1.

What is the property of matter that causes it to resist any change in its motion
or state of rest?
A. Momentum
B. Inertia
C. Kinetic Energy
D. Section modulus

2. Steel is heated to a temperature above the critical range, after which it is

cooled in still air to produce a generally fine pearlite structure. The purpose is
to promote uniformity of structure and properties after a hot-working operation
such as forging or extrusion. What was the heat treatment involved?
A. Annealing
B. Tempering
C. Normalizing
D. Stress relieving

3. In manufacturing, what is the operation of cutting out flat area to some desired
shape and is usually the first step in a series of operation?
A. Turning
B. Facing
C. Blanking
D. Finishing

4. What is the algebraic difference between a size and the corresponding basic
size?
A. Tolerance
B. Deviation
C. Allowance
D. Lim
5. It is a computational method used for solving complex shapes, such as those
found in machinery; replaces the complex shape with a set of simple elements
interconnected at a finite set of a specific purpose. What is this computational
method?
A. Finite element analysis
B. Fault free analysis
C. Numerical method of analysis
D. Synthesis

6. A bridge has a span of 5 furlongs. What is its equivalent length in yards?

A. 1000 yards
B. 1100 yards
C. 1150 yards
D. 1150 yards

7. Wrought iron contains a maximum of which of the following?

A. 0.01 % carbon
B. 0.3 % carbon
C. 0.6 % carbon
D. 2.0 % carbon

8. When preparing to tap a hole, the size of the drill will be:
A. equal to the size of the tap
B. smaller than the size of the tap
C. larger than the size of the tap
D. none of the above

9. In up cut milling the work piece is fed

A. against the rotating cutter
 B. at right angle to the cutter
C. at an angle of 60* to the cutter
D. in the direction of the cutter

10. Internal dovetail taper can be measured by which of the following?

A. Sine bar and slip gauges
B. Balls of standard size and dial indicator
C. Balls of standard size and sine bar
D. Balls of standard size and slip gauges

11. What is pouring Babbit in:

A. Can be poured in several pourings
B. must be poured all at one time
C. can be done at intervals
D. must be done in cool place

12. What is the difference between the shaper and a planer?

A. The shaper can perform slotting operation while the planer cannot
B. The shaper handles large pieces while the planer handles only small
pieces
C. The tool of the shaper moves while the planer is stationary
D. The tool of the shaper moves in reciprocating motion while the tool in
the planer moves in rotary motion.

13. If the angle on a drill is less than 59 deg.:

A. the drill will make a large hole
B. the drill will make a smaller hole
C. the hole will take longer to drill and more power is required to drive the
drill
 D. the drill will not center properly

14. The cylinder of piston type steam engine are counter bored to:
A. give a larger head clearance
B. prevent piston rings from wearing a groove in the cylinder at the end of
the stroke
C. give a larger volumetric clearance
D. prevent piston rings from slipping on the piston

15. Which of the following is not true for an instant center or centro of planar
linkages?
A. Centro is a point common to two bodies having the same velocity in
each.
B. Centro is a point in one body about which another body actually turns.
C. Centro is a point in one body about which another body tends to turn.
D. Centro is a point in one body about which another body does not rotate.

16. Twist drills are usually considered suitable machining holes having a length less
than
A. two times their diameter
B. ten times their diameter
C. five times their diameter
D. twenty times their diameter

17. When installing a new grinding wheel, always use:

A. Blotting paper gaskets on each side of the wheel
B. Copper gasket on each side of the wheel
C. Only the steel washers provided with the machine
D. None of the above
18. Electron beam machining process is quite suitable for a material having
A. high melting point and high thermal conductivity
B. high melting point and low thermal conductivity
C. low melting point and low thermal conductivity
D. low melting point and high thermal conductivity

19. Manufactured from aluminum oxide have the same expected life as carbide
tools but can operate at speeds from two to three times higher. They operate
below 1100°C.
A. Sintered carbides
B. Ceramic tools
C. Diamonds
D. Cast nonferrous

