Technology (MindTap Course Li...Mechanical EngineeringISBN:9781285444543Author:Peter J. Hoffman, Eric S. Hopewell, Brian JanesPublisher:Cengage Learning
Refrigeration and Air Conditioning Technology (Mi...
Mechanical Engineering
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:Cengage Learning
Automotive Technology: A Systems Approach (MindTa...
Mechanical Engineering
ISBN:9781133612315
Author:Jack Erjavec, Rob Thompson
Publisher:Cengage Learning
Welding: Principles and Applications (MindTap Cou...
Mechanical Engineering
ISBN:9781305494695
Author:Larry Jeffus
Publisher:Cengage Learning
Precision Machining Technology (MindTap Course Li...
Mechanical Engineering
ISBN:9781285444543
Author:Peter J. Hoffman, Eric S. Hopewell, Brian Janes
Publisher:Cengage Learning
Properties of Fluids: The Basics; Author: Swanson Flo;https://www.youtube.com/watch?v=TgD3nEO1iCA;License: Standard YouTube License, CC-BY
Fluid Mechanics-Lecture-1_Introduction & Basic Concepts; Author: OOkul - UPSC & SSC Exams;https://www.youtube.com/watch?v=6bZodDnmE0o;License: Standard Youtube License