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Worksheetsquizz
Total questions: 132
Worksheet time: 1hrs 6mins
Name
Class
Date
1.
Metrology is a science of
a)
measurement
b)
machines
c)
motors
d)
management
2.
Metrology is classified in to ___________
a)
3
b)
4
c)
2
d)
5
3.
Accuracy of measuring instrument is
a)
The clossness with which a measurement can be read directly from a measuring instrument
b)
A measur of how close the reading is to the true value
c)
The difference between measured value and actual value the smallest change in measurand that can be measured.
d)
The capability to indicate the same reading again and again for a given measured
4.
Fig. 1 shows the dimensions obtained on a component by certain instrument. This instrument is
a)
precise but not accurate
b)
accurate but not precise
c)
both accurate and precise
d)
neither precsie nor accurate
5.
_______________ is defined as the repeatability of a measuring process
a)
Accuracy
b)
Precision
c)
Range
d)
Reaptability
6.
________________ represents the highest possible value that can be measured by an instrument
a)
Measurement
b)
Range
c)
Accuracy
d)
Precision
7.
The ease with which observation can be made accurately is reffered to as ______________
a)
Readability
b)
Sensitivity
c)
Accuracy
d)
Precision
8.
__________________ is defined as the closeness of agreement among the number of consecutive measurement of the output for the same value of input under the same operating conditions
a)
Accuracy
b)
Precision
c)
Range
d)
Reaptability
9.
Prefix used for the multiplication factor 10 -9 is
a)
Mega
b)
Micro
c)
Nano
d)
Giga
10.
The prefix ‘mega’ is used to denote
a)
10 6
b)
10 3
c)
10 9
d)
10 12
11.
____________________ non-graduated tools used for measuring the distance between two points of contact on the work piece.
a)
Calipers
b)
Steel rule
c)
Steel tape
d)
Micrometer
12.
______________ is a two-legged instrument with its leg bent inwards.
a)
Inside caliper
b)
Outside caliper
c)
Hermaphrodite caliper
d)
Transfer caliper
13.
______________ is also a two-legged tool with its legs bent outwards
a)
Inside caliper
b)
Outside caliper
c)
Hermaphrodite caliper
d)
Transfer caliper
14.
___________________ caliper equipped with an adjustable or removable leg to permit use of the caliper in narrow or confined spaces.
a)
Inside caliper
b)
Outside caliper
c)
Hermaphrodite caliper
d)
Transfer caliper
15.
_______ is used for measuring recessed work
a)
Outside calliper
b)
inside calliper
c)
transfer calliper
d)
jenny calliper
16.
___________________ is also known as odd leg caliper consisting of one divider and one caliper leg.
a)
Inside caliper
b)
Outside caliper
c)
Hermaphrodite caliper
d)
Transfer caliper
17.
Which of the following can be used to scribe lines parallel to the edge of the part.
a)
Inside caliper
b)
Outside caliper
c)
Hermaphrodite caliper
d)
Transfer caliper
18.
The vernier reading should not be taken at its face value before an actual check has been taken for
a)
Zero error
b)
Its calibration
c)
Flatness of measuring jaw
d)
temperature equalization
19.
The least count of vernier calliper is _______ mm
a)
0.001
b)
0.01
c)
0.02
d)
0.002
20.
The least count of a metric vernier caliper having 25 divisions on vernier scale, matching with 24 divisions on main scale ( 1 main scale division = 0.5 mm ) is
a)
0.05mm
b)
0.01mm
c)
0.02mm
d)
0.001
21.
Smallest measurement that can be measured by an instrument is its ________
a)
Precision
b)
accuracy
c)
least count
d)
repeatability
22.
Find the reading of Vernier calliper shown in Fig. 2
a)
19.13mm
b)
19.16mm
c)
17.13mm
d)
17.16mm
23.
Find the reading of Vernier calliper shown in Fig. 3
a)
10.73mm
b)
10.76mm
c)
12.76mm
d)
12.73mm
24.
Identify the instrument given bellow Fig. 4
a)
Vernier depth gauge
b)
Depth micrometer
c)
Vernier caliper
d)
Micrometer
25.
_____________ is an instrument used for scribing lines accurately in relation to a given surface.
a)
Vernier depth gauge
b)
Vernier height gauge
c)
Vernier caliper
d)
Micrometer
26.
