ELEMENTS 8 Flashcards
1
Q
- It is also known as climb milling in which the rotation of the cutter and the movement of the table is in the same direction.
A. Down milling
B. Up milling
C. Straddle milling
D. Gang milling
A
A. Down milling
2
Q
- The _______ is a machine tool used to remove mtal from a work piece to give it the required shape and size.
A. Shaper
B. Planer
C. Lathe
D. Grinder
A
C. Lathe
3
Q
- It is the method of grinding cylindrical surfaces.
A. Centerless grinding
B. Plunge-cut grinding
C. Through feed grinding
D. None of these
A
A. Centerless grinding
4
Q
- It is the angle between the side cutting edge and the longitudinal axis of the tool.
A. Side cutting edge angle
B. End cutting edge angle
C. Side relief angle
D. End relief angle
A
A. Side cutting edge angle
5
Q
- It is a surface finishing process and is used to produce a lustrous surface of attractive appearance.
A. Polishing
B. Buffing
C. Lapping
D. Glazing
A
B. Buffing
6
Q
- It consists of surface irregularities , which result from the various manufacturing process.
A. Lay
B. Waiveness
C. Flaws
D. Roughness
A
D. Roughness
7
Q
- A _____ is formed when a shaft rotates in a bush, lines of the bore of a housing.
A. Ball bearing
B. Roller bearing
C. Plain bearing
D. Needle bearing
A
C. Plain bearing
8
Q
- CNC in machine shop means
A. Computer Number Control
B. Computer Numerical Control
C. Communication Network control
D. Computer Network Center
A
B. Computer Numerical Control
9
Q
- It is the time lost due to break downs, waiting for tools, minor accident etc.
A. Set up time
B. Handling time
C. Machining time
D. Down time
A
D. Down time
10
Q
- Refers to the process of separating or removing the burning of combustible material from the neighborhood of the fire.
A. Starvation
B. Blanketing
C. Cooling
D. None of these
A
A. Starvation
11
Q
- What is the stress to strain ratio within the elastic limit?
A. Elastic limit
B. Elasticity
C. Modulus of elasticity
D. Compressive ratio
A
C. Modulus of elasticity
12
Q
- A material plane was subjected to a load. When the load was removed, the strain disappeared. From the structural change which of the following can be considered about this material?
A. It does not follow Hooke’s law
B. It is elastic
C. It has high modules of elasticity
D. It is plastic
A
B. It is elastic
13
Q
- Allowance added in the casting pattern to compensate for the contraction of metal.
A. Tapering allowance
B. Finish allowance
C. Shrinkage allowance
D. Draft pattern
A
C. Shrinkage allowance
14
Q
- Ratio of the angle of action to the pitch angle.
A. Contact ratio
B. Ratio of gearing
C. Approach ratio
D. Module
A
A. Contact ratio
15
Q
- General purpose grade of steel used for broiler plate, structurals etc. usually with carbon content of:
A. 0.20 to 0.30%C
B. 0.35 to 0.0%C
C. 0.15 to 0.25%C
D. All of these
A
A. 0.20 to 0.30%C
16
Q
- The angle made by the helix of the thread (in a straight thread) at the pitch diameter with a plane perpendicular to the axis called:
A. Angle of thread
B. Lead angle
C. Truncation
D. Lead
A
B. Lead angle
17
Q
- The principle materials used in the production of metal working tools.
A. High carbon steel
B. Titanium, phosphorus
C. Tungsten, silicon, hadfield Mn
D. Vanadium, chromium, molybdenum
A
A. High carbon steel
18
Q
- In the interest of design simplification and good kinematic compromise bevel gears adopted a standard pressure angle of _____ degrees.
A. 200 involute stub
B. 141/2 involute full depth
C. 200
D. 171/2
A
C. 200
19
Q
- The property of material that relates the lateral strain to longitudinal strain.
