Exam 8: Cylinder Head: Springs, Valves, and Valve Sets

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?

(Multiple Choice)

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Question 41

List three sources of valve seating pressure.

(Essay)

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Question 42

What is the approximate width of a larger (15⁄8") exhaust valve seat? _____"

(Short Answer)

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Question 43

List three tests made on valve springs.

(Essay)

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Question 44

What are the names of the three valve seat angles?

(Essay)

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Question 45

Showing 41 - 45 of 45

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?

List three sources of valve seating pressure.

What is the approximate width of a larger (15⁄8") exhaust valve seat? _____"

List three tests made on valve springs.

What are the names of the three valve seat angles?

Engine Operation

Engine Shop Safety

Diagnosing Engine Problems

Engine Removal, Disassembly, Inspection, and In-Chassis Repairs

Cleaning the Engine

Micrometer Practice

Cylinder Head: Parts and Service

Camshafts, Lifters, Timing Belts, and Chains

Cylinder Block: Inspection and Service

Crankshaft, Bearings, and Engine Balancing

Pistons, Rings, and Connecting Rods

Lubrication

Cooling System

Engine Hardware: Fasteners, Thread Repair, and Gaskets

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Engine Breathing: Intake and Exhaust Systems

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Producing Power: Valve Timing, Power and Torque Measurement

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