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WorksheetsM1 1,2
Total questions: 112
Worksheet time: 19mins
Name
Class
Date
1.
Metrology is a branch of science which deals with ___.
a)
Measurements
b)
Medical applications
c)
Aeronautical Applications
d)
None
2.
What is metrology?
a)
Science of measurement.
b)
Unit of measurement
c)
A topic of physics
d)
Methodology of measurement.
3.
The basic objective of Metrology is to provide the required--- at a minimum cost.
a)
Precision
b)
Quality gauge
c)
accuracy
d)
all of these
4.
What are the objectives of metrology?
a)
to maintain accuracies
b)
to prepare design
c)
determination of measuring tools
d)
all of the above
5.
SI system established in _________ by the general conference of weights and measures
a)
1960
b)
1958
c)
1968
d)
1974
6.
______has been adopted as standard in most of the countries in the world.
a)
System International
b)
Measurement
c)
ANSI
d)
None
7.
Five darts strike near the centre of the target. Whoever threw the darts is ........
a)
Accurate
b)
Prceise
c)
Correct
d)
Both precise and accurate
8.
A chemist who frequently carries out a complex experiment is likely to have ......
a)
Accuracy but low precision
b)
Accuracy
c)
Precision
d)
Precision but low accuracy
9.
Quality or property to which quantiative comparisons are made is called----
a)
Accuracy
b)
Reference
c)
Precision
d)
Measurements
10.
Poor precision in scientific measurements may arise from .....
a)
The standard being too strict
b)
Human error
c)
Limitations of the measuring instrument
d)
Both human error and the limitations of the measuring instrument
11.
The accepted valuse is 1.43. Which correctly describes this experimental data? Trial 1: measurement - 1.29 Trial 2: measurement - 1.93
Trial 1: measurement - 0.88
a)
Neither accurate nor precise
b)
Both accurate nor precise
c)
precise but not accurate
d)
accurate but not precise
12.
he accepted valuse is 15.63. Which correctly describes this experimental data? Trial 1: measurement - 12.84
Trial 2: measurement - 13.02
Trial 1: measurement - 12.96
a)
neither accurate nor precise
b)
precise but not accurate
c)
accurate but not precise
d)
both accurate and precise
13.
________ is defined as a quantity of the same kind chosen as a unit or basis for comparison of a quantitative value to be a measure.
a)
Measurand
b)
Standard
c)
Both A and B
d)
None of the above
14.
The sequence of operations necessary for the execution of measurement is called
a)
Process Measurement
b)
Principles of Measurement
c)
Inspection
d)
Quality
15.
Two or more physical quantities combined to form ___________ units.
a)
Derived unit
b)
Fundamental units
c)
Temperature
d)
None
16.
Which of the following can be measured using an instrument directly?
a)
Velocity
b)
Momentum
c)
Speed
d)
Area
17.
Which of the following can not be measured using instrument?
a)
Depth of a bottle
b)
Number of fruits in a basket
c)
Pitch of a screw.
d)
Current flowing through the wire
18.
Which of the following parameter is not measured during routine inspection?
a)
Quantity of products manufactured
b)
Coolant temperature
c)
Dimensions of the job
d)
Hydraulic pressure
19.
1°C = _______K
a)
200
b)
273
c)
350
d)
None
20.
Which of the following can be measured using a sensor?
a)
Volume of water in a lake.
b)
Density of air in a container
c)
Friction between two surfaces
d)
Temperature of air at a height of 100 meters from the surface of earth.
21.
_______ is the physical quantity for Candela.
a)
Electric current
b)
Temperature
c)
Luminous intensity
d)
None
22.
Prefix for 101 is _____________.
a)
deca
b)
exa
c)
deci
d)
None
23.
SI symbol m is the prefix for ________
a)
Nano
b)
micro
c)
milli
d)
None
24.
How many parts does the result of the measurements contains?
a)
two
b)
four
c)
six
d)
seven
25.
What is a measurand?
a)
The standard
b)
The unknown quantity to be measured
c)
Both A and B
d)
None of the above
26.
___________ is the agreement of the result of a measurement with the true value of the measured quality.
a)
Precision
b)
Accuracy
c)
Interchangeability
d)
none of this
27.
_______ is defined as a quantity of the same kind chosen as a unit or basis for comparison of a quantitative value to be a measure.
a)
Measurand
b)
Standard
c)
Both A and B
d)
None of the above
28.
What is a measurand?
a)
The standard
b)
The unknown quantity to be measured
c)
Both A and B
d)
None of the above
29.