______________ is one of the most useful close-tolerance measuring devices.
a)
Inside caliper
b)
Outside caliper
c)
Vernier caliper
d)
Micrometer
27.
Least count of micrometer is ________ mm
a)
0.001
b)
0.01
c)
0.02
d)
0.002
28.
Millimeter scale in micrometer is marked on
a)
Sleeve
b)
Thimble
c)
Spindle
d)
Anvil
29.
The purpose of ratchet screw in micrometer screw in micrometer is _____________
a)
to lock a dimension
b)
to impact blow motion
c)
to maintain sufficient and uniform pressure
d)
to take care of wear of screw thread
30.
The purpose of adjusting nut in amicrometer is to ______________
a)
take care of zero error
b)
impact slow motion
c)
compensate of wear between screw and nut
d)
take care of blacklash
31.
Cricular scale of the micrometer is marked on ________
a)
Sleeve
b)
Thimble
c)
Spindle
d)
Anvil
32.
Find the reading of Micrometer shown in Fig. 5
a)
10.40mm
b)
12.40mm
c)
10.80mm
d)
12.80mm
33.
Find the reading of Micrometer shown in Fig. 6
a)
16.75mm
b)
16.25mm
c)
15.75mm
d)
15.25mm
34.
The Micrometer shown in Fig. 7 is called
a)
Outside micrometer
b)
Inside micrometer
c)
Depth micrometer
d)
Micron micrometer
35.
The Micrometer shown in Fig. 8 is called
a)
Outside micrometer
b)
Inside micrometer
c)
Depth micrometer
d)
Micron micrometer
36.
The least count of Micron micrometer
a)
0.001
b)
0.01
c)
0.02
d)
0.002
37.
The Screw thread micrometer is used to measure
a)
the major diameter of the thread
b)
the minor diameter of the thread
c)
the effective diameter of the screw thread
d)
the pitch diameter of the screw thread
38.
_________________ micrometer is used for measuring circularity of cylindrical works.
a)
V anvil
b)
Screw thread
c)
inside micrometer
d)
Outside micrometer
39.
The error shown in the Fig. 9 below is _______
a)
Zero error
b)
Positive error
c)
Negative error
d)
none of the above
40.
Plunger Dial Gauge measurement limit is 10 mm with the least count of
a)
0.001mm
b)
0.01mm
c)
0.02mm
d)
0.002mm
41.
What is the range of dial indicators?
a)
1 mm
b)
5 mm
c)
7 mm
d)
10 mm
42.
___________________ gauge made for carrying convenience, makes precise measurement to 0.01 mm of the thickness of paper, leather, wire, plastic, sheet metal, etc.
a)
Dial Caliper
b)
Pocket Thickness
c)
Dial depth
d)
Dial Pipe
43.
What is the purpose of lever attachment used in dial indicators?
a)
Checking of parts
b)
Transfer motion at the right angle to the spindle
c)
Transfer motion at the 180 degree to the spindle
d)
Transfer motion at the 60 degree to the spindle
44.
Gauge is an ___________ tool
a)
measuring
b)
manufacturing
c)
inspection
d)
hand
45.
Limitation of gauge.
a)
Exact value of product dimension can't be known.
b)
Accuracy of gauges is getting affected due to wear and time with passage of time.
c)
It is useful only for similar product because it’s difficult to manufacture and maintain large size gauges.
d)
all the above.
46.
Find out the Gauge shown in the Fig. 10
a)
BORE GAUGE
b)
TELESCOPIC GAUGE
c)
HEMISPHERICAL BORE GAUGE
d)
PLUG GAUGES
47.
____________ gauge consist of a dial indicator fixed at the end of a tube.
a)
BORE GAUGE
b)
TELESCOPIC GAUGE
c)
HEMISPHERICAL BORE GAUGE
d)
PLUG GAUGES
48.
For the measurement of bores that are too small ___________ gauge is considered to be very useful. It
a)
BORE GAUGE
b)
TELESCOPIC GAUGE
c)
HEMISPHERICAL BORE GAUGE
d)
PLUG GAUGES
49.
_____________ gauge is used for checking the size of holes
a)
plug gauge
b)
ring gauge
c)
feeler gauge
d)
radius gauge
50.
