Q.1
What is the advantage of mechanical comparator over others?
  • Less moving parts
  • No need of external supply
  • No error due to parallax
  • Large range of instrument
Q.2
1°C = _______K
  • 272
  • 273
  • 274
  • 275
Q.3
Metro logy is a branch of science which deals with ___.
  • MEASUREMENTS
  • TOOLS
  • INSTRUMENTS
  • DIMENSIONS
Q.4
What is the main purpose of Wringing of slip gauges?
  • Increase length between mating slips
  • Reduce length between mating slips
  • Remove air-gap between mating slips
  • Align mating slips
  • None of the above
Q.5
The study of scientific metrology deals with
  • accuracy and methods of measurement
  • standard specifications
  • theories related to nature
  • all of the above
Q.6
If the instrument is used in wrong manner while application, then it will results in
  • Systematic error
  • Instrument error
  • Random error
  • Environmental error
Q.7
Which of the following error is not a systematic error?
  • Error induced due to stylus pressure
  • Instrument location errors
  • Error due to parallax
  • Error due to play in the instrument’s linkages
Q.8
Which of the following is not correct about wavelength standard?
  • Wavelength of monochromatic light is an invariable unit of length
  • Wavelength standard is a physical standard
  • It is a reproducible standard
  • It is a natural unit of length
Q.9
The desirable static characteristics of a measuring system are
  • Accuracy and resproducibility
  • Accuracy, sensitivity and reproducibility
  • Drift and dead zone
  • Static error
Q.10
From which category, sigma comparator belongs?
  • Optical comparator
  • mechanical comparator
  • mechanical-optical comparator
  • electric comparator
Q.11
Which of the following is a characteristic of End standard?
  • accuracy of ± 0.2 mm
  • accuracy of ± 0.050 mm
  • accuracy of ± 0.001 mm
  • accuracy of ± 1.00 mm
Q.12
In which of the following length standards, parallax error is observed?
  • line standard
  • end standard
  • both a & b
  • none of the above
Q.13
Which of the following causes is/are responsible for systematic errors?
  • non linearity
  • change in sensitivity
  • zero offset
  • All of the above
Q.14
Sine bar is used to measure an angle upto.......... degrees.
  • 30
  • 45
  • 60
  • 90
Q.15
It is the susceptibility of a measurement device to have its indicators converted into meaningful numbers.
  • · Readability
  • · Precision
  • · Inspection
  • · Error
Q.16
Has to ensure the adequate function of measurement instruments used in industry as well as production and testing process.
  • · Scientific Metrology
  • · Industrial Metrology
  • · Legal Metrology
  • · Fundamental Metrology
Q.17
What is bilateral tolerance?
  • Total tolerance is in 1 direction only
  • Total tolerance is in both the directions
  • May or may not be in one direction
  • Tolerance provided all over the component body
Q.18
DimensionH7 indicates
  • Hundred houses on 7th cross
  • 100 horses in 7 rows
  • Basic size of 100 , H fundamental deviation for Hole and 7 IT Grade
  • Basic size of 100 , H fundamental deviation for shaft and 7 IT Grade
Q.19
In the Standard ISof limits & Fits; there are _______ number of fundamental deviations.
  • 20
  • 100
  • 28
  • 25
Q.20
The maximum and minimum limit of size for the dimension± 0.mm is
  • 105.00 mm & 95.0 mm
  • 100.05 mm & 99.05 mm
  • 150.00 mm & 50.0 mm
  • 100.50 mm & 99.50 mm
0 h : 0 m : 1 s