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AP ECET MECHANICAL ENGINEERING Multiple Choice Questions (MCQs)

AP ECET Mechanical Engineering MCQs

AP ECET Mechanical Engineering - Production Technology and Computer Aided Manufacturing Systems

Which of the following welding methods is commonly used for welding thin materials?
A) Submerged arc welding
B) Atomic hydrogen welding
C) CO2 welding
D) Ultrasonic welding
Answer: C) CO2 welding
What is the primary disadvantage of welding defects like porosity and cracks?
A) Reduced hardness
B) Reduced strength
C) Increased fatigue resistance
D) Increased conductivity
Answer: B) Reduced strength
Which of the following machines is primarily used for machining cylindrical surfaces?
A) Lathe
B) Drilling machine
C) Shaper
D) Milling machine
Answer: A) Lathe
In which type of machining process is a rotating abrasive wheel used to finish a workpiece?
A) Lapping
B) Honing
C) Super finishing
D) Grinding
Answer: D) Grinding
What is the purpose of using jigs and fixtures in manufacturing?
A) To increase production rate
B) To hold and support workpieces
C) To provide high surface finish
D) To cool the workpiece
Answer: B) To hold and support workpieces
Which of the following is NOT a modern machining process?
A) Electric Discharge Machining (EDM)
B) Ultrasonic Machining (USM)
C) Abrasive Jet Machining (AJM)
D) Casting
Answer: D) Casting
What is the primary feature of CNC (Computer Numerical Control) machines?
A) Manual operation
B) Automation through computer programming
C) Use of analog circuits
D) High-speed manual control
Answer: B) Automation through computer programming
Which of the following is used in material handling systems in Computer Aided Manufacturing (CAM)?
A) Robots
B) Jigs
C) Lathe machines
D) Fixtures
Answer: A) Robots
What does AGV stand for in the context of manufacturing systems?
A) Automated Gripping Vehicle
B) Automated Guided Vehicle
C) Automatic General Vehicle
D) Advanced Guided Vehicle
Answer: B) Automated Guided Vehicle
Which of the following is a characteristic of Flexible Manufacturing Systems (FMS)?
A) High customization with low flexibility
B) High automation with minimal manual intervention
C) High cost and low efficiency
D) Low automation with high manual operation
Answer: B) High automation with minimal manual intervention
In which of the following methods is a laser beam used to remove material from the workpiece?
A) Chemical machining
B) Laser Beam Machining (LBM)
C) Ultrasonic machining
D) Abrasive jet machining
Answer: B) Laser Beam Machining (LBM)
What is the purpose of surface finishing operations like honing and lapping?
A) To improve dimensional accuracy
B) To increase material hardness
C) To improve surface quality and smoothness
D) To enhance material properties
Answer: C) To improve surface quality and smoothness
Which of the following machines is used to create flat surfaces in machining?
A) Shaper
B) Drilling machine
C) Lathe
D) Slotter
Answer: A) Shaper
Which welding method is characterized by the use of an inert atmosphere to prevent oxidation of materials?
A) Atomic hydrogen welding
B) Submerged arc welding
C) CO2 welding
D) Ultrasonic welding
Answer: B) Submerged arc welding
In Computer Integrated Manufacturing (CIM), which of the following is typically integrated?
A) Design, production, and inventory management
B) Human resources and inventory
C) Sales and marketing
D) Only production and quality control
Answer: A) Design, production, and inventory management

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AP ECET MECHANICAL ENGINEERING Multiple Choice Questions (MCQs)

AP ECET Mechanical Engineering - Production Technology and Computer Aided Manufacturing Systems

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