A. Stress
B. Poisson’s ratio
C. Strain
D. Endurance limit
A
B. Poisson’s ratio
20
Q
- It is generally recommended and normal for a designer to add a hunting tooth to evenly distribute the wear on meshing teeth like a 53 teeth gears mesh with 30 teeth pinion. Find the rotation of pinion to mesh with same pair of teeth again.
A. 120
B. 61
C. 81
D. 53
A
D. 53
21
Q
- When does a chisel get blunt?
A. When it is properly heat treated
B. When it is not properly heat treated
C. When it is properly tempered
D. When it is not properly tempered
A
B. When it is not properly heat treated
22
Q
- What is it necessary to provide tolerance?
A. It saves the labor charges
B. It saves the material from wastage
C. It saves the time
D. All of these
A
D. All of these
23
Q
- It is done then and there by adjusting or repairing the faults come in notice during the work.
A. Preventive maintenance
B. Predictive maintenance
C. Routine maintenance
D. Corrective maintenance
A
C. Routine maintenance
24
Q
- A _______ is used between the cutting tool and work piece to minimize the friction heat.
A. lubricant
B. Coolant
C. Water
D. Alcohol
A
B. Coolant
25
25. Which of the following is NOT a function of bearings
A. To support the shaft
B. To guide the shaft
C. To give free rotation to the shaft
D. To transmit power
D. To transmit power
26
26. It is a process of cleaning the face of grinding wheel by means of a dresser for removing the glazing and loading of wheel and to improve the cutting action of a wheel.
A. Dressing
B. Polishing
C. Truing
D. Lapping
A. Dressing
27
27. What should be the top rake angle to cut brass?
A. 0o
B. 15o
C. 30o
D. 45o
A. 0o
28
28. It is a long, tapered punch used for loosening straight pins, taper pins, rivets and other small parts being disassembled.
A. Drive-pin punch
B. Hand punch
C. Drift punch
D. Center punch
C. Drift punch
29
29. A tool used for turning nuts or bolts.
A. Plier
B. Wrench
C. Long nose
D. C – Clamp
B. Wrench
30
30. A sharp pointed steel tool used to scribe lines on metal being laid out.
A. Divider
B. Scriber
C. Trammel
D. Hermaphrodite calliper
B. Scriber
31
31. The shaft whose torque varies from 2000 to 6000 in lbs has 1 ½ in. in diameter and 60000 psi yield strength. Compute for the shaft mean average stress.
A. 6036 psi
B. 5162 psi
C. 6810 psi
D. 5550 psi
A. 6036 psi
32
32. The angle made by the helix of the thread (In a straight thread) at the pitch diameter with a plane perpendicular to the axis is called:
