EME 4 marks Questions

 Question on figure with explanation

1. Explain wringing process of slip gauges with sketch

2. Explain Sigma Comparator with sketch

3. Explain principle of Pneumatic comparator with sketch

4. Explain Two wire method of screw Measurement

5. Explain Parkinson's gear tester with sketch

6. Explain Gear tooth caliper with sketch

7. Explain alignment test of lathe machine alignment of both centre

8. Explain use of sine bar to measure angle of taper plug gauge

9. Draw surface finish designation on drawing 

10. Explain Adjustable snap gauge with sketch

*Question on Difference between or comparison*

1. Difference between Line standard and End Standard

2. Compare Accuracy and Precision

3. Compare Slip gauges with Angle gauges

4. Differentiate between Hole basis and Shaft basis system

5. Differentiate between measuring instrument and Limit gauges

6. Compare tolerance and Allowance 

Numerical Based Question

1.Measure a distance of 6.905 mm with the help of slip gauges with the help of 112 set of slip gauge? Sketch the arrangements 

2.If length of sine bar is 100 mm, find the length of slip gauges required to build an angle of 14 degree by using M45 slip Gauges

3.Design a general type of plug gauge for checking a hole dimension 30 -0.03 +

0.05 Consider both wear allowance and 

gauge tolerance as 10% of work tolerance. (6)

4. A shaft of +/- 0.004 mm is to be checked by means of GO and NOGO gauge .Design the dimension of gauge required (4)

5. An angle of 49° 29' 18" is to be developed by using standard angle gauge set of 13 pieces. Calculate the gauges required and

sketch the arrangement

6. In the measurement of surface roughness, heights of 10 successive peaks and valleys were measured from a datum as

Peaks- 45,42,40,30,35 microns

Valleys30,25,25,24,18 microns

Determine the Ra value of the surface