II. Speaking Exercises

Exercise 1. Describe using the suggested words and expressionsas in example:

muffler device; to deaden; the noise; produce; escaping gases; vapors; A muffler is a device to deaden the noise produced by escaping gases or vapors.

stainless alloy corrosion-resistant iron-chromium alloys; containing 10% or more chromium; nickel; silicon; molybdenum; tungsten; niobium; known as stainless steel (SS).

welding joining; two metals; heat; to melt; to fuse; with or without filler metal;

clearance piston-and-cylinder mechanism; the space; the cylinder; at dead-center position; toward the end of the cylinder;

installation procedures; setting up; equipment; use or service;

 

Exercise 2. Ask questions to the given answers:

1) Question: ___________________________________________?

Answer: Most performance pipes are formed with mandrel bends which do not narrow the diameter of the pipe where it curves.

2) Question: ___________________________________________?

Answer: Performance mufflers are available in both direct-fit or universal configurations.

3) Question: ___________________________________________?

Answer: When the stock muffler is removed, the existing pipe may have to be cut, shortened or lengthened.

4) Question: ___________________________________________?

Answer: Direct-fit mufflers usually do not require modifications or changes because they are designed to replace the stock muffler perfectly.

5) Question: ___________________________________________?

Answer: Different engines sound differently and produce different frequencies and harmonics in their exhaust systems.

 

III. Writing exercises:

Exercise 1. Complete the sentences with the suggested words: connect; require; is;

Direct-fit mufflers usually do not _______ modifications or changes because they are designed to replace the stock muffler perfectly. Most are a simple bolt-in installation that _______ to existing pipes and have mounts that line up with the stock hangers. The major drawback with direct-fit custom mufflers _____ limited availability for less popular models.

 

Exercise 2. Fill in the table with words and expressions from the text:

	parts	materials	processes
Example: pipes today are made of		stainless steel
most performance pipes are formed with
manufacturers also use
new hangers are often necessary to support

Exercise 3. Compose a story on one of the topics (up to 100 words):

“A bulge forming or hydroforming process”

“The main drawback of one-size-fits-all mufflers”

“Making modifications to a stock exhaust system”

“Direct-fit mufflers”

 

 

Lesson 8