30 Questions
What is the maximum allowable phosphorus content for free cutting steel?
0.11%
Which property class applies only to sizes up to 16 mm thread diameter?
9.8
What is torque used to create in thread fasteners?
Tension
For which size can a tempering temperature of 425°C be used?
M20 and larger
What is critical with the amount of tension created in the bolt?
The amount of tension
Which elements must alloy steel contain?
Chromium, Nickel, Molybdenum, Vanadium
What is the maximum allowable sulfur content for allowed classes?
0.35%
What is the function of a pneumatic torque wrench?
To multiply torque
In what range do nuts of higher property classes need to be used in place of nuts of lower property classes?
8.8-14.9
What should be used to adjust the tightness of nuts and bolts to a desired value?
Torque wrench
What should one not do when using a bar type torque wrench?
Touch anything with the beam of the wrench
What defines a power tool?
Activated by a power source
What is the purpose of sharpening a flat scraper?
To improve the cutting efficiency
How should one avoid overheating while grinding a flat scraper?
By using wet wheel grinding or cooling arrangement
What type of grinding wheel is suggested for sharpening flat scrapers with carbide tips?
Silicon carbide wheel
What is the recommended lubricant to be used during honing of a flat scraper?
Light mineral oil mixed with kerosene
How should the flat scraper be held while grinding the cutting edges?
Vertical and flat on the tool rest
What movement should be applied when honing the faces of a flat scraper?
Movement as shown in Fig 5
What is the purpose of a gauge in mass production?
To check product dimensions against acceptable limits
Which material are gauges typically made of?
Tool steel
What do gauges help to segregate in mass production?
Acceptable and non-acceptable products
What is one of the advantages of using gauges in production processes?
Faster checking within specified limits
Which of the following is NOT a common material for making gauges?
Copper
What does heat treatment do to the material of a gauge?
It strengthens the material
What is the purpose of snap gauges?
To check diameters and threads within certain limits
How are internal threads typically checked?
By comparing the size to cylindrical plug gauges
What is the main material used to make slip gauges?
Hardened steel with low thermal expansion
How are snap gauges generally shaped?
C-shaped
What is the function of thread plug gauges?
Check internal threads with 'Go' and 'No-Go' ends
Why are slip gauges hardened throughout?
For stabilization and precision
Test your knowledge on identifying materials based on their chemical composition. The quiz covers elements such as Boron, Manganese, Chromium, and various steel alloys with specific properties and maximum content restrictions.
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