A. Lead angle
B. Lead
C. Trunction
D. Angle of thread
A. Lead angle
33
33. The rule of thumb in journal bearing design; the clearance ratio/clearance should be:
A. 0.0090
B. 0.0010
C. 0.0042
D. 0.00120
B. 0.0010
34
34. The moment of inertia is a rectangle whose base is “b” height “h” about its base is:
A. bh3/4
B. bh3/24
C. bh3/12
D. bh3/3
D. bh3/3
35
35. Cold rolled shafting is not available in diameter larger than:
A. 6 inches
B. 6 ½ inches
C. 5 inches
D. 5 ½ inches
C. 5 inches
36
36. Height of tooth above pitch circle or the radial distance between pitch circle and top land of the tooth.
A. Top root
B. Land
C. Addendum
D. Hunting tooth
C. Addendum
37
37. The function of clutch in the machine tool is:
A. Lowering of drive speed
B. To disconnect or connect at will the drive
C. Alignment of drive shaft
D. To insure that two shaft line up at high speed
B. To disconnect or connect at will the drive
38
38. A resulting forces that replace two or more forces acting together.
A. Vector
B. Resultant
C. Couple
D. Equilibrium
B. Resultant
39
39. Stress relieving is also _____ for the purpose of reducing the internal stresses of steel material/metal.
A. Normalizing
B. Annealing
C. Tempering
D. All of these
C. Tempering
40
40. Matensite (stainless steel) contains 4 to 26% Cr. And a maximum of ____ % nickel.
A. 2.5
B. 3.5
C. 3.25
D. 2.0
A. 2.5
41
41. A ____ is used to be test the accuracy of holes.
A. Snap gage
B. Ring gage
C. Plug gage
D. Depth gage
C. Plug gage
42
42. A ____ consists of a hardened and ground steel bar in which two hardened and ground of the same diameter are set.
A. Caliper
B. Gage block
C. Sine bar
D. Micrometer
C. Sine bar
43
43. A ______ consists of a slide and a swivel vise mounted on the compound rest in place of the tool post.
A. Milling attachment
B. Relieving attachment
C. Grinding attachment
D. Reaming attachment
A. Milling attachment
44
44. ________ are hardened steel devices with a taper shank on one end and a 60 degree point at the other end.
A. Tailstock centers
B. Lathe centers
C. Live centers
D. Dead centers
B. Lathe centers
45
45. It is a work holding device.
A. Arbor
B. Mandrel
C. Jigs
D. Fixtures
B. Mandrel
46
46. The cutting of groove nest to a shoulder on a piece of work.
A. Undercutting
B. Necking
C. Grooving
D. Any of these
D. Any of these
47
47. The operation of producing a beveled edge at a specified angle of the nd of a turned diameter.
A. Chamfering
B. Knurling
C. Honing
D. Undercutting
A. Chamfering
48
48. It is a large casting located on the left end of the bed.
A. Tailstock
B. Head stock
C. Carriage
D. Chuck
B. Head stock
49
49. A ________ is a thread that has a lead equal to pitch.
A. Right hand thread
B. Left hand thread
C. Single thread
D. Multiple head
C. Single thread
50
50. The distance between the crest and the base of the thread, measured perpendicular to the axis.
A. Depth of thread
B. Length of engagement
C. Depth of engagement
D. Axis of thread
A. Depth of thread
51
51. Matensite (stainless steel) contains 4 to 26% Cr. And a maximum of _____% nickel.
A. 2.5
B. 3.5
C. 3.25
D. 2.0
A. 2.5
52
52. Compute the deflection of a 18 coils helical spring having a load of 100 kgs. The modulus of elasticity in shear of spring is 96.62 GPa, OD pof 9 525 mm. The spring is square and ground ends.
A. 9 mm
B. 112 mm
C. 101 mm
D. 14 mm
C. 101 mm
53
53. A flanged bolt coupling has ten (10) steel 25.4 mm diameter bolts evenly tighten around a 415 mm bolt circle. Determine the torque capacity of the connection if the allowable shearing stress in the bolt is 50 MN/m2.
A. 59.95 KN-m
B. 46.15 KN-m
C. 52.6 KN-m
D. 43.8 KN-m
C. 52.6 KN-m
54
54. The material that can cut/wear hardest substance subjected to:
A. Carbide
B. Tungsten
C. Abrasive
D. Vanadium
C. Abrasive
55
55. A ridge of uniform section in the form of a helix cut around the circumference of a cylinder and advancing along the axis.
A. Thread roots
B. Screw threads
C. Helix thread
D. Chamfers
B. Screw threads
56
56. Cast iron flywheels are commonly designated with factor of safety of:
A. 10 to 13
B. 10 to 14
C. 10 to 12
D. 8 to 13
A. 10 to 13
57
57. Class of material exhibiting decreased electrical conductivity with increasing temperature.
A. Aluminum
B. Metals
C. P-type semi-conductors
D. N-type semi-conductors
B. Metals
58
58. The welding made along the edges of twp parallel plates is called:
A. Groove joint
B. Edge joint
C. Fillet joint
D. Corner joint
Answer: B
B. Edge joint
59
59. Not part and in fact should not be used in the steel melting process.
A. Coke
B. Zinc
C. Silicon
D. Aluminum
A. Coke
60
60. Rule of thumb in calculating the equipment foundation mass should be _____ times the weight of the machinery it is supposed to support.