20. Which of the following contains tungsten or chromium and retains its hardness
up to approximately 1100°F, a property known as red hardness
A. Ceramic tool
B. Diamonds
C. High speed steel
D. Carbon tool steel

21. How do you call a statistical data used to identify the most likely failure modes?
A. Finite element analysis
B. Fault free analysis
C. Failure analysis
D. Random analysis

22. Which of the following are the compositions of stainless steel 302?
 A. 18 % chromium and 8 % nickel
B. 18 % nickel and 8 % chromium
C. 18 % chromium and 8 % phosphor bronze
D. 18 % bronze and 8 % vanadium

23. This alloy (nickel, iron, chromium, cobalt is a non-magnetic, corrosion resistant
material suitable for sub-zero temperatures and temperatures up to about 750
degrees F., provided that torsional stresses are kept below 75,000 pounds per
square inch. It is precipitation-hardened to produce harnesses of 48 to 50
Rockwell C and is used in watch and instrument springs.
A. Elinvar
B. Inconel
C. Monel
D. Dynavar

24. What is the difference of the values of the Wahl factor and the Bergstrasser
factor, in percentage?
A. 1 %
B. Greater than 1 %
C. Less than 1 %
D. 0.5 %

25. Which of the following threads are used for power screw?
A. Square thread, Acme thread, & Unified thread
B. Square thread, Unified thread, & Acme thread
C. Acme thread, Unified thread, & Buttress thread
D. Square thread, Acme thread, & Buttress thread
26. When two elastic bodies collide, which of the following laws can be used to
solve for the resulting velocity?
A. Avogadro’s law
B. Conservation of momentum and conservation of energy
C. Dalton’s law of partial pressure
D. Conservation of energy

27. Which of the following process affects the changes in properties of materials?
A. Shaping
B. Sintering
C. Hardening
D. Anodizing

28. A ratchet screw is provided on a micrometer screw gauge to:

A. Lock the measured reading
B. Prevent wearing of screw threads
C. maintain constant measuring pressure for all readings
D. Allow zero adjustments

29. The function of the clutch in the machine tools is:

A. Lowering the drive speed
B. To disconnect or connect the shaft at will the drive
C. Alignment of drive shaft
D. To ensure that two shafts line up at high speed

30. Which of the following chisels would be used for cutting oil grooves?
A. diamond-point chisel
B. round-nose chisel
C. cold chisel
 D. hot chisel

31. After a piece of piece of pipe has been cut, the hole is cleaned out with a:
A. piper reamer
B. pipe taper
C. pipe cleaner
D. hole cleaner

32. The size by which it is referred to as a matter of convenience called:

A. actual size
B. effective size
C. basic size
D. nominal size

33. The higher the melting point of the solder, the:

A. weaker the solder joint
B. stronger the solder joint
C. softer the solder joint
D. harder the solder joint

34. A piece of mild steel held against an emery wheel will give off:
A. bright shiny sparks
B. light straw colored sparks
C. no sparks
D. green sparks

35. Staggering of hacksaw blade teeth on both sides alternatively is called

A. Arrangement of teeth
B. Positioning to teeth
 C. Setting of teeth
D. None of the above
36. A core drill with hardened steel shot pallets that revolve under the rim of the
rotating tube, employed it rotary drill in every hard ground.
A. automatic drill
B. fat drill
C. double core barrel drill
D. adamantine drill

37. It is the process of driving the periphery of the job in degrees.

A. Direct indexing
B. Differential indexing
C. Plain indexing
D. Angular indexing

38. What is the other term used for die casting?

A. Thermosetting
B. Metal-mold casting
C. Shell-molding
D. Tangential casting

39. The maximum-strain theory which apples only in elastic range of stresses are
also known as _____
A. Hooke’s Law
B. Stress-strain Theory
C. Saint Venant’s Theory
D. Cataligno’s Theory
40. Which of the following is the statement of how the total moment is derived
from a number of forces acting simultaneously at a point?
A. Goodman’s theorem
B. Soderberg’s theorem
C. Varignon’s theorem
D. Cataligno’s theorem

