After Resurfacing a Valve Seat at 45 Degrees, the Seat

question 46

Multiple Choice

After resurfacing a valve seat at 45 degrees, the seat is too wide and the contact pattern extends all the way up to the valve margin. What should be done to bring the seat width into specifications?

• A)Make a 30-degree topping cut
• B)Make a 45-degree seat cut
• C)Make a 60-degree throat cut
• D)Replace the valve

---

Definitions:

African American Protest

Acts of resistance and demonstrations by African Americans against racial discrimination and injustice throughout U.S. history.

Radical Action

Measures or movements that aim for fundamental or transformative changes in society, often through direct, significant, and sometimes confrontational means.

Mid-1960s

Refers to the period of the 1960s, marked by significant social, political, and cultural change worldwide, often emphasizing years between 1964 and 1966.

Stokely Carmichael

A prominent figure in the civil rights movement, known for his leadership in the Student Nonviolent Coordinating Committee and his advocacy for Black Power.