A. 3 – 5
B. 3 – 9
C. 3 – 6
D. 2 – 4
A. 3 – 5
61
61. Used to permit lever shift for vertical travel of rail.
A. Ball crank
B. Clamp plates
C. Plunger knob
D. None of these
C. Plunger knob
62
62. It is mounted on the top of the column and is guided in perfect alignment by the machined dovetailed surfaces.
A. Over arm
B. Spindle
C. Arbor
D. Saddle
A. Over arm
63
63. Refers to circular milling attachment that is bolted to the top of the table of a plain or universal milling machine.
A. Slotting attachment
B. Rotary attachment
C. Milling attachment
D. Spiral attachment
B. Rotary attachment
64
64. The process of removing burrs and the gates and risers left on casting after the molding process.
A. Reaming
B. Snagging
C. Honing
D. Knurling
B. Snagging
65
65. The ____ supports the table on the cross rail and moves across it from left to right.
A. Apron
B. Bearing
C. Spindle
D. Handle
A. Apron
66
66. Name of mechanism, which a welding operator holds during gas welding and at the end of which the gages are burred to perform the various gas welding operation.
A. Hose
B. Torch
C. Gage
D. Switch
B. Torch
67
67. A tool used for measuring diameters.
A. Protractor
B. Scriber
C. Caliper
D. Compass
C. Caliper
68
68. A fine grained, slaty silica rock used for sharpening edged tools.
A. Oilstone
B. Surface grinder
C. Rocky oil
D. None of these
A. Oilstone
69
69. Device used to prevent leakage of media.
A. Gasket
B. Seal
C. Shield
D. Stopper
B. Seal
70
70. Flexible material used to seal pressurized fluids normally under dynamic conditions.
A. Packing
B. Gasket
C. Shield
D. Seal
A. Packing
71
71. The strength of non-ferrous alloys is at maximum at room temperature while that of ferrous metal has a maximum strength at _____0 F.
A. 400
B. 450
C. 1200
D. 350
A. 400
72
72. The ratio of stress acting on an elastic substance to the decrease in volume per unit volume.
A. Bulk modulus
B. Elastic limit
C. Modules of resilience
D. Modules of elasticity
A. Bulk modulus
73
73. The normal helix angles in helical gear is recommended in the range of ____ degrees.
A. Less than 18
B. 15 to 25
C. 20 to 35
D. 20 to 30
B. 15 to 25
74
74. Type of bolt commonly used in the construction that is threaded in both ends.
A. Stud bolt
B. Hex bolt
C. Acne threaded bolts
D. Square threaded bolts
A. Stud bolt
75
75. It is rigid place which serves to transmit force from a piece another piece or to cause/control motion.
A. Follower
B. Cam motion
C. Crank
D. Link
D. Link
76
76. A 20 kgs. Cast iron piece rest on a plain horizontal aluminum surface. To move the object it needs a force of 7 lbs. The density of Al is 0.098 lb/in3 and iron is 0.260 lb/in3.
A. 0.172
B. 1.601
C. 0.186
D. 0.160
D. 0.160
77
77. Which of the following is an iron based alloy containing 9 – 16% chromium?
A. Mn hadfield steel
B. Stainless steel
C. Chrome-moly steel
D. High chrome steel
B. Stainless steel
78
78. Shafting up to 3 inches in diameter is usually made from cold rolled steel and the common biggest diameter of cold rolled steel is:
A. 4 ½ inches
B. 6 ¾ inches
C. 6 7/8 inches
D. 5 inches
D. 5 inches
79
79. It is ideal for maximum quietness in sprockets drive operation to choose ____ or more teeth.
A. 24
B. 27
C. 18
D. 21
B. 27
80
80. All associated with standard material specification, except:
A. American Iron and Steel Institute
B. Society of Automotive Engineers
C. Southeast Asia Iron and Steel Institute
D. American Society for Testing Materials
C. Southeast Asia Iron and Steel Institute
81
81. A hand tool used to measure tension of bolts.
A. Tensile range
B. Torque wrench
C. Hooke’s gauge
D. Spring balance
B. Torque wrench
82
82. A hand tool used to measure engine crank web deflection.
A. Feeler gage
B. Compound gage
C. Distortion gage
D. Dial gage
C. Distortion gage
83
83. A device used for accurately measuring diameters.
A. Dial gage
B. Feeler gage
C. Caliper
D. Micrometer
D. Micrometer
84
84. It is used to true and align machine tools, fixtures and works.
A. Dial indicator
B. radial indicator
C. Dial gage
D. Feeler gage
A. Dial indicator
85
85. The operation of making a cone-shaped enlargement of the end of a hole, as for a recess for a flattened screw.
A. Counter boring
B. Counter sinking
C. Reaming
D. Drilling
B. Counter sinking
86
86. A kind of chuck, which has reversible jaws, which could be adjusted separately.
A. Independent chuck
B. Combination chuck
C. Magnetic chuck
D. Universal chuck
A. Independent chuck
87
87. It is used for cutting long pieces of metals.
A. Planer
B. Shaper
C. Power saw
D. Broaching machine
C. Power saw
88
88. It is used for external, internal and relieving of mill cutters and taps
A. Milling attachment
B. Thread attachment
C. Taper attachment
D. Relieving attachment
D. Relieving attachment
89
89. It is the stretching or spreading of metal by hammering
A. Peening
B. Flaring
C. Upsetting
D. Bending
A. Peening
90
90. The ______ is the most common of the standard tapers.
A. Brown
B. Jarno
C. Sharpe
D. Morse
D. Morse
91
91. For stable equipment foundation, the total combined engine driven equipment and foundation center of gravity must be kept below the foundation’s too that usually about ____ times the usual total combined weight of the machinery it is supposed to support.
A. 3 to 4
B. 2 to 4
C. 3 to 7
D. 3 to 5
D. 3 to 5
92
92. A cylinder tank with 10” inside diameter contains oxygen gas at 2500 psi. Calculate the required wall thickness in (mm) under stress of 28 000 psi.
A. 11.34 mm
B. 12.44 mm
C. 10.24 mm
D. 10.54 mm
A. 11.34 mm
93
93. The process of opening the joint portion immediately after the welding greatly improves the fusion structures avoids possible cracking, avoids possible distortion etc. Peening can also _____ process at the same time.
A. Tempering
B. Normalizing
C. Martempering
D. Annealing
A. Tempering
94
94. What do you call the distance between rivet center nearest each other in adjacent rows?
A. Pitch
B. Margin
C. Back pitch
D. Diagonal pitch
D. Diagonal pitch
95
95. Which of the following is a major alloy in tool steel?
A. Cr
B. Cobalt
C. Fen
D. Mn
A. Cr
96
96. Should two equal and opposite collinear forces is added to the forces already in equilibrium, which of the following statements is true?
A. Unbalanced moment is maintained
B. Equilibrium is maintained
C. Equilibrium id disturbed
D. It creates an unbalanced situation
B. Equilibrium is maintained
97
97. In pressure vessels, which of the following resists internal pressure through bending?
A. Shell-type element
B. Cam type element
C. Plate-type element
D. Spherical type element
C. Plate-type element
98
98. Which of the following flanges is suitable for low and moderate pressure?
A. Ring-flange
B. Lap joint flange
C. Tapered-hub flange
D. Welding neck type
A. Ring-flange
99
99. It is the process of pre-stressing or over-stressing of a hollow cylindrical member beyond the elastic range.
A. Presstagge
B. Autofrettage
C. Stress relieving
D. Countersinking
B. Autofrettage
100
100. It is the phenomenon occurring when two touching surfaces have a high contact pressure and when these surfaces have minute relative moton.
A. Prestressing
B. Fretting
C. Friction
D. Carving
B. Fretting