__________ is the repeatability of a measuring process
a)
Accuracy
b)
Interchangeability
c)
Precision
d)
None
30.
Repeatability of a measuring process is ---
a)
Inspection
b)
Precision
c)
Accuracy
d)
None of the above
31.
Agreement of the result of measurement with the true value of the measaured quality
a)
Quality
b)
Sensitivity
c)
Accuracy
d)
Precision
32.
In which measurement method, the unknown quantity (measurand) is measured directly instead of comparing it with a standard?
a)
Direct
b)
Indirect
c)
approximation
d)
indicator
33.
What are the characteristics of measuring instruments?
a)
Sensitivity, readability
b)
Range of accuracy, precision
c)
Both a and b
d)
None of the above
34.
Accuracy is defined as
a)
The number of significant figures used in a measurement
b)
The closeness of a measured value to the real value
c)
measure of how often an experimental value can be repeated
d)
None of these
35.
Conformity of a physical quantity to the national standard of measurement is known as
a)
Repeatability
b)
Calibration
c)
Traceability
d)
Sensitivity
36.
The thickness of a micron, is
a)
10-3 m
b)
10-4 m
c)
10-5 m
d)
10-6 m
37.
One Netwon force equals
a)
105 dynes
b)
100 dynes
c)
950 grams
d)
1050 grams
38.
Which of the following is not among the methods of linear measurements?
a)
Direct measurements
b)
Measurements by optical means
c)
Indirect measurements
d)
Indirect measurements d) Electromagnetic methods or EDM
39.
Which of the following is not a method of measuring the distances directly?
a)
Pacing
b)
Measurement with passometer
c)
Measurement with pedometer
d)
Measurement with theodolite
40.
Steel tapes are made of ______
a)
Spring steel
b)
mild steel
c)
copper
d)
carbon steel
41.
What is the least count of steel rule?
a)
0.05mm
b)
1.0mm
c)
0.02mm
d)
1.5mm
42.
Which of the following types of callipers is used to make lines parellel to inside and outside edges?
a)
Outside calliper
b)
Inside calliper
c)
Firm joint calliper
d)
Jenny calliper
43.
The caliper used for finding the centre of the round bar is called
a)
Firm joint calliper
b)
Spring joint calliper
c)
Jenny calliper
d)
All the above
44.
Instrument shaped like a watch and is carried in pocket or attached to one leg is _______ a) b) c) d)
a)
Pedometer
b)
Odometer
c)
Passometer
d)
Speedometer
45.
An example for non precision instrument
a)
Steel rule
b)
Vernier caliper
c)
Depth Gauge
d)
Micrometer
46.
Linear measurement includes the measurement of ______.
a)
length
b)
diameter
c)
height and thickness
d)
All the above
47.
The simple measuring instruments used to transfer measurements from a steel rule to objects and vice versa
a)
Vernier caliper
b)
Height gauge
c)
Calipers
d)
Depth Gauge
48.
For measuring recessed areas _______ type of is used
a)
Inside calipers
b)
Transfer Calipers
c)
Odd leg calipers
d)
Jenny calipers
49.
Spring joint calipers have the advantage of____
a)
Quick setting
b)
Quick releasing
c)
Both a & b
d)
None of the above
50.
Vernier caliper works under the principle of _______
a)
difference in scales
b)
Option in scale
c)
Screw and nut
d)
Sliding scale
51.
The least cound of vernier caliper is defined as
a)
Ratio of main scale division and vernier scale devision
b)
Different between main scale division and vernier scale devision
c)
product of main scale devision and vernier scale devision
d)
sum of main scale devision and vernier scale devision
52.
The least count of vernier caliper in which 19 (19mm) main sale devisions are divided into 20 equal devisions in the vernier scale will be
a)
0.019
b)
0.05
c)
0.01
d)
0.02
53.
A vernier callipers with one MSD of 1mm has 0.02 least count. How many divisions are there on the vernier scale?
a)
10 divisions
b)
20 divisions
c)
40 divisions
d)
50 divisions
54.
On a vernier scale of 0.05 least count,there will be ____ divisions.
a)
40 divisions
b)
20 divisions
c)
10 divisions
d)
50 divisions
55.
On a vernier scale of 0.1 least count,there will be ____ divisions.
a)
20 divisions
b)
10 divisions
c)
50 divisions
d)
40 divisions
56.
On a vernier scale of 0.02 least count, there will be ____ divisions.
a)
50 divisions
b)
40 divisions
c)
10 divisions
d)
20 divisions
57.
