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WorksheetsIII SEM - QUALITY MANAGEMENT
Total questions: 48
Worksheet time: 24mins
Name
Class
Date
1.
The major load used in rockwell C hardness test is
a)
100kg
b)
200kg
c)
150kg
d)
60kg
2.
The major load used in rockwell B hardness test is
a)
100kg
b)
200kg
c)
150kg
d)
60kg
3.
The indentor used in rockwell B hardness test is
a)
Diamond pyramid
b)
Diamond cone
c)
Hardened steel ball
d)
Diamond ball
4.
The indentor used in rockwell C hardness test is
a)
Diamond pyramid
b)
Diamond cone
c)
Hardened steel ball
d)
Diamond ball
5.
When two light waves are combined, in such a way that the crest of one coincides<br />with the trough of the other, they are out of phase by
a)
360 ͦ
b)
90 ͦ
c)
180 ͦ
d)
270 ͦ
6.
When two light waves are out of phases by 180 the result will be
a)
troughs coincide
b)
double magnitude
c)
darkness
d)
crests coincide
7.
A ray having single frequency and wavelength produces
a)
monochromatic light
b)
ordinary light
c)
bright band
d)
dark band
8.
If both the waves having same amplitude are in phase the resultant intensity will be
a)
twice
b)
zero
c)
one
d)
none
9.
If both the waves having same amplitude are out of phase the resultant intensity will<br />be
a)
twice
b)
zero
c)
one
d)
none
10.
If the path difference between the reflected rays is odd multiple of half wave length,<br />band will be observed
a)
bright
b)
dark
c)
nil
d)
colour
11.
If the path difference between the reflected rays is even multiple of half wave length,<br />will be observed
a)
bright
b)
dark
c)
nil
d)
colour
12.
The light source not used for checking with optical flat is
a)
neon
b)
cadmium
c)
sunlight
d)
mercury
13.
If the angle between the optical flat and work is too large then fringes
a)
will be closely spaced
b)
spacing will be more
c)
will be straight
d)
will be curved
14.
Optical flat of type A has
a)
single flat working surface
b)
both working surface flat
c)
has all surfaces flat
d)
none
15.
Optical flat of type B has
a)
single flat working surface
b)
both working surface flat
c)
has all surfaces flat
d)
none
16.
While checking flatness with optical flat each fringe constitutes
a)
two bright & one dark band
b)
one bright & one dark band
c)
two bright & two<br />dark band
d)
one bright & two dark<br />band
17.
A series of alternate bright and dark bands produced by optical flats are known as
a)
interference bands
b)
colour bands
c)
ordinary band
d)
monochromatic band
18.
If the angle between the optical flat and work is too less then fringes
a)
will be closely spaced
b)
spacing will be more
c)
will be straight
d)
will be curved
19.
The instrument used to check the length of a slip gauge is
a)
autocollimator
b)
interferometer
c)
dial indicaot
d)
optical flat
20.
Straightness of a lathe bed is checked by
a)
straight edge
b)
autocollimator
c)
surface plate
d)
dial indicator
21.
Surface can be considered to be composed of an infinitely large
a)
number of points
b)
number of lines
c)
number of high points
d)
number of circles
22.
Preloading is given to dial indicator
a)
for the easy movement
b)
to find positive & neagtive d
c)
to protect the indicato
d)
to measure accurately
23.
In a plunger type dial indicator the movement of the spindle is transferred through
a)
worm & worm wheel
b)
rack & pinion
c)
level attachment
d)
thread
24.
While using a plunger type dial indicator, plunger should be set
a)
90 ͦto the surface
b)
at 15 ͦto the surface
c)
parallel to the surface
d)
at asmall angle to the su
25.
Error on perpendicularity can be checked with
a)
clinometer
b)
profilometer
c)
spirit level
d)
autocollimator
26.
An autocollimator is used to check error on
a)
parallelism
b)
roundness
c)
perpendicualrity
d)
cylindricty
27.
Lobing is an error that occurs on
a)
cylindricity
b)
runout
c)
circularity
d)
total runout
28.
Roundness of a work is checked accurately by
a)
Talysurf
b)
dial indicator
c)
talyrond
d)
micrometer
29.
For measuring the roundness, we determine the error on
a)
cylindricity
b)
runout
c)
circularity
d)
total runout
30.
Run out of an exactly round component is equal to
a)
radial throw of the axis
b)
twice the radial throw of the
c)
half of the radial throw
d)
thrice the raidal throw of
31.
Angle of a V-groove can be found out using a height gauge and
a)
two rollers of same diameter
b)
two rollers of different diame
c)
one roller
d)
three rollerss
32.
Angle of a tapered hole can be found out using a height gauge, depth gauge and
a)
two rollers of same diameter
b)
two rollers of different diame
c)
one roller
d)
three rollerss
33.
A gear tooth vernier caliper is used to check gear tooth thickness at
a)
addendum circle
b)
base circle
c)
pitch circle
d)
dedendum circle
34.
The pattern of the work surface caused by the movement of the cutting tool is known<br />as
a)
Surface texture
b)
roughness
c)
roughness spacing
d)
waviness
35.
The direction of pre-dominant surface pattern on a surface is called
a)
primary texture
b)
secondary texture
c)
waviness
d)
lay
36.
Surface texture includes
a)
roughness
b)
waviness
c)
both
d)
none
37.
Surface finish is measured
a)
parallel to the direction of lay
b)
at an angle to the direction o
c)
perpendicular to the d
d)
not with reference to lay
38.
In surface texture measurement, the length of the profile necessary for the<br />evaluation of the irregularities is
a)
mean length
b)
sampling length
c)
profile length
d)
maximum length
39.
One of the causes for secondary texture is
a)
production process used
b)
direction of tool marks
c)
flaws in the material
d)
vibration of work
40.
One of the methods used in surface inspection by comparison is
a)
inspection by tomlinson
b)
use of straight edge
c)
inspection by profilom
d)
microscopic inspection
41.
In Surface texture measurement by direct instrument method, the moving part which<br />provides a datum is
a)
stylus
b)
recorder
c)
amplifier
d)
skid
42.
Primary texture is caused by
a)
production process used
b)
hard spots on the work
c)
waviness
d)
vibration of work
43.
Profilometer is an instrument used to measure
a)
gear profile
b)
thread profile
c)
surface roughness
d)
taper
44.
A Tomlinson surface meter is
a)
an elctronic instrument
b)
a mechanical instrument
c)
an electrical instrume
d)
a pnuematic instrument
45.
A Talysurf is used to check
a)
flatness
b)
surface texture
c)
straightness
d)
perpendicularity
46.
A Talysurf is associated with
a)
surface flatness
b)
surface texture
c)
surface perpendicular
d)
surface curvature
47.
The instrument which uses carrier modulation principle is
a)
talyrond
b)
tomlinson
c)
profilometer
d)
talysurf
48.
A Talysurf is
a)
an elctronic instrument
b)
a mechanical instrument
c)
an electrical instrume
d)
a pnuematic instrument
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