22 Questions
What is the main purpose of using drill jigs?
Drilling, reaming, tapping, and other allied operations
Which type of jig is specifically used for providing location from a bore?
Post jig
In the context of grinding wheels, what does a marking with 'C' indicate?
Cubic boron nitride abrasive
What is the primary function of a swing frame grinder?
Internal grinding of large castings
Which type of grinder typically utilizes a flexible shaft for its operation?
Flexible shaft grinder
What task is NOT typically performed using drill jigs?
Welding
What material is the wheel made of when it is combined with Silicon Carbide to create a grinding wheel?
Aluminium oxide
According to Indian standards, what group does a grain size of 46 belong to?
Medium
For which purpose are grinding fluids NOT used?
Reduces the friction between the wheel face and the job
What material is commonly used for the stylus of a surface indicator?
High carbon steel
Which type of grinder typically has a motor drive attached to it in milling machines?
Swing frame grinder
What is the purpose of combining C and Si to create a grinding wheel?
Reduce heat generation during grinding
What type of tool post is suitable for clamping rotary symmetrical tools?
Collet chuck
What is the process of impressing straight indentations on the surface of a workpiece called?
Knurling
Which mechanical device is used to support a long standard workpiece when it is turned between the centers?
Centre
What is a taper reamer used for tapering?
Drill hole
Identify the reamer type based on the given options.
Taper Pin Hand
Where does the cutting edge of a reamer reside?
Body
What is the uppermost part of a thread known as?
Crest
What are planing machines primarily used for?
Large jobs
In a milling machine, what holds and rotates the cutter?
Spindle
What part of swing frame grinder provides the necessary balance during operation?
Counterbalance
Test your knowledge on abrasive grinding with this quiz. Questions cover types of abrasives, grain size standards, and the use of grinding fluids.
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