2. Poison's ratio is the ratio of:
A. shear strain to compressive strain
B. elastic limit to compressive strain
C. lateral strain to longitudinal strain
D. elastic limit to proportional limit
3. Cold working of steel plates
make the metal:
A. harder
B. tougher
C. more ductile
D. more malleable
11. Ability to resist deformation
under stress:
A. plasticity
B. stiffness
C. toughness
D. all of these
12. A lathe machine threading
mechanism:
A. spindle gear
B. reverse gear and lever
C. change stud gear
D. all of these
13. Normal stress relieving temperature
for cast steel:
A. 200 to 350 degrees F
B. 400 to 500 degrees F
C. 300 to 400 degrees F
D. 450 to 550 degrees F
14. The three moment of equation
may be used to analyze:
A. tapered column
B. composite beam
C. continuous beam
D. axially and loaded beam
15. The ability of a metal to be
deformed considerably
without rupture is called:
A. plasticity
B. ductility
C. malleability
D. all of these
16. One of the following materials is
not mentioned for wire rope
pulley/sheave applications.
A. plastic
B. iron
C. paper
D. copper alloy
17. In greater quantity, this
element is harmful to the
molten ferrous metal.
A. silicon
B. aluminum
C. oxides
D. sulfur
18. Some experiments made at Cornell
University showed that experience
mechanic could break a _____ bolt due
to nut tightening.
A. 3/8 inch
B. 5/8 inch
C. 1/2 inch
D. 7/16 inch
19. The arc of action to circular pitch
or length of action to base pitch.
A. approach ratio
B. contact ratio
C. arc of action
D. arc of approach
20. Which of the following product of
combustion that has a property
of resilience?
A. rubber
B. grease
C. graphite power
D. graphite electrode
21. The brittleness in steel at
elevated temperature is:
A. hard drawn
B. red shortness
C. cold lap
D. residual stresses
22. Common defects encountered in the
foundry shop steel casting operating
and also in welding practices.
A. cracks
B. cold shot
C. parting line
D. blow/pin holes
23. The minimum recommended
worm pitch diameter is 1/4 in. and
the maximum is _____ in.
A. 1 3/4 in
B. 2 3/4 in
C. 3 in
D. 2 in
24. To prevent engine vibration to affect the
surrounding area, it is a standard
practice to isolate the engine and its
foundation by at least _______ mm.
A. 20
B. 30
C. 25
D. 36
25. The number of protons in the nucleus
of an atom of the number of
electrons in the orbit of an atom:
A. atomic volume
B. atomic number
C. atomic weight
D. atomic mass
26. What amount of air is required in
a low bypass factor?
A. greater
B. indeterminate
C. lesser
D. does not change
27. What keeps the moisture from
passing through the system?
A. trap
B. aerator
C. dehydrator
D. humidifier
28. A theoretical body which when
heated to incandescence would emit
a continuous light-ray spectrum:
A. black body
B. black body radiation
C. blue body
D. white body
29. Ignition of the air fuel mixture in
the intake of the exhaust
manifold:
A. backlash
B. backfire
C. exhaust pressure
D. back pressure
30. Heat transfer due to heat
differential: ???
A. radiation
B. conduction
C. convection
D. nuclear
31. Is the property of lubricant that will
start burning:
A. pour point
B. solid point
C. fire point
D. flash point
32. In radiation, the heat
transfer depends on:
A. temperature
B. heat rays
C. heat flow cold to hot
D. humidity
33. The main cause of air pollution as
a result of burning fuel oil is:
A. sulfur dioxide
B. hydrogen dioxide
C. silicon dioxide
D. nitrogen dioxide
34. Number of molecules in a mole of
any substance is a constant
called:
A. Rankine cycle
B. Otto cycle
C. Avogadro’s number
D. Thompson constant
35. What is an apparatus used in
the analysis of combustible
gases?
A. calorimeter differential
B. calorimeter gas
C. calorimeter
D. Calorimetry
36. A device for measuring the
velocity of wind:
A. aneroid barometer
B. anemometer
C. anemoscope
D. anemograph
37. Which is used as a moderator
in certain types of nuclear
reactors?
