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IKING > M4 > Flashcards

M4 Flashcards

1
Q

What do you call the difference between
the higher limit and lower limit of size?
A. Allowance C. Interference zone
B. Deviation D. Tolerance

A

D

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2
Q

When working on bearings and checking
for high spots, it is customary to apply:
A. White lead C. Dykem blue
B. Red lead D. Prussian blue

A

D

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3
Q

For acceptable ideal range of tightness
which may result from the application of specific
combination of allowances and tolerances.
A. Allowance limit C. Interference
B. Tolerance limit D. Fit

A

D

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4
Q

The designation which is used for the
purpose of general identification.
A. Normal size C. Nominal size
B. Standard size D. Basic size

A

C

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5
Q

Dimensional variation
allowed/prescribed in order to secure difference of fits
between mating parts.
A. Allowance C. Plus or minus
B. Fits D. Tolerance

A

A

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6
Q

) The boundary that separates the object
from another object, and/or space.
A. Roughness C. Texture
B. Surface D. Waviness

A

B

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7
Q

Basic size is the same as design size if
there is none of this.
A. Allowance C. Interference fit
B. Clearance D. Tolerance

A

A

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8
Q

The commonly used tool to measure the
diameter in machine shop operation but usually used with
steel scale for measurement.
A. Caliper C. Protractor
B. Micrometer D. Vernier

A

B

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9
Q

The best instrument for measuring a
thousandth of an inch.
A. Micrometer C. Tachometer
B. Pyrometer D. Vernier Caliper

A

D

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10
Q

When two pieces are to remain
permanently together but the shape of one or both would
make it impracticable or impossible to force one within the
other, the enveloping piece is heated and thereby
expanded sufficiently to slide over the other and then
cooled slowly with water.
A. Expand allowance C. Shrink fit
B. Force fit D. Slip fit

A

C

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11
Q

Mirror finish specimen has surface
roughness of:
A. 1 rms C. 2 to 5 rms
B. 1 to 3 rms D. 2 to 8 rms

A

A

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12
Q

It is a symbol that the work surface
should be machined finished and usually indicates in I the
drawing and placed on line that represents the surface to be
machined.
A. f C. 20
B. 15 D. F.A.O.

A

A

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13
Q

A machine shop instrument for checking the flatness of
plane surfaces to tenth of a thousand of a centimeter
A. Blade type micrometer C. Planimeter
B. Dial caliper D. Micrometer

A

C OR D

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14
Q

) It is also known as the plus
or minus tolerance.
A. Allowance C. Total tolerance
B. Bilateral tolerance D. Unilateral tolerance

A

B

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15
Q

) The permissible variation of
the manufactured/machined dimensions.
A. Allowance C. Intolerance fits
B. Deviation D. Tolerance

A

D

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16
Q

) If the shaft size is specified as diameter
2.00″ max and 1.99″ min in diameter then the 0.010″ could
be defined by this.
A. Allowance C. Tolerance
B. Fit D. Variance

A

C

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17
Q

The difference between material limits
of mating parts or it is a minimum clearance or maximum
interference between parts.
A. Allowance C. Tolerance
B. Fits D. Variance

A

A

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18
Q

Which of the following is not generally
used as standard material specifications?
A. ASTM C. IPS
B. SAE D. AISI

A

C

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19
Q

The nominal diameter of the bolt is also
known by this term.
A. Major diameter C. Pitch diameter
B. Minor diameter D. Base diameter

A

A

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20
Q

All are associated with standard
material specification except:
A. AISI C. SAE
B. ASTM D. SEAISI

A

D

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21
Q

When hole is smaller than the shaft, it
will take pressure to pull the parts together, and the
allowance is negative and is termed the:
A. Allowance C. Interference of metal
B. Fit D. Tolerance

A

C

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22
Q

A machine used for testing of very thin steel
or surface layers.
A. Charpy test C. Rockwell test
B. Description test D. Izod test

A

C

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23
Q

A machine tool in which an abrasive wheel is
used as a cutting tool to obtain a very smooth finish.
A. Broaching machine C. Planer
B. Lathe machine D. Tool grinder

A

D

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24
Q

The usual shrinkage allowance specified for
patterns to compensate for the expected shrinking of cast
steel parts construction of steel casting in coolingviii
.
A. 1/8 inch/ft C. 3/16 inch/ft
B. 3/32 to 1/8 inch/ft D. 5/32 to 7/32 inch/ft

A

C

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25
Q

Are used as couplings, or in addition to
another couplings where, in case of overload, there is
danger of injury to machines or to material in process
A. Flange coupling C. King pin
B. Involute serrations D. Shear pin

A

D

26
Q

If a piston ring is to be made 1/64” larger in
diameter per inch diameter of the cylinder which it is to fit,
the required diameter for a piston ring to fit an 8” cylinder
will be:
A. 8 – 1/4” C. 8 – 3/16”
B. 8 – 1/8” D. 8 – 5/32”

A

B

27
Q

It is used to measure gap between two
mating parts to set the job and machine in alignment and to
measure clearance of piston and cylinders in automobiles.
A. Compound Gauge C. Inspection Gauge
B. Feeler gauge D. Workshop gauge

A

B

28
Q

The process of checking or producing
checkers on the surface of the piece by rolling checkered
depressions in the surface.
A. Indexing C. Quenching
B. Knurling D. Soldering

A

B

29
Q

Concentricity of an outside diameter can be
checked by:
A. Dial test indicator C. Tube micrometer
B. Outside micrometer D. Vernier caliper

A

A

30
Q

It is otherwise known as the percentage
difference in solid and working deflections?
A. Clash allowance C. Thrust allowance
B. Spring allowance D. Working allowance