41. These springs are made from one or more flat strips of brass, bronze, steel or
other materials loaded as cantilevers or simple beam.
A. Torsion springs
B. Garter springs
C. Leaf springs
D. Drawbar springs

42. This is a lubrication condition where non-conformal surfaces are completely

separated by lubricant film and no asperities are in contact. How do you call
this lubrication condition?
A. Elastohydrodynamic lubrication
B. Hydrodynamic lubrication
C. Boundary lubrication
D. Hydrostatic lubrication

43. For an American Standard Screw Threads, what does 6-32 UNC designate?
A. Size 6, 32 threads per inch, coarse thread
B. 6 inches’ basic diameter, 32 threads per inch, coarse thread
C. Size 6, 32 threads per inch, fine thread
D. 32 inches’ basic diameter, 6 threads per inch, coarse thread
44. Which of the following gases is typically used in nitriding process of surface
hardening?
A. Nitrogen gas
B. Ammonia gas
C. Carbon dioxide
D. Hydrogen gas

45. This is the trade name for a patented alloy made up chiefly of cobalt,
chromium, and tungsten in varying proportions. What is this trade name?
A. Stellite
B. Stainless steel
C. Carboloy
D. Copper

46. It is called as the transformation of concepts and ideas into useful machinery.
What is this?
A. Design
B. Analysis
C. Synthesis
D. Theorem

47. What do you call a material having different properties in all directions at point
in solid?
A. Isotropic material
B. Orthotropic material
C. Anisotropic material
D. Ceramic material
48. What do you call a type of bolt threaded on both ends and can be used
where a through bolt is impossible?
A. Coupling bolt
B. Stud bolt
C. Machine bolt
D. Carriage bolt

49. Normal stress relieving temperature for cast iron:

A. 200 to 350°F
B. 300 to 550°F
C. 400 to 500°F
D. 450 to 550°F

50. Knurling is done to:

A. smooth material
B. roughen material
C. polish material
D. sharpen material

51. One turn of the screw on a micrometer moves the spindle:

A. 0.25
B. 0.0205
C. 0.205
D. 0.2005

52. N.F. stands for:

A. national file
B. neutral file
C. national fine
 D. not found

53. 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 – ¼”
B. 8 – 3/16”
C. 8 - 1/8”
D. 8 – 5/32”

54. Twist drills are usually considered suitable machining holes having a length less
than:
A. two times their diameter
B. five times their diameter
C. ten times their diameter
D. twenty times their diameter

55. If muriatic acid is used as a flux, the soldered area must be cleaned thoroughly
afterwards to prevent:
A. anyone touching it from getting burned
B. remaining acid from eating the metal
C. the acid from evaporating the solder disintegrating
D. none of the above

56. Sweating is the process of:

A. soldering two different kinds of metal together
B. separating two pieces of metal that have been soldered together
C. tinning two surfaces, applying, flux between them, holding the two
together and heating
 D. none of the above

57. What is the lip clearance angle of twist drill for generated work?
A. 3 – 6°
B. 12 – 15°
C. 8 – 10°
D. 18 – 22°

58. Which statement does NOT belong to the function of bearings?

A. To give free rotation to the shaft
B. To support the shaft
C. To guide the shaft
D. To transmit power

59. An instrument for measuring the degree of surface roughness in micro inches.
A. Caliper
B. Profilometer
C. Micrometer
D. Sclerescope

60. Is the process of cold works where a limited amount of material, resulted to a
higher strength and it leaves a surface under compressive stress?
A. surface finishing
B. surfacing
C. smoothing
D. surface rolling