A. vapor
B. heavy water
C. hot water
D. cold water
38. What is the force required to
accelerate a mass of 1 gram at a
rate of 1 cm/sec/sec?
A. dyne
B. poundal
C. slug
D. kg force
39. Foundations are preferably built of
concrete in the proportion of what
measures of Portland cement: san:
crushed stones?
A. 1:2:5
B. 2:4:6
C. 2:3:4
D. 1:2:4
40. The color of lubricating oil
indicates:
A. does not indicated
contamination
B. does not indicates qualities
C. qualities
D. viscosity
41. The components of a
rotary pump: ???
A. gears
B. piston
C. impeller
D. screw
42. What is the term used in to
express the ratio of specific
humidities, actual versus
saturated?
A. relative humidity
B. degree of saturation
C. absolute humidity
D. percent
43. In a diesel engine, what elements in
the fuel that make to work of the
lubricant more difficult? ???
A. water and ash content
B. high octane number
C. high cetane number
D. sulphur and asphaltene content
44. Enthalpy of an ideal gas is a
function only of:
A. entropy
B. internal energy
C. temperature
D. pressure
53. For positive slip, the
coefficient of discharge:???
A. increases
B. decreases
C. zero
D. constant
54. . __________ is the name applied
to reciprocating circular motion as
that of a pendulum.
A. intermittent motion
B. reciprocating motion
C. oscillation
D. momentum
55. Not part and in fact should not
be used in the steel melting
process.
A. silicon
B. zinc
C. aluminum
D. coke
56. Iron based alloy containing 9-
16% chromium.
A. stainless steel
B. Mn Hadfield steel
C. chrome-alloy steel
D. high chrome steel
57. In a cutting tool the cutting
end can also be generally
called ____.
A. end cutting edge
B. back rake
C. side rake
D. nose
58. An example of rectilinear
translation:
A. locomotive wheels
B. rack gear
C. piston of an engine
D. jack
59. All terms and abbreviations deal with
wire rope arrangement except this
___ which deals with wire rope
material strength.
A. Mps
B. preformed
C. IWRC
D. lang lay
60. A tool not belonging to the
group:
A. hermaphrodite caliper
B. divider
C. double VEE block
D. trammel
63. Most effective alloying element
for reducing brittleness of steel at
very low temperature:
A. manganese
B. molybdenum
C. nickel
D. silicon
64. For a high corrosion resistant
stainless steel, what minimum
chromium content is required?
A. 4.3%
B. 8%
C. 1.1%
D. 5.8%
65. The phenomenon of continuous
stretching under load even if the
stress is less than the yield point:
A. creep
B. elasticity
C. ductility
D. plasticity
66. Killed steel is always
associated with:
A. manganese
B. silicon
C. phosphorus
D. sulfur
67. Good stabilizer in stainless
steel
A. columbium
B. titanium
C. tantalum
D. all of these
68. It is considered semi-solid
lubricant:
A. lube oil
B. graphite
C. grease
D. all of these
69. Moment of inertia is also called:
A. weep strength
B. modulus of elasticity
C. radius of gyration
D. none of these
70. The recommended lubricant for the
chain drive operation.
A. moly slip
B. SAE 4140
C. Petroleum oil
D. heavy grease
71. Maximum plant capacity in which a
licensed ME is allowed to
operate, tend or maintain.
A. 2000 kw
B. 1000 kw
C. 300 kw
D. 3000 kw
72. Commonly used steel melter as
deoxidizer because of its easy
availability and cheap price.
A. silicon
B. manganese
C. aluminum
D. zinc
73. Internal stress exerted by the fibers to
resist the action of outside force is
called______.
A. tensile stress
B. ultimate stress
C. compressive stress
D. shearing stress
74. Not part of the headstock.
A. back gear
B. spindle
C. anvil
D. motor
75. What is the recommended cutting
speed range for bronze in fpm?
A. 60/70
B. 200/250
C. 100/110
D. 80/60