A

D

31
Q

Which of the following type of fits used for
involutes spline?
A. Close fit C. Sliding fit
B. Press fit D. All of these

A

D

32
Q

Is the irregularities of departures from the
nominal surface of greater spacing than roughness?
A. Lay C. Smoothness
B. Roughness D. Waviness

A

A

33
Q

Is the surface finish of micrometer in rms.
A. 1 C. 3
B. 2 D. 4

A

A

34
Q

Used for permanent fits and are similar to
involute splines except the pressure angle is 14.5°.
A. Involute serrations C. Spline shaft
B. Separation load D. Stub serrations

A

A

35
Q

The “GO” size limits is the _________.
A. Upper limit of shaft C. Both A and B
B. Lower limit of hole D. Neither A nor B

A

C

36
Q

In case of limit of plug gauge, which size will not enter into
the hole.
A. “GO” size C. Either A or B
B. “Not GO” size D. Neither A nor B

A

B

37
Q

The micrometer’s spindle of an inch-system micrometer has
_____ threads per inch.
A. 25 C. 40
B. 32 D. 48

A

C

38
Q

There are _____ divisions on the Metric vernier scale,
occupying the same length as 24 divisions on the bar, which
is 12 millimeters.
A. 25 C. 40
B. 32 D. 48

A

A

39
Q

The smallest measurement possible by a vernier caliper.
A. Actual reading C. Main scale division
B. Least count D. Vernier scale division

A

B

40
Q

What is the least count of a standard metric vernier caliper?
A. 0.2 mm C. 0.02 mm
B. 2 mm D. 0.002 mm

A

C

41
Q

Limit gauge is made to the ______ sizes of the work to be
measured.
A. Nominal and upper limit C. Actual and nominal
B. Nominal and upper limit D. Maximum/minimum

A

D

42
Q

Which of the following is used as a material for the ground
electrode of the spark plug?
A. Brass C. Cast iron
B. Bronze D. Nickel

A

D

43
Q

What is the correct range of gap size in the millimeter of a
spark plug?
A. 0.35-0.45 C. 1.0-2.0
B. 0.6-1.0 D. 2.0-4.0

A

B

44
Q

Which of the following material is used to fill the space
between the plug electrodes in a surface discharge plug?
A. Plastic C. Semiconductor
B. Rubber D. Wood

A

C

45
Q

The upper deviation is the algebraic difference between the
__________ and its corresponding basic size.
A. Actual size C. Maximum limit of the size
B. Design size D. Minimum limit of the size

A

C

46
Q

The difference between the maximum and minimum sizes
allowed in manufactured components is called:
A. Clearance C. Allowance
B. Tolerance D. Limit

A

B

47
Q

It is the difference between the size of the manufactured
product and the corresponding basic size.
A. Deviation C. Upper deviation
B. Actual deviation D. Allowance

A

B

48
Q

It is the type fit used on shaft supported by a ball bearing.
A. Clearance fit C. Shrinkage fit
B. Driving fit D. None of the above

A

B

49
Q

How much a stylus instrument5
can be magnified to plot or
find minute irregularities?
A. 50 times C. 500 times
B. 5000 times D. 50,000 times

A

D

50
Q

It is equal to the differences between the two limits of size
of the part.
A. Allowance C. Tolerance
B. Lower limit D. Upper limit

A

C

51
Q

A type of tolerance provided mostly in drilling.
A. Bilateral C. Unilateral
B. Trilateral D. Compound

A

C

52
Q

Which of the following is not a classification of fit?
A. Clearance C. Tolerance
B. Interference D. Transition

A

C

53
Q

Tolerance for a shaft of 50 mm diameter as the basic size,
with the fundamental deviation denoted by g and tolerance
of grade 7 is represented as?
A. g50,7 C. 7g50
B. 50g7 D. None of these

A

B

54
Q

While roughness is referred to as a primary texture, this one
is called a secondary texture.
A. Waviness C. Lay
B. Error of form D. Error of geometry

A

A

55
Q

A maximum tolerance of _____ is provided for offset (due to
parallel displacement of keyseat centerline from centerline
of shaft or bore) of keyseats in shaft and bore.
A. 0.01 in C. 0.05 in
B. 0.025 in D. 0.075 in

A

A

56
Q

How many grades of tolerances does the ISO system of limits
and fits specify?
A. 12 C. 8
B. 18 D. 25

A

B

57
Q

These are fastenings between two parts in which the inner
component is larger than the outer component.
A. Force fits C. Location fits
B. Interference fits D. Shrink fits

A

B

58
Q

The rough edges on an irregular surface.
A. Asperities C. Perspectives
B. Manifolds D. Waves

A

A

59
Q

What is the maximum clearance required between hole 50
+0.022, 0.000 and shaft 50 -0.110, 0.141?
A. 0.143 mm C. 0.163 mm
B. 0.153 mm D. 0.173 mm

A

C

60
Q

If the allowance of 0.03 mm for clearance is given and the
shaft diameter is 20 mm, then the design size is ________
A. 20.07 mm C. 19.03 mm
B. 19.97 mm D. 20.3 mm

A

B

61
Q

If the allowance of 0.04 mm for clearance is given and the
shaft diameter is 40mm, then the design size is:
A. 19.96 mm C. 39.96 mm
B. 20.04 mm D. 40.04 mm

A

C

62
Q

) A 1.00 m cast iron wheel has a 1.00 mm
thick steel ring shrunk into it at a tire. The interference fit (i)
is 0.1 mm. What is the contact pressure?
A. 42 kPa C. 21 MPa
B. 4.2 kPa D. 42 MPa

A

A

IKING (9 decks)

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