STUPIDSID
1 (a)
Give the definition and objectives of metrology.
6 M
1 (b)
Explain line standard and end standard with examples.
6 M
1 (c)
The slip gauge set M38 consists of the following: List the slip gauges to build the following:- i) 29.875mm ii) 15.09mm
iii)101.345 mm.
iii)101.345 mm.
| Range (mm) | Steps (mm) | Pieces |
| 1.005 | - | 1 |
| 1.01-1.09 | 0.01 | 9 |
| 1.1-1.9 | 0.1 | 9 |
| 1.0-9.0 | 1.0 | 9 |
| 10.0-100.0 | 10.0 | 10 |
8 M
2 (a)
What are Limit, Fit and tolerance?
6 M
2 (b)
Explain hole basis system and shaft basis system.
6 M
2 (c)
Determine the dimensions of the shaft and hole for a fit 30 H8d10 and sketch he fit, given the following data:
i) Diameter 30 falls in the dia range 18-30, upper deviation for 'd' shaft is -16D0.44.
ii) i=0.45 D1/2+0.001D. Tolerance for IT8=25i, Tolerance for IT10=64i.
i) Diameter 30 falls in the dia range 18-30, upper deviation for 'd' shaft is -16D0.44.
ii) i=0.45 D1/2+0.001D. Tolerance for IT8=25i, Tolerance for IT10=64i.
8 M
3 (a)
Sketch and explain sigma comparator.
8 M
3 (b)
Explain with a neat sketch the construction and working principle of solex pneumatic comparator.
6 M
3 (c)
Give the systematic way of building angle gauges to set up angle of 33°, 16', 42'', using a standard set of 13 pieces. Also sketch the combination of angle gauges used.
6 M
4 (a)
Explain the principle of interferometry with the aid of sketch.
6 M
4 (b)
How do you find effective diameter of a screw thread using two-wire method?
6 M
4 (c)
With a sketch, explain the construction of a tool maker's microscope. What are its applications?
8 M
5 (a)
Explain with examples various stages of a generalized measurement system.
8 M
5 (b)
Define: Sensitivity, Hysteresis, Repeatability.
6 M
5 (c)
Give advantages and disadvantages of Electrical transducers.
6 M
6 (a)
With a block diagram, explain telemetry.
6 M
6 (b)
With a neat sketch, explain the working principle of a CRO.
8 M
6 (c)
What are X-Y plotters? With a block diagram, explain its working.
6 M
7 (a)
With a neat sketch, describe the Pirani gauge used for pressure measurement.
8 M
7 (b)
With a neat sketch, explain the working principle of prony brake dynamometer.
6 M
7 (c)
Describe with a neat sketch, the analytical balance.
6 M
8 (a)
Sketch and explain the working of optical pyrometer.
8 M
8 (b)
Describe the steps to be taken for the preparation of specimen and mounting of strain gauges.
6 M
8 (c)
What is Thermocouple? State the laws thermocouple.
6 M
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