Question

Which of the following statement is not correct?

• A. If the zero of vernier scale does not coincide with the zero of the main scale, then the vernier callipers is said to be having zero error
• B. Zero correction has a magnitude equal to zero error but sign is opposite to that of zero error
• C. Zero error is positive when the zero of vernier scale lies to the left of the zero of the main scale
• D. Zero error is negative when the zero of vernier scale lies to the left of the zero of the main scale

Answer 1

Answer: (C)

zero error is positive when the zero of vernier scale lies to the left of the zero of main scale.