Podcast
Questions and Answers
What is the primary function of drill bits?
What is the primary function of drill bits?
- To power a drill
- To create holes of non-circular cross-section
- To attach to a drill
- To remove material and create holes of circular cross-section (correct)
How do drill bits typically cut through a work piece?
How do drill bits typically cut through a work piece?
- By linear motion only
- By rotation and linear motion
- By rotation only (correct)
- By vibration and oscillation
In which country are fractional inch and gauge drill bit sizes commonly used?
In which country are fractional inch and gauge drill bit sizes commonly used?
- Australia
- Canada
- United Kingdom
- United States (correct)
What is the most common increment of drill bit sizes available in a market stall?
What is the most common increment of drill bit sizes available in a market stall?
What was published in the United Kingdom in 1959?
What was published in the United Kingdom in 1959?
Where can you find drill bits in 0.1-mm increments?
Where can you find drill bits in 0.1-mm increments?
What is the primary purpose of centre drills?
What is the primary purpose of centre drills?
What is the standard included angle for centre drills?
What is the standard included angle for centre drills?
What is the tolerance range for standard-tolerance bolts?
What is the tolerance range for standard-tolerance bolts?
Why is cad plating not possible for close-tolerance bolts?
Why is cad plating not possible for close-tolerance bolts?
What is the definition of a light drive fit for an AN hex bolt?
What is the definition of a light drive fit for an AN hex bolt?
What can be done to eliminate friction during fitting of close-tolerance bolts?
What can be done to eliminate friction during fitting of close-tolerance bolts?
What is the primary factor that determines the required temperature for a shrink fit?
What is the primary factor that determines the required temperature for a shrink fit?
What is the increase in unit length of any section of metal in any direction for an increase in temperature of 1 °C?
What is the increase in unit length of any section of metal in any direction for an increase in temperature of 1 °C?
Which of the following materials has the highest coefficient of linear expansion?
Which of the following materials has the highest coefficient of linear expansion?
What is the purpose of considering the allowance for shrinkage when calculating the total required expansion?
What is the purpose of considering the allowance for shrinkage when calculating the total required expansion?
Which of the following heating methods is not listed as an option?
Which of the following heating methods is not listed as an option?
What is the purpose of using a refrigerator for cooling a piece?
What is the purpose of using a refrigerator for cooling a piece?
What is the primary difference between interference fit and transition fit?
What is the primary difference between interference fit and transition fit?
What is the purpose of selective assembly in determining the type of fit?
What is the purpose of selective assembly in determining the type of fit?
What type of fit is characterized by a small size difference between the mating parts?
What type of fit is characterized by a small size difference between the mating parts?
What type of fit requires the use of a hydraulic press for assembly?
What type of fit requires the use of a hydraulic press for assembly?
What is the primary characteristic of a running fit?
What is the primary characteristic of a running fit?
What is the purpose of finely finished and accurate surfaces in achieving a transition fit?
What is the purpose of finely finished and accurate surfaces in achieving a transition fit?
What is the primary method for inspecting a shaft or other part for bow?
What is the primary method for inspecting a shaft or other part for bow?
What is the term used to describe the rotation of a shaft or component about its longitudinal axis?
What is the term used to describe the rotation of a shaft or component about its longitudinal axis?
What is the primary source of information for the inspection technique or method for twist?
What is the primary source of information for the inspection technique or method for twist?
What is the common method used to inspect compressor blades for bow?
What is the common method used to inspect compressor blades for bow?
What is the purpose of reference lines or datum points on a shaft?
What is the purpose of reference lines or datum points on a shaft?
Which of the following is NOT a method of checking for wear?
Which of the following is NOT a method of checking for wear?