Find the least count of a vernier caliper whose 50 vernier scale divisions match with 49 main scale divisions? Given: least count of main scale is 1 mm.
a)
0.1mm
b)
0.02mm
c)
0.05mm
d)
0.001mm
58.
A Vernier caliper has 1 mm marks on the main scale. It has 20 equal divisions on the Vernier scale which match with 16 main scale divisions. For this Vernier caliper. What is the least count?
a)
0.1mm
b)
0.02mm
c)
0.05mm
d)
0.2mm
59.
Accurcy of micrometers, caliper and dial indicaters can be checked by
a)
feeler gauge
b)
ring gauge
c)
slip gauge
d)
plug gauge
60.
A gear tooth vernier caliper is used to check the gear tooth thickness ______ .
a)
at pitch line
b)
at crest line
c)
at root line
d)
None of the above
61.
A vernier micrometer has a least count of ____.
a)
0.01mm
b)
0.1mm
c)
0.001mm
d)
0.02mm
62.
Pitch length of micrometer gauge is 1 mm and there are 50 graduations on the thimble scale. What is the least count? would
a)
0.02mm
b)
0.05mm
c)
0.001mm
d)
0.1mm
63.
On a vernier caliper, fine adjustment mechanism is provided to_____.
a)
lock the movement
b)
get fine movement
c)
To rake measurement
d)
None of the above
64.
A hooked vernier depth gauge is used to check
a)
inside diameter
b)
distance to a recess
c)
outside diameter
d)
None of the above
65.
On a vernier micrometer, vernier scale is constructed by dividing __________ .
a)
19 thimble div. into 20 parts
b)
9 thimble div. into 10 parts
c)
49 thimble div. into 50 parts
d)
None of the above
66.
Depth of hole is measured
a)
micrometer
b)
Vernier depth gauge
c)
Vernier height gauge
d)
None of the above
67.
Transducers is which kind of measuring devices
a)
mechanical
b)
Magnetic
c)
Heat
d)
Electric
68.
An instrument used for cheking the height of the work pieces or scrbing lines accurately in relation to a given surface is known as _______
a)
caliper
b)
surface plate
c)
Vernier height gauge
d)
None of the above
69.
An outside micrometer spindle screw has a pitch of
a)
0.5mm
b)
10mm
c)
1mm
d)
0.01mm
70.
Ratchet stop of a micrometer is used to give ___
a)
lock the movement
b)
protect the spindle
c)
uniform measuring pressure
d)
protect the thimble
71.
A ‘V’ anvil micrometer is used to check ___.
a)
Thread diameter
b)
error on roundness
c)
Error on parallelism
d)
Thickness of work
72.
On a micrometer lack of motion of the spindle when the direction of rotation is changed is called-----
a)
Friction
b)
error on roundness
c)
Backlash
d)
fine movement
73.
The part of a micrometer marked with millimeter scale is _____.
a)
Barrel
b)
Anvil
c)
Thimble
d)
Ratchet
74.
The thimble scale is above the zero line it is known that ____ and value to ____.
a)
Negative error and added
b)
Positive error and subtract
c)
Negative and subtract
d)
None of the above
75.
The thimble scale is below the zero line it is known that ____ and value to ____.
a)
Negative and subtract
b)
Positive error and subtract
c)
Negative error and added
d)
None of the above
76.
fine adjustment clamp is provided on a vernier height gauge to _____.
a)
give smooth movement
b)
Protect the scriber
c)
reduce friction
d)
Give a fine adjustment
77.
Range of an external micrometer
a)
20mm
b)
50mm
c)
25mm
d)
30mm
78.
Which of the following is part of industrial metrology?
a)
X-ray equipment
b)
Water purity
c)
CMM
d)
Calibrating voltmeters
79.
Which of the following is not a part of Astronomical metrology?
a)
Calculating the speed of light
b)
Determining the precise position of moon
c)
Weight of a body
d)
Temperature of sun
80.
Which of the following is not a part of medical metrology?
a)
Blood Pressure Measuring instrument
b)
MRI
c)
Spectrophotometers
d)
Air quality measurer
81.
The device which measures consumption level of water is -------
a)
Meters
b)
Sensors
c)
Water level indicators
d)
all the above
82.
The gauge used to check clearance between two surfaces
a)
Plate gauge
b)
Gap gauge
c)
Position gauge
d)
Feeler gauge
83.
A ring gauge is used to ----
a)
Check the outside of a shaft
b)
check the diameter of a hole
c)
Check the inside diameter of a slot
d)
Measure the diameter of hole
84.
The gauges are used for checking the shaft's diameter
a)
Threaded plug gauge
b)
Thread ring gauge
c)
Plain ring gauge
d)
All of these
85.
