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Worksheetsm1 qu
Total questions: 113
Worksheet time: 59mins
Name
Class
Date
1.
Metrology is the branch of science, which deals with _______.
a)
Science
b)
Metrology
c)
Measurements
d)
all of these
2.
Checking of all materials, products or component parts at various stages during manufacturing is called _______.
a)
Measurements
b)
Precision
c)
Accuracy
d)
Inspection
3.
physical quantity or property to which quantitative comparisons are made is called_______
a)
Measured
b)
Reference
c)
comparator
d)
Standard
4.
Agreement of the result of measurement with the true value of the measured quantity is_______
a)
Quality
b)
Sensitivity
c)
accuracy
d)
precision
5.
The sequence of operations necessary for the execution of measurement is called _______
a)
Process Measurements
b)
Principles of Measurement
c)
inspection
d)
Quality
6.
The value of quantity to be measured is obtained by measuring other quantities which are functionally related to the required value is_______
a)
Direct method
b)
Indirect method
c)
fundamental method
d)
Comparative method
7.
Repeatability of a measuring process is _______.
a)
Inspection
b)
Precision
c)
accuracy
d)
none of the above
8.
Degree of conformity is called _______
a)
Accuracy
b)
Measurements
c)
Precision
d)
Quality
9.
The degree of reliability is called _______
a)
Accuracy
b)
Inspection
c)
Precision
d)
Measurements
10.
The basic objective of Metrology is to provide the required _______ at a minimum cost.
a)
Precision
b)
Quality
c)
accuracy
d)
all of these
11.
The highest possible value that can be measured by an instrument is called_______
a)
Range
b)
True Value
c)
Precision
d)
Accuracy
12.
The ratio of a change in scale reading to the corresponding change in pointer deflection is called_______
a)
True value
b)
Actual value
c)
Rannge
d)
Scale sensitivity:
13.
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)
Repeatability
c)
Precision
d)
all of these
14.
Quantity or property to which quantitative comparisons are made is called _______ .
a)
Accuracy
b)
Reference
c)
Precision
d)
Measurements
15.
Transducers is which kind of measuring device
a)
Mechaical
b)
Magnetic
c)
Heat
d)
Electric
16.
Non-Precision instruments are _______
a)
Verier calipers
b)
Micrometers
c)
Divider
d)
all of these
17.
V block is used for measuring
a)
round work pieces
b)
square work pieces
c)
flat work pieces
d)
none of the above
18.
On a vernier scale of 0.02 least count, there will be
a)
50 divisions
b)
20 divisions
c)
40 divisions
d)
10 divisions
19.
The smallest measurement that can be measured with an instrument is known as___________
a)
Accuracy
b)
Sensitivity
c)
Least count
d)
Precision
20.
A screw thread micrometer is used to check ___________
a)
Major diameter
b)
Minor diameter
c)
Pitch diameter
d)
Depth
21.
A depth micrometer is provided with ___________
a)
Interchangeable anvils
b)
a dial indicator
c)
a frame
d)
Interchangeable spindles
22.
On a a micrometer, lack of motion of the spindle when the direction of rotation is changed is called___________
a)
Friction
b)
Error
c)
Backlash
d)
Fine movement
23.
On a vernier micrometer, vernier scale is constructed by dividing___________
a)
19 thimble div. into 20 parts
b)
49 thimble div. into 50 parts
c)
4 thimble div. into 5 parts
d)
9 thimble div. into 10 parts
24.
If the zero error of a micrometer is negative, it should be ___________
a)
Neglected
b)
Added to the reading
c)
Subtracted to the reading
d)
Added or subtracted to the reading
25.
The part of a micrometer marked with millimeter scale is___________
a)
Anvil
b)
Barrel
c)
Thimble
d)
Ratchat
26.
A ‘V’ anvil micrometers is used to check___________
a)
Thread diameter
b)
Error on roundness
c)
Error on parallelism
d)
Thickness of work
27.
On a vernier scale of 0.1 least count,there will be ___________
a)
50 divisions
b)
20 divisions
c)
40 divisions
d)
10 divisions
28.
Range of an external micrometer is___________
a)
20mm
b)
50mm
c)
25mm
d)
30mm
29.
