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WorksheetsME1506 METROLOGY ASSIGNMENT I
Total questions: 30
Worksheet time: 15mins
The degree of closeness of the measured value of a certain quantity with its true value is known as
Accuracy
Precision
Standard
Sensitivity
The following is an internationally recognized and accepted unit system
MKS
FPS
SI
All of the above
Linear measurement is used to measure a(n)
Box
Line
Circle
Triangle
What is the base unit for linear measurement?
Liter
Gram
Meter
Volume
On a vernier scale of 0.02 least count there will be .........?
49 divisions
50 division
Go and NO GO gauge is a type of.........?
Slip gauge
Plug gauge
The smallest measurement that can be measured with an instrument is known as ........... ?
Sensitivity
Least count
Telescopic gauge used for the.......?
measurement of depth of holes
measurement of diameter of holes
What is the range of bevel protractor?
a) 0-90°
b) 0-180°
c) 0-360°
d) 90-270°
What is the least count of vernier bevel protractor?
a) 10’
b) 5’’
c) 5’
d) 10’’
Which of the following is correct about the adjustable blade?
a) Adjustable blade is attached to main body
b) Adjustable blade is capable of rotating freely about the centre
c) Adjustable blade is capable of rotating freely about the free edge
d) Adjustable blade is attached to base plate
Wringing is done by ______________?
Slip Gauge
Bore Gauge
Pitch Gauge
Plug Gauge
Which one of the following statements is TRUE?
The ‘GO’ gauge controls the upper limit of a hole1
The ‘NO GO’ gauge controls the lower limit of a shaft
The ‘GO’ gauge controls the lower limit of a hole
The ‘NO GO’ gauge controls the lower limit of a hole
None of the above
Which principle is related to Gauge design?
Rankin principle
Position principle1
Taylor’s principle
Carnot Principle
None of the above
Which one of following is used for checking shaft diameter of a manufactured lot?
Thread gauge
Slip gauge
Ring gauge
Plug gauge
All the above
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
Sine bar is used to measure an angle upto.......... degrees.
30
45
60
90
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
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
Random errors in a measurement system are due to
Environmental changes
Use of uncalibrated instrument
Poor cabling practices
Unpredictable effects
What it indicates?
More precise and more accurate
No precise but accurate
accurate but not precise
neither precise nor accurate
Steel rule is used for taking..........measurements
Depth
Linear
Interchangeable part simple example
V-block is used in the workshop to check
roundness of cylindrical work
surface roughness
taper on job
none of these
.......... is used for checking internal threads?
Thread plug gauge
Thread ring gauge
