2024M02W07 - Reading 1: Mechanisms

Below are examples of equipments that use mechanisms according to the passage, except _____.

• flip phone
• light switches
• water taps
• doors

Below are the basic kinds of motion according to the passage, except _____.

• vibrating motion
• rotational motion
• oscillating motion
• linear motion

According to the passage, what does a cam do?

• It converts rotational motion into reciprocating motion.
• It is a tool that uses rotary motion.
• It operates under reciprocating motion.
• It operates the valves.

How are plastic pipes formed according to the passage?

• It is formed by forcing plastic through dies.
• It is formed by lifting large components from one place to another.
• It is formed by shaping sheets into panels.
• It is formed by reciprocating movement.

According to the passage, what is the main role of mechanisms in industry?

• They deliver the power to do the work.
• They change one kind of motion into another type.
• They can lift large components from place to place.
• They make our lives more convenient.

What is a function of a crankshaft?

• It changes reciprocating motion into rotary motion.
• It converts rotary motion into reciprocating motion.
• It provides power to lift heavy objects.
• It delivers power to press car body.

What is an example of a device that uses linear movement?

• paper trimmer
• pendulum
• wheels
• piston

Below are devices that use rotary movement, except _____.

• piston
• wheels
• gears
• rollers

The word "vital" in line 4 can best be replaced by _____.

• important
• elementary
• basic
• lively