What is the purpose of a die in workshop practice?
A Joining materials
B Shaping material
C Measuring dimensions
D Holding the tool
A die is a tool used in manufacturing to shape material by applying force. Dies are typically used in processes such as stamping, forging, and molding to create specific shapes or forms, especially in mass production.
What is the primary function of a hydraulic press?
A Drilling holes
B Grinding surfaces
C Bending and shaping
D Cutting material
A hydraulic press uses hydraulic force to bend, shape, or form material. It applies high pressure force through a piston, making it ideal for processes like stamping, pressing, and forming metal or plastic parts.
What is the purpose of a welding jig?
A Measuring angles
B Cooling the weld
C Drilling holes
D Holding the workpiece in place
A welding jig is used to hold the workpieces in the correct position during the welding process. It ensures precision and consistency by stabilizing the parts while they are welded together, reducing the risk of misalignment.
What is a CNC machine used for in workshop practice?
A Automating machining processes
B Shaping metal by hand
C Cutting material manually
D Measuring parts
CNC (Computer Numerical Control) machines automate machining processes, such as milling, turning, and drilling, using computer programming. This improves precision, efficiency, and repeatability, making it suitable for high volume and complex operations.
What is the primary purpose of a lathe machine in fabrication?
A Drilling holes
B Grinding surfaces
C Shaping cylindrical parts
D Cutting threads
A lathe machine is primarily used for turning operations, where the workpiece is rotated while a cutting tool shapes it. This process is ideal for producing cylindrical or symmetrical parts, such as shafts or pipes, in metalworking.
Which machine tool is used to shape flat surfaces using a rotating abrasive wheel?
A Lathe
B Surface grinder
C Drill press
D Milling machine
A surface grinder uses a rotating abrasive wheel to remove material from a workpiece, producing smooth, flat surfaces. It is essential for achieving high precision in surface finishing and is commonly used in metalworking for fine tuning surfaces.
What is the primary material used for making dies in die making processes?
A Steel
B Brass
C Aluminum
D Copper
Steel is commonly used in die making because of its strength, durability, and resistance to wear. It is ideal for withstanding the high pressure and impact forces encountered during stamping, molding, and forging operations.
What is the function of a welding machine?
A Cutting parts
B Heating material to a specific temperature
C Measuring parts
D Joining materials through heat and pressure
A welding machine is used to join materials, typically metals, by applying heat and sometimes pressure. It melts the edges of the materials, allowing them to fuse together, creating a strong bond suitable for structural applications.
What is the purpose of fabrication in workshop practice?
A Shaping and joining materials
B Assembling components
C Measuring parts
D Cutting material
Fabrication involves shaping and joining materials, typically metals or plastics, to create components or structures. It includes processes like welding, cutting, bending, and assembling, and is commonly used in industries like construction and automotive manufacturing.
Which of the following is used to create precise holes in a workpiece?
A Hammer
B Drill press
C Grinding wheel
D Lathe
A drill press is a stationary machine used to drill precise holes in a workpiece. It provides more control and accuracy compared to handheld drills, making it suitable for repetitive drilling tasks in workshop settings.
What is a common application of a hydraulic bending machine?
A Bending metal sheets
B Shaping wood
C Measuring material thickness
D Cutting material
A hydraulic bending machine uses hydraulic force to bend metal sheets into various shapes, such as angles or curves. This machine is essential in sheet metal fabrication, providing the necessary force to bend metal accurately and efficiently.
What is the primary advantage of using CNC equipment over manual machining?
A Lower cost
B Slower operation
C Greater precision
D Increased labor
CNC equipment provides greater precision compared to manual machining. It uses computer controlled movements to produce parts with exact dimensions and tolerances, reducing human error and improving efficiency in high volume or complex machining tasks.
What is die casting primarily used for?
A Welding parts
B Cutting material
C Measuring parts
D Creating complex shapes from molten metal
Die casting is a manufacturing process that involves injecting molten metal into a mold (die) under high pressure. It is ideal for producing complex shapes with high precision and is commonly used in industries like automotive and electronics.
What is the function of a bending machine in workshop practice?
A To drill holes
B To shape material using force
C To grind surfaces
D To measure dimensions
A bending machine is used to shape material, usually metal, by applying force to bend it into a desired angle or shape. It is commonly used for producing parts like brackets, frames, and supports in metalworking.
What type of workshop equipment is used for cutting metal plates into smaller sections?
A Shear machine
B Welding machine
C Lathe machine
D Milling machine
A shear machine is used for cutting metal plates into smaller sections by applying a high force to shear the material. It is ideal for cutting sheet metal and other thin materials without deforming them.