In plug gauge, usually the go end is made ___________ the no go end.
a)
smaller than
b)
equal
c)
unequal
d)
larger than
51.
“Go” side of the plug gauge will have the diameter equal to __________
a)
actual size of the hole
b)
basic size of the hole
c)
minimum size of the hole
d)
maximum size of the hole
52.
A standard plug gauge has its diameter finished to the __________ size.
a)
nominal size
b)
basic size
c)
limit size
d)
none of the above
53.
Taper plug gauge is used for checking
a)
taper holes
b)
external diameter of cylindrical parts
c)
internal diameter of cylindrical parts
d)
diameter of straight holes
54.
_____________ gauge is used to check shaft dimensions.
a)
plug gauge
b)
ring gauge
c)
feeler gauge
d)
radius gauge
55.
In an adjustable snap gauge, two adjustable jaws are provided on
a)
both sides
b)
one side
c)
one in each side
d)
none of the above
56.
Thread ring gauge is used for checking
a)
external threads
b)
internal threads
c)
external diameter of cylindrical job
d)
internal diameter of jobs
57.
metric threads with an angle of __________
a)
55⁰
b)
60⁰
c)
60⁰
d)
60⁰
58.
Find out the Gauge shown in the Fig. 11
a)
radius gauge
b)
feeler gauge
c)
profile gauge
d)
wire gauge
59.
____________ gauge is to check clearance between two surfaces.
a)
radius gauge
b)
feeler gauge
c)
profile gauge
d)
wire gauge
60.
Find out the Gauge shown in the Fig. 12
a)
radius gauge
b)
feeler gauge
c)
profile gauge
d)
wire gauge
61.
______________ are also known as precision gauge blocks
a)
ring gauge
b)
plug gages
c)
slip gauges
d)
feeler gauge
62.
slip gauges having a cross section of about ________ length and ______ width.
a)
10x30 mm
b)
30x10 mm
c)
40x10 mm
d)
10x40 mm
63.
The two slip gauges in precision measurement are joined by __________
a)
assembling
b)
sliding
c)
adhesion
d)
wringing
64.
Measuring faces of the gauges are ____________
a)
ground
b)
lapped
c)
ground and lapped
d)
none of the above
65.
As per Indian standard specification IS 2984 (2003): Slip Gauges are classified in to __ grades
a)
2
b)
3
c)
4
d)
1
66.
slip gauge used in workshops during the actual production of components, tools and gauges.
a)
Grade 2
b)
Grade 1
c)
Grade 0
d)
Calibration grade
67.
slip gauge used for more precise work, such as that carried out in a good-class tool room.
a)
Grade 2
b)
Grade 1
c)
Grade 0
d)
Calibration grade
68.
___________ slip gauge is more commonly known as the Inspection grade
a)
Grade 2
b)
Grade 1
c)
Grade 0
d)
Calibration grade
69.
The Factors which affect the desirable wringing effect
a)
Flatness of the block
b)
Surface finish
c)
Freedom of foreign elements
d)
all the above
70.
M112 slip gauge set consists of _________ pieces.
a)
50
b)
87
c)
105
d)
112
71.
During the combination operation the gauges are in contact with the body temperature, their dimension actually___________.
a)
decrease
b)
increases
c)
remains same
d)
none of the above
72.
The best material for gauges should fulfill ___________ requirement.
a)
Hardness to resist wear
b)
Corrosion resistance
c)
Stability to preserve size and form
d)
all the above
73.
______________________ slip gauge material is relatively inexpensive and commonly used material
a)
Glass
b)
High carbon steel
c)
Invar
d)
Plated gauges
74.
In practice, gauges is machined, and finally ground and lapped to the finished size
a)
Glass
b)
High carbon steel
c)
Invar
d)
Plated gauges
75.
______________ slip gauge material not gained much popularity because of its brittleness property.
a)
Glass
b)
High carbon steel
c)
Invar
d)
Plated gauges
76.
___________ slip gauge material contain 36% Nickel and has low coefficient of expansion and is unsuitable for a long period.
a)
Glass
b)
High carbon steel
c)
Invar
d)
Plated gauges
77.
Unit of angle derived from theoretical considerations is the _________ .
a)
radian
b)
degree
c)
omega
d)
delta
78.