Taper gauges or taper feeler gauges wprk using the same basic principles as a typical
a)
Plate gauge
b)
Feeler gauge
c)
Gap gauge
d)
Non of the above
86.
A plug gauge is used to ----
a)
Check the outside diameter of a work
b)
check the diameter of a hole
c)
Measure the outside diameter of a work
d)
Measure the diameter of a hole
87.
Go' gauge tolerance zone for a plug gauge is placed
a)
Above the upper limit of hole
b)
Below the lower limit of hole
c)
Above the lower limit of hole
d)
Above the lower limit of shaft
88.
Very precise equipment like slip gauges are allowed to be handled only by using a piece of chamois leather or tongs made from a strip of ________
a)
polymer
b)
Perspex
c)
gold
d)
cloth
89.
Which of the following instrument is used for measuring wall thickness of pipes?
a)
dial depth gauge
b)
bore gauge
c)
dial pipe gauge
d)
pocket thickness gauge
90.
Smallest thickess which can be measured by slip gauge is
a)
1.001mm
b)
0.001mm
c)
0.01mm
d)
0.1mm
91.
During inspection radius gauge is used to check ......
a)
Internal and external radius
b)
Only internal radius
c)
Only external radius
d)
Any irregular shape
92.
To check the perfect threading in hole following gauge is used
a)
Screw pitch gauge
b)
Radius gauge
c)
Centre gauge
d)
Screw plug gauge
93.
If the gauge is an exact copy of mating part if the component to be checked it is called
a)
Limit gauge
b)
Standard gauge
c)
Gap gauge
d)
Feeler gauge
94.
In a limit plug gauge 'Go' member is made
a)
Equal in length to 'NO GO' member
b)
Longer than 'NO GO' member
c)
Shorter than the 'NO GO' member
d)
With a chamfer
95.
Slip gauge are also known as
a)
Accuracy gauge
b)
Quality gauge
c)
Mnone of the above
d)
Precision gauge
96.
In which gauge Go and NoGo gauges come in the same end?
a)
Double ended plug gauge
b)
Snap gauge
c)
Progressive gauge
d)
Depth gauge
97.
Which of the following is not a common basic form of slip gauge?
a)
Rectangular
b)
Square with centre hole
c)
Square without centre hole
d)
Parallelogram
98.
Material invar is -----
a)
a chromium alloy steel
b)
a tuingsten alloy steel
c)
a Manganese alloy steel
d)
a nickel alloy steel
99.
One degree is derived into ----
a)
60mins
b)
36 sec
c)
360sec
d)
3600sec
100.
Unit of angle derived from the pretical consideration
a)
Degree
b)
ɸ
c)
sterdian
d)
radian
101.
The principle of line bar segment ɸ is
a)
cosp/b
b)
tan(l*h)
c)
sin(h/l)
d)
cosec(p/h)
102.
Bevel protactor is based on principle of ----
a)
Angular distorion
b)
bevek mechanism
c)
vernier caliper
d)
screw mechanism
103.
Protactors charecterstics is mostly similar with
a)
Angle gauge
b)
bevel protactor
c)
both a and b
d)
none fo the above
104.
Sine centre is recommended for inspect---
a)
midpoint
b)
taper work
c)
conical work
d)
angular work
105.
Accurate inspection got deviation of small angles is noticed with ----
a)
Slip gauge
b)
autocollimators
c)
cmm
d)
bevel proactors
106.
Which comparators works on the principle that depends an AC wheatsone bridge circult---
a)
electrical comparators
b)
pneumatics comparators
c)
mechanical comparator
d)
Sigma comparatpr
107.
Which type of comparator uses the friction less reed mechanism for magnifying small motion of spindle---
a)
reed type
b)
pneumatics comparators
c)
Johansson mikrokator
d)
Electrical comparators
108.
V block is used for measuring
a)
round work pieces
b)
square work pieces
c)
flat work pieces
d)
non of the above
109.
Angle of top of a polefrom earth surface is measured with -----
a)
autocollimators
b)
clinometer
c)
spirt level
d)
angle comparator
110.
Face standard angular measuring device is ----
a)
sine bar
b)
sine plate
c)
sine table
d)
sine centre
111.
In which principle does mechanical optical comparator works----
a)
AC wheat stone beidge
b)
fundamental optical law
c)
reed type comparator
d)
none of the above
112.
From which category 'sigma comparator ' belongs------
a)
Electrical comparators
b)
Pneumatics comparators
c)
mechanical comparator
d)
None of the above
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