1. INDUSTRIAL PROCESSES: Q2
1. A synthetic rubber widely used in pneumatic tires, shoe heels and soles, gaskets and chewing gums; It is a commodity
which competes with natural rubber.
A. Polyurethane B. Styrene Butadine C. Polybutadiene D. Epichlorohydrin
2. Type of glass used for automotives, aircrafts or motorbikes.
A. Fiber glass B. Laminated glass C. Toughened glass D. Rolled plate glass
3. The suggested maximum pressure drop to be considered in the design of safety valves (PSME CODE).
A. Less than 2 B. Equal to 2 C. One D. Greater than 2
4. It also known as “sewage gas,” a colorless gas with the odor of rotten eggs; Excessive exposure may cause loss of sense in
smell, causing people to mistakenly think that the gas has left the space.
A. Solvents B. Carbon Monoxide C. Hydrogen Sulfide D. Carbon Dioxide
5. A type of gases which don’t take part in combustion process nor react with other materials is called ___.
A. Flammable gas B. Compressed gas C. Onsite gas D. Inert gas
6. Which is NOT a type of fossil fuel?
A. Coal B. Natural Gas C. Biofuel D. Crude oil
7. One of the strongest ceramics, which has a bending strength similar to steel.
A. Silicon carbide B. Zirconium dioxide C. Silicon nitride D. Barium titanate
8. A material that is disposed burned or incinerated is termed as ___.
A. Recycled B. Abandoned C. Inherently waste-like D. Radioactive wastes
9. A wastewater treatment wherein a semi-permeable membrane is used to filter out chemicals and bacteria.
A. Reverse Osmosis Membranes C. Floatation
B. UV Disinfection D. Active Sludge Treatment
10. A material used in automotive manufacturing because it’s lighter and is designed to fold predictably and absorb force during
crash; An average percentage by weight of modern vehicles is 9%.
A. Aluminum B. Steel C. Rubber D. Plastic
11. The recommended design pressure of a pipe shall not exceed ____ of field test pressure.
A. 85% B. 90% C. 70% D. 75%
12. The recommended average fluid velocity of High pressure superheated steam inside a pipe is ___ m/min (PSME CODE).
A. 2,450 – 3,660 B. 3,050 – 4,570 C. 90 – 180 D. 6,100 – 7,300
13. It is the process focused on testing the products to uncover defects, and reporting to management who make the decision
to allow or deny the release of the product to the market.
A. Pre-production inspection C. Final random inspection
B. During production inspection D. All of the above
14. Layers of relative inextensible cords embedded in rubber tire to hold its shape by preventing the rubber from stretching in
response to the internal pressure.
A. Tread void B. Rain groove C. Ply D. Bead
15. A wastewater treatment process in which chemicals such as aluminum sulfate, ferrous sulfate, ferric sulfate and ferric
chloride, substance such as colloids can be combine to form clumps of solids that can settle and be remove from the
system.
A. Flocculation B. Chemical precipitation C. Neutralization D. Coagulation
16. Hospital waste such as cloth soiled with blood and other body fluids are categorized as ___.
A. Organic waste B. Toxic waste C. Soiled D. Recyclable
17. A ceramic made of clay is generally composed of ____.
A. 50% Clay, 30% Filler and 20% Fluxing agent C. 50% Clay, 25% Filler and 25% Fluxing agent
B. 40% Clay, 30% Filler and 40% Fluxing agent D. 40% Clay, 40% Filler and 20% Fluxing agent
18. An organic, nonmetallic solid material prepared by the action of heat and subsequent cooling, they have a crystalline
structure or can also be amorphous.
A. Ceramic B. Clay C. Glasses D. Abrasives
19. A type of oil that is produced by plants, animals, and other organisms through organic processes.
A. Mineral oil B. Petroleum C. Petrochemicals D. Organic oil
20. Identification color for pipe carrying water (PSME CODE).
A. Silver gray B. Violet C. Green D. Light blue

2. 21. A type of manufactured timber made from thin sheets of wood veneer; It is one of the most widely used wood product; It is
flexible, inexpensive, workable, reusable and can usually be locally manufactured.
A. Fiberboard B. Oriented strand board C. Masonite D. Plywood
22. Which among the choices is not a general requirement for piping (PSME CODE)?
A. All piping shall be run parallel to building walls
B. No piping carrying steam or hot liquids shall be imbedded in concrete walls
C. Galvanized piping shall be used for steam
D. