313316 Metrology And Measurement(MM) Lab Manual Answers PDF
MSBTE 313316 Metrology and
Measurement Lab Manual Answers K Scheme 3rd Semester, Metrology and Measurement is a
crucial subject in Mechanical Engineering that focuses on measurement
science, precision, and accuracy in manufacturing and quality control.
Introduction
Metrology is the science of
measurement, while measurement techniques ensure accurate inspection of
components in industries. In the MSBTE Diploma 3rd Semester K Scheme,
this subject teaches students how to handle instruments like Vernier calipers,
micrometers, gauges, comparators, and surface measurement tools. The lab manual
helps students perform experiments systematically and prepare for viva exams.
Objectives of Metrology and Measurement Lab
- To
understand the importance of measurement in engineering.
- To
learn precise handling of instruments.
- To
compare different measuring devices and techniques.
- To
understand errors in measurement and their control.
- To
prepare students for quality inspection and control in industries.
Importance of Lab Manual Answers
- Provides
step-by-step experiment explanations.
- Helps
students in writing journals and assignments.
- Improves
confidence during practical exams.
- Explains
theory behind instruments in simple words.
- Saves
time and ensures accuracy in results.
Experiments Commonly Covered in Metrology and Measurement Lab
- Measurement
using Vernier caliper.
- Measurement
using Micrometer.
- Study
and use of Slip gauges.
- Measurement
using Dial comparator.
- Checking
of gear tooth using gear tooth vernier caliper.
- Study
of sine bar for angle measurement.
- Measurement
of surface roughness.
- Checking
of thread parameters using tool maker’s microscope.
MSBTE Practical Basic Viva/Oral Questions and Answers
Here are Some Basic Practical Viva/Oral
Questions with Simple Answers for MSBTE External VIVA/Oral Question and Answers
K Scheme Mechanical Engineering 3rd Semester from MSBTE
313316 Metrology and Measurement Lab Manual Answers K Scheme 3rd Semester or MSBTE
313316 MM Lab Manual Answers:
- What
is metrology?
Metrology is the science of measurement. - Why
is measurement important in engineering?
To ensure accuracy, quality, and interchangeability of manufactured parts. - What
is the least count of Vernier caliper?
Typically 0.02 mm. - What
is the least count of micrometer?
Usually 0.01 mm. - What
is slip gauge?
A set of precision blocks used for accurate length measurement. - What
is a comparator?
A device used to compare dimensions of a part with a standard. - What
is a dial indicator?
A measuring instrument used for checking small linear displacements. - What
is parallax error?
Error caused due to improper viewing angle while reading a scale. - What
is accuracy?
The closeness of a measured value to the true value. - What
is precision?
The repeatability or consistency of measurement results. - Differentiate
between accuracy and precision.
Accuracy shows closeness to true value, while precision shows repeatability. - What
is calibration?
The process of comparing an instrument against a standard to remove errors. - What
is a sine bar used for?
For precise angle measurement. - What
is a gear tooth vernier caliper?
An instrument used to measure gear tooth thickness. - What
is surface roughness?
Small irregularities present on a surface after machining. - What
is roundness error?
Deviation of a circular surface from a perfect circle. - What
is flatness?
The degree to which a surface is free from unevenness. - What
is a tool maker’s microscope?
An optical instrument used for measuring thread and small components. - What
is least count?
The smallest value that can be measured by an instrument. - What
is zero error?
Error that occurs when an instrument does not read zero at rest. - What
is pitch of a screw thread?
The distance between two consecutive threads. - What
is linear measurement?
Measurement of straight-line distances like length and thickness. - What
is angular measurement?
Measurement of angles using tools like sine bar and bevel protractor. - What
is measurement error?
The difference between true value and measured value. - What
is a CMM (Coordinate Measuring Machine)?
A device used to measure complex components with 3D precision. - What
is least count of a bevel protractor?
Usually 5 minutes (1/12 degree). - What
is gauge block wringing?
The process of sticking slip gauges together due to molecular attraction. - What
is backlash error?
Error caused due to looseness in the mechanical system of measuring devices. - What
is tolerance?
Allowable variation in dimension of a component. - What
is interchangeability?
The ability of manufactured parts to be replaced without custom fitting.
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