### ME6504 MM 2marks-16marks

Anna University Regulation 2013 Mechanical Engineering (MECH) ME6504 MM 2marks & 16marks for all 5 units are provided below. Download link for MECH 5th SEM ME6504 METROLOGY AND MEASUREMENTS Short answers, Question Bank are listed down for students to make perfect utilization and score maximum marks with our study materials.

ME6504 METROLOGY AND MEASUREMENTS QUESTION BANK

**UNIT I- Concept of Measurements 2 MARKS**

The physical variable that is measured between two values is called as a range. One is

the higher calibration value H, and the other is Lower value L, The difference between H, and L, is called range.

2. What is Resolution?

The minimum value of the input signal is required to cause an appreciable change in the output known as resolution.

3. Differentiate between sensitivity and range with suitable example.

Example: An Instrument has a scale reading of 0.01mm to 100mm. Here, the sensitivity

of the instrument is 0.0lmm i.e. the minimum value in the scale by which the instrument can read. The range is 0.01 to 100mm i.e. the minimum to maximum value by which the instrument can read.

4. Define system error and correction,

Error: The deviation between the results of measured value to the actual value. Correction: The numerical value which should be added to the measured value to get the correct result.

5. Define measurand?

Measurand is the physical quantity or property like length, diameter, and angle to be

measured.

The metrology in which part measurement is replaced by process measurement is called as deterministic metrology. The new techniques such as 3D error compensation by CNC systems are applied.

7. Define over damped and under damped system.

Over damped – The final indication of measurement is approached exponentially from one side.

Under damped – The pointer approaching the position corresponding to final reading and makes a number of oscillations around it.

**ME6504 MM Unit 1 2marks & 16marks – Download Here**

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