Circle is divided into _____ parts
a)
90
b)
180
c)
270
d)
360
79.
_________________ line Standard Angular Measuring Device.
a)
Autocollimators
b)
Sine bar
c)
Spirit Level
d)
Protractors
80.
Any measure less than ____________ is an acute angle.
a)
180˚
b)
90˚
c)
270˚
d)
360˚
81.
Bevel protractor is used for ________________
a)
angular measurement
b)
linear measurement
c)
height measurement
d)
flatness measurement
82.
Least count of vernier bevel protractor is __________
a)
1 minute
b)
2 minutes
c)
5 minutes
d)
10 minutes
83.
A ____________ is a precision measuring instrument for checking
and setting of angles
a)
slip gauge
b)
sine bar
c)
micrometer
d)
vernier caliper
84.
Sine bars are used when a high degree of accuracy is needed for __________
a)
Measuring angles
b)
Marking out
c)
Setting up for machining
d)
all the above
85.
A sine bar is specified by _____________________
a)
its total length
b)
the centre distance between two rollers
c)
the size of rollers
d)
weight of sine bar
86.
Sine cemtre is used for measurement for measurement of
a)
included internal angle between faces
b)
height of projected face
c)
semi- angle of taper of a job
d)
flatness
87.
______________ is used to level the machine tools accurately
a)
sine bar
b)
sine centre
c)
slip gauge
d)
sprit level
88.
___________ is an optical instrument used for the measurement of small angular differences, changes or deflection, plane surface inspection etc
a)
Autocollimators
b)
Sine bar
c)
Spirit Level
d)
Protractors
89.
Auto-colimeter is used for measurement of _________________________
a)
smaller angular difference
b)
flatness
c)
linear surface
d)
concavity
90.
A comparator for its working depends on ___________________
a)
accurately caliberated scale
b)
comparission with standard such as slip gauge
c)
accurate micrometer gauge
d)
optical device
91.
A reed type comparator__________________
a)
Pneumatic Comparators
b)
Electrical comparators
c)
Mechanical optical Comparators
d)
Mechanical comparators
92.
Sensitivity of reed type comparator is in the order of _______ micron per scale division.
a)
0.25
b)
0.5
c)
0.1
d)
0.75
93.
Which one of the following instrument is the most accurate
a)
steel rule
b)
micrometer
c)
Vernier caliper
d)
profile projector
94.
The lens used in profile projector ________________________
a)
Prime Lense
b)
Telephoto Lense
c)
collimating lense
d)
Zoom Lense
95.
Type source used in profile projector
a)
light source
b)
sound source
c)
x-ray source
d)
none of the above
96.
The light source may be _______________________
a)
Tungsten lamp
b)
Filament lamp
c)
High pressure mercury Xenon arc lamp
d)
all the above
97.
______________________ Exact duplicate of the stylus tracer in size and shape
a)
Probe type
b)
Dot type
c)
Reticle gauge type
d)
none of the above
98.
CMM stands for ___________________________________ in metrology department.
a)
Coordinate Measuring Machine
b)
Computerized Maintenance Management
c)
Capability Maturity Model
d)
Color Management Module
99.
_______________________ type of CMM can inspect parts with through holes.
a)
Cantilever type
b)
Bridge type
c)
Horizontal boring m/c type.
d)
Vertical boring m/c type.
100.
Interchangeability is normally applied for
a)
Repairing of parts
b)
Mass production
c)
Single piece production
d)
All the above
101.
___________________ is the size of job, in relation to which all limits of variations are determined.
a)
Nominal Size
b)
Basic Size
c)
Actual Size
d)
none of the above
102.
___________ is the size of the component by measurement after it is manufactured
a)
Nominal Size
b)
Basic Size
c)
Actual Size
d)
none of the above
103.
______________ is a size “in a name only” which is used for identification.
a)
Nominal Size
b)
Basic Size
c)
Actual Size
d)
none of the above
104.
Tolerance is given to the part size to
a)
Increase the production
b)
Decrease the production
c)
Finish the components approximately
d)
Produce the parts within the required permissible size error
105.
In the dimension 45H7, ‘45’ indicates
a)
basic size
b)
nominal size
c)
actual size
d)
measured size
106.
