Q1: 1. Which type of comparator is used to compare the dimensions of a workpiece with a standard master gauge?

• A) Optical comparator
• B) Mechanical comparator
• C) Electrical comparator
• D) Pneumatic comparator

Q2: 2. What is the main advantage of a dial gauge over a standard micrometer for measuring small dimensions?

• A) Higher accuracy
• B) Easier readability
• C) Greater range of measurements
• D) Faster measurement speed

Q3: 3. Which type of gauge is commonly used for measuring the thickness of sheet metal in manufacturing processes?

• A) Dial gauge
• B) Go/no-go gauge
• C) Vernier caliper
• D) Feeler gauge