A vernier micrometer has a least count of ___________
a)
0.01mm
b)
0.001mm
c)
0.002mm
d)
0.02mm
30.
Ratchet stop of a micrometer is used to ___________
a)
Give uniform measuring pressure
b)
Protect the thimble
c)
Protect the spindle
d)
Get fine movement
31.
A 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
32.
Before handling the instruments standard metrology laboratories recommend washing of hands thoroughly and coating them with a thin film of pure___________jelly
a)
petrolium
b)
carosin
c)
soap
d)
oil
33.
A reference gauge is used to check___________
a)
Size of shafts
b)
Error of gauges
c)
Size of holes
d)
90 degree angle
34.
If the gauge is an exact copy of mating part of the component to be checked it is called___________
a)
Limit gauge
b)
Standard gauge
c)
Gap gauge
d)
Feeler gauge
35.
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
36.
‘Go’ gauge tolerance zone for a plug gauge is placed___________
a)
Above the upper limit of hole
b)
Below the upper limit of hole
c)
Above the lower limit of hole
d)
Above the lower limit of shaft
37.
The gauge used to check clearance between two surfaces is ___________
a)
Plate gauge
b)
Gap gauge
c)
Position gauge
d)
Feeler gauge
38.
snap gauge is used to check___________
a)
Size of shaft
b)
Size of thread
c)
Size of hole
d)
Size of taper
39.
A ring gauge is used to ___________
a)
Check the outside diameter of a shaft
b)
Check the diameter of a hole
c)
Check the inside diameter of a slot
d)
Measure the diameter of a hole
40.
The gauges are used for checking the shaft’s diameter ___________
a)
Threaded plug gauge
b)
Thread ring gauge
c)
Thread pitch
d)
all of these
41.
Taper gauges or taper feeler gauges work using the same basic principles as a typical___________
a)
Plate gauge
b)
Feeler gauge
c)
Gap gauge
d)
none of the above
42.
The gauge used to check clearance between two surfaces is ___________
a)
Plate gauge
b)
Gap gauge
c)
Position gauge
d)
Feeler gauge
43.
Slip gauges are also known as_________
a)
precision gauge
b)
accuracy gauge
c)
quality gauge
d)
none of the above
44.
In a limit plug gauge ‘GO’ member is made ___________
a)
Equal in length to ‘NO GO’ member
b)
Longer than the ‘NO GO’ member
c)
Shorter than the ‘NO GO’ member
d)
With a chamfer
45.
Wear allowance is provided on___________
a)
Both Go and No Go gauges
b)
Go gauges
c)
Neither Go nor No-go gauges
d)
No Go gauges
46.
Material ‘Invar’ is ___________
a)
a chromium alloy steel
b)
a tungsten alloy steel
c)
a manganese alloy steel
d)
a nickel alloy steel
47.
One degree is derived into___________
a)
60 mins
b)
36 sec
c)
360 sec
d)
3600 sec
48.
Unit of angle derived from theoretical consideration___________
a)
Degree
b)
ɸ
c)
sterdian
d)
radian
49.
protactors charecterstics is mostly similar with___________
a)
angle gauge
b)
bevel protactor
c)
both a and b
d)
none of the above
50.
Bevel protactor is based on priciple of___________
a)
angular distorion
b)
bevel mechanism
c)
vernier calliper
d)
screw mechanism
51.
Bevel can measure atleast___________
a)
0.01 deg
b)
0.05 deg
c)
12/1*360 deg
d)
1/12 deg
52.
In priciple of line bar segment ɸ is___________
a)
cos p/b
b)
tan (l*h)
c)
sin (h/l)
d)
cosec (p/h)
53.
Face standard angular measuring device is___________
a)
sine bar
b)
sine plate
c)
sine table
d)
sine centre
54.
Sine centre is recommended for inspect ___________
a)
midpoint
b)
taper work
c)
conical work
d)
angular work
55.
Angle of top of a polefrom earth surface is measured with___________
a)
autocollimators
b)
clinometer
c)
sprit level
d)
angle comparator
56.
Accurate inspection for deviation of small angles is noticed with ___________
a)
slip gauge
b)
autocollimators
c)
cmm
d)
bevel protactors
57.
