Technician A says that narrow valve seats exert a higher force on the seat area. Technician B says that if intake and exhaust valve springs are of equal pressure, then the larger valve must have a narrower seat in order to have the same seating pressure as the smaller valve. Who is right?
A. ?Technician A only
B. ?Technician B only
C. ?Both A and B
D. ?Neither A nor B
Answer: C
You might also like to view...
The unit of measurement for the porosity of fabric duct is _____.
a. cfm/ft2 of surface area b. cfh/ft2 of surface area c. cfm/lineal foot of duct material d. cfh/lineal foot of duct material
When three transformers are connected with their primary windings in delta and their secondary windings in delta, the total connection is called a(n) ____________________ connection.
Fill in the blank(s) with the appropriate word(s).
? Identify and state the historical significance of Bakke case.
What will be an ideal response?
Before starting an oil furnace, the technician should check to see that
A) The cleanout doors are open to allow unwanted debris to be blown out during ignition B) The flame observation door and all cleanouts are open C) The flame observation door and all cleanouts are closed D) The flame observation door is open for viewing