In the dimension 45H7, ‘H’ indicates
a)
Fundamental deviation of hole
b)
Tolerance grade of hole
c)
Fundamental deviation of shaft
d)
Tolerance grade of shaft
107.
In the dimension 45H7, ‘7’ indicates
a)
Fundamental deviation of hole
b)
Tolerance grade of hole
c)
Fundamental deviation of shaft
d)
Tolerance grade of shaft
108.
In the dimension 45g6, ‘g’ indicates
a)
Fundamental deviation of hole
b)
Tolerance grade of hole
c)
Fundamental deviation of shaft
d)
Tolerance grade of shaft
109.
In the dimension 45g6, ‘6’ indicates
a)
Fundamental deviation of hole
b)
Tolerance grade of hole
c)
Fundamental deviation of shaft
d)
Tolerance grade of shaft
110.
The symbol ’ES’ used in BIS system denotes
a)
upper deviation of hole
b)
lower deviation of hole
c)
upper deviation of shaft
d)
lower deviation of shaft
111.
The symbol ’EI’ used in BIS system denotes
a)
upper deviation of hole
b)
lower deviation of hole
c)
upper deviation of shaft
d)
lower deviation of shaft
112.
The symbol ’es’ used in BIS system denotes
a)
upper deviation of hole
b)
lower deviation of hole
c)
upper deviation of shaft
d)
lower deviation of shaft
113.
The symbol ’ei’ used in BIS system denotes
a)
upper deviation of hole
b)
lower deviation of hole
c)
upper deviation of shaft
d)
lower deviation of shaft
114.
When tolerance is given on one side of the basic dimension, it is called
a)
Tolerance system
b)
Allowance system
c)
Unilateral tolerance
d)
Bilateral tolerance
115.
In a hole basis system ____________ is kept as constant member.
a)
shaft
b)
hole
c)
both
d)
nothing
116.
In a shaft basis system ____________ is kept as constant member.
a)
shaft
b)
hole
c)
both
d)
nothing
117.
The difference between the maximum and minimum sizes allowed in manufactured components is called
a)
Clearance
b)
Allowance
c)
Tolerance
d)
Limit
118.
The relationship existing between two parts, shaft and hole, which are to be assembled with respect to their difference in the sizes before assembly is called _________________
a)
Fit
b)
Allowance
c)
Tolerance
d)
Limit
119.
____________________ is a loose running fit (H7/ D6 )
a)
Clearance Fit
b)
Transition fit
c)
Interference fit
d)
none of the above
120.
____________________ is a location fits (H7/ K6)
a)
Clearance Fit
b)
Transition fit
c)
Interference fit
d)
none of the above
121.
_____________________ is a standard press fit ( H7/p6)
a)
Clearance Fit
b)
Transition fit
c)
Interference fit
d)
none of the above
122.
How many tolerance grades are used in manufacturing __________
a)
18
b)
15
c)
10
d)
20
123.
GD&T is an international language used to describe a part accurately. It comprises of ______________________
a)
symbols
b)
rules
c)
definitions
d)
all the above
124.
Feature of frame consist of ___________________
a)
symbols
b)
modifiers
c)
tolerances
d)
all the above
125.
Straightness is a _______________ control
a)
Form
b)
Location
c)
Orientation
d)
Runout
126.
Tolerance zone shape for circularity is
a)
Two concentric circles
b)
Two coaxial cylinders
c)
Two straight lines
d)
Two parallel planes
127.
Parallelism is a ________________ control
a)
Form
b)
Location
c)
Orientation
d)
Runout
128.
________________ is a cylindrical/Spherical surface or set of two opposed elements associated with size dimensions
a)
Feature of size
b)
Feature
c)
Datum
d)
Datum shift
129.
________________ is a general term applied to a physical portion of part such as surface, hole or slot
a)
Feature of size
b)
Feature
c)
Datum
d)
Datum shift
130.
Difference between the MMC of two mating parts _________________
a)
Fit
b)
Allowance
c)
Tolerance
d)
Limit
131.
__________________ is a co-ordinate system used to locate places.
a)
Feature of size
b)
Feature
c)
Datum
d)
Datum shift
132.
___________________ is the allowable movement between the part feature and the gage.
a)
Feature of size
b)
Feature
c)
Datum
d)
Datum shift
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