What are one form of linear measurement device which is quick and convienient ___________
a)
bevel protactor
b)
comparators
c)
Feeler gauge
d)
none of the above
58.
What is the principle of the "the johnson mikrokator"___________
a)
button spinning on the loop of string
b)
button spinning above the loop of string
c)
button spinning below the loop of string
d)
none of the above
59.
From which category "sigma comparator" belongs___________
a)
Electrical comparators
b)
Pneumatic Comparators
c)
mechanical comparator
d)
none of the above
60.
Which type of comparator uses the friction less reed mechanism for magnifying small motion of spindle___________
a)
reed type
b)
Pneumatic Comparators
c)
Johansson Mikrokator
d)
Electrical comparators
61.
What is the range of mechanical amplification in reed type comparator___________
a)
from 500 to 1000
b)
from 300 to 500
c)
from 500 to 800
d)
none of the above
62.
What is the advantage of mechanical comparator over other ___________
a)
no need of external supply
b)
Cheaper and portable
c)
Robust construction and compact design
d)
all of these
63.
In which principle does mechanical optical comparator works___________
a)
AC Wheat stone Bridge
b)
fundamental optical law
c)
reed type comparator
d)
none of the above
64.
Which comparators has high range and no parallax___________
a)
mechanical optical comparator
b)
pneumatics comparators
c)
Johansson Mikrokator
d)
Sigma Comparator
65.
Which comparator works on the principle that depends upon an AC wheatstone bridge circuit ___________
a)
electrical comaprators
b)
pneumatics comparators
c)
mechanical comparator
d)
Sigma Comparator
66.
Which comparator is used for very high magnification ___________
a)
electrical comaprators
b)
pneumatics comparators
c)
mechanical comparator
d)
Sigma Comparator
67.
Characteristics of comparators___________
a)
Robust design and construction
b)
High magnification
c)
Quick in results
d)
all of these
68.
Comparators are used as___________
a)
Laboratory Standards
b)
Working Gauges
c)
Final Inspection Gauges
d)
all of these
69.
what is an optical instrument ___________
a)
profile projector
b)
CMM
c)
probe
d)
none of the above
70.
The projector magnifies the profile of ____________
a)
The specimen
b)
irregular shapes
c)
probe
d)
none of the above
71.
what is the least count of profile projector___________
a)
0.001 mm
b)
0.01 mm
c)
0.02 mm
d)
0.05 mm
72.
Profile projector is used for___________
a)
Coordinate Measuring Machine
b)
measuring
c)
working
d)
none of the above
73.
CMM stands for ___________
a)
Coordinate Measuring Machine
b)
Complex measuring machine
c)
Computer measurement machine
d)
all of these
74.
What is sensing element in CMM___________
a)
profile projector
b)
irregular shapes
c)
probe
d)
none of the above
75.
CMM can precisely measure _______
a)
The specimen
b)
irregular shapes
c)
complex geometry
d)
all of these
76.
Instrument used for measuring the distance between two holes ____________
a)
CMM
b)
profile projector
c)
bevel protactor
d)
none of the above
77.
Accuracy of coordinate measuring instrument is _______
a)
1 micrometer
b)
10 micrometer
c)
5 micrometer
d)
none of the above
78.
formatting command is the operation of __________
a)
CMM
b)
profile projector
c)
Both A and B
d)
none of the above
79.
What are the advantages of Interchangeability___________
a)
Replacement
b)
Easy to Assembly
c)
Minimizing time and cost
d)
all of these
80.
Factors affecting absolute dimensional accuracy___________
a)
Skill of machinist
b)
Method of machining
c)
Condition of machine
d)
all of these
81.
Actual size is ___________
a)
Nominal size
b)
Size given in the drawing
c)
Measured size
d)
Size in relation to which deviations are given
82.
The parts of one type are classified into several groups according to size in___________
a)
Interchangeable system
b)
Shaft basis system
c)
selective assembly
d)
Hole basis system
83.
size in relation to which deviations are given is___________
a)
Actual size
b)
Nominal size
c)
Limit size
d)
Basic size
84.
Minimum permissible size of a dimension is___________
a)
Upper deviation
b)
Lower limit
c)
Upper limit
d)
Lower deviation
85.
