Podcast
Questions and Answers
What is the voltage rating of screwdrivers used by electricians?
What is the voltage rating of screwdrivers used by electricians?
- 500 volts A.C. and 750 volts D.C.
- 2000 volts A.C. and 2500 volts D.C.
- 3000 volts A.C. and 3500 volts D.C.
- 1000 volts A.C. and 1500 volts D.C. (correct)
Standard screwdrivers can be used for electrical work.
Standard screwdrivers can be used for electrical work.
False (B)
What should be done when the tip of a standard screwdriver becomes worn or broken?
What should be done when the tip of a standard screwdriver becomes worn or broken?
redress to shape
Voltage-rated screwdrivers should be kept separate from general tools in the __________ to avoid damage.
Voltage-rated screwdrivers should be kept separate from general tools in the __________ to avoid damage.
Match the types of screw drives with their names:
Match the types of screw drives with their names:
Why should screwdrivers be kept clean and free from dirt, oil, and grease?
Why should screwdrivers be kept clean and free from dirt, oil, and grease?
There are only two types of screwdrivers: flat blade and Phillips.
There are only two types of screwdrivers: flat blade and Phillips.
What is the primary consideration when choosing a screwdriver for a job?
What is the primary consideration when choosing a screwdriver for a job?
What is a characteristic of a manual screwdriver?
What is a characteristic of a manual screwdriver?
Ratchet screwdrivers can be used to turn screws in both directions.
Ratchet screwdrivers can be used to turn screws in both directions.
What is the primary purpose of an impact screwdriver?
What is the primary purpose of an impact screwdriver?
A Yankee screwdriver uses a _______________________ mechanism.
A Yankee screwdriver uses a _______________________ mechanism.
What is the advantage of a magnetic screwdriver?
What is the advantage of a magnetic screwdriver?
A powered screwdriver is powered by a manual mechanism.
A powered screwdriver is powered by a manual mechanism.
Match the following types of screwdrivers with their characteristics:
Match the following types of screwdrivers with their characteristics:
What is the main difference between manual and powered impact drivers?
What is the main difference between manual and powered impact drivers?
Study Notes
Screwdriver Types
- Manual Screwdriver: has a thick handle and a cylindrical rod, most typical design
- Powered Screwdriver: powered by electricity or a battery, often used with power drills and multi-bit screwdrivers
- Ratchet Screwdriver: features an internal ball-bearing mechanism, making turning screws simple and repetitive in one direction
- Impact Screwdriver: delivers a strong, sudden rotational force and forward thrust, often used by mechanics to loosen larger screws, bolts, and nuts
- Magnetic Screwdriver: has a magnetized tip, making it simpler to install or remove screws
- Yankee Screwdriver: uses a spring-loaded mechanism, allowing users to tighten screws by pushing instead of twisting
Screwdriver Usage
- Screwdrivers used for electrical work are insulated and rated to withstand up to 1000 volts AC and 1500 volts DC
- Insulated screwdrivers should only be used for performing electrical work, while standard screwdrivers are for non-electrical work
- Voltage-rated screwdrivers should be kept separate from general tools and stored in a protective case to prevent damage to the insulation
Screwdriver Types by Screw Drive
- Flat screwdriver (standard flat blade)
- Phillips screwdriver
- Slotted screwdriver
- Pozidriv screwdriver
- Torx screwdriver
- Hex screwdriver
- Robertson screwdriver
- Tri-Wing screwdriver
- Torq-Set screwdriver
- Spanner Head screwdriver
Care of a Screwdriver
- Choose the correct type of screwdriver that suits the screw head
- Choose the correct size of screwdriver for the job
- When the tip of a standard screwdriver becomes worn or broken, redress it to shape
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Description
Test your knowledge of fastening and removing tools, specifically screwdrivers, and their different functional design types.