In the dimension 25H7 ‘25’ indicates___________
a)
Basic size
b)
Nominal size
c)
Actual size
d)
Upper limit
86.
Measured size of a dimension is called ___________
a)
Limit of size
b)
Nominal size
c)
Actual size
d)
basic size
87.
In the dimension 28k7 ‘k’ indicates ___________
a)
Fit
b)
Allowance
c)
Fundamental deviation
d)
Grade of tolerance
88.
‘No Go’ limit corresponds to ___________
a)
Upper limit of shaft
b)
Maximum material condition
c)
Lower limit of hole
d)
Minimum material condition
89.
‘Go’ limits corresponds to ___________
a)
Upper limit of hole
b)
Maximum material condition
c)
Lower limit of shaft
d)
Minimum material condition
90.
Maximum permissible size of a dimension is___________
a)
Upper deviation
b)
Lower limit
c)
Upper limit
d)
Lower deviation
91.
Difference between upper limit and lower limit is called___________
a)
Limits
b)
Tolerance
c)
Allowance
d)
Deviation
92.
Algebraic difference between upper and lower deviation is___________
a)
Limits
b)
Tolerance
c)
Allowance
d)
Fundamental deviation
93.
If tolerance is given on both sides of the basic size, it is called ___________
a)
Unilateral tolerance
b)
Fundamental deviation
c)
Bilateral tolerance
d)
General tolerance
94.
In the dimension 45k7 ‘7’ indicates ___________
a)
Allowance
b)
Grade of tolerance
c)
Fundamental deviation
d)
Fit
95.
The difference between maximum material conditions of matting part is called___________
a)
Tolerance
b)
Allowance
c)
Fit
d)
none of the above
96.
In a hole basis system___________
a)
Hole is a constant member
b)
Both hole and shaft are constant members
c)
Shaft is a constant member
d)
Upper deviation of a hole is zero
97.
In a shaft basis system ___________
a)
Hole is a constant member
b)
Both hole and shaft are constant members
c)
Shaft is a constant member
d)
Lower deviation of a shaft is zero
98.
In Indian standard tolerance grade is designated by___________
a)
Numbers
b)
Letters
c)
Greek alphabets
d)
Symbols
99.
The symbol ‘ei’ in Indian standard denotes___________
a)
Upper limit
b)
Lower limit
c)
Upper deviation
d)
lower deviation
100.
The symbol ‘ES’ in Indian standard denotes ___________
a)
Upper limit
b)
Lower limit
c)
Upper deviation
d)
Lower deviation
101.
Lower deviation of a hole is denoted in Indian standard by the symbol___________
a)
ES
b)
EI
c)
es
d)
ei
102.
In Indian standard, fundamental deviation is designated by___________
a)
Numbers
b)
Letters
c)
Numbers and letters
d)
Symbols
103.
GD&T is an international language used to describe a part___________
a)
accurately
b)
Limits
c)
Tolerance
d)
none of the above
104.
GD&T comprises defining a geometry of mechanical part___________
a)
symbols
b)
rules
c)
definitions
d)
all of these
105.
A rectangular box which is divided into compartments___________
a)
symbols
b)
modifiers
c)
tolerances
d)
all of these
106.
Geometric characteristic are___________
a)
Flatess
b)
Straightess
c)
Symmetry
d)
all of these
107.
MMC stand for___________
a)
Maximum Material Condition
b)
Minimum Material Condition
c)
Maximum Material Coordinates
d)
none of the above
108.
Nominal dimension from which tolerances are derived___________
a)
Basic Dimension
b)
Tolerance
c)
Actual Dimennsion
d)
all of these
109.
Difference between MMC and LMC limits of a single dimension___________
a)
Basic Dimension
b)
Tolerance
c)
Actual Dimennsion
d)
all of these
110.
Difference between the MMC of two mating parts___________
a)
Basic Dimension
b)
Tolerance
c)
Allowance
d)
all of these
111.
FOS stand For___________
a)
Feature of Size
b)
Factor of safety
c)
Failure of Sample
d)
none of the above
112.
The specified value on a drawing___________
a)
Nominal Value
b)
Basic Value
c)
Actual value
d)
all of these
113.
A co-ordinate system used to locate places___________
a)
Allowance
b)
Tolerance
c)
Datum
d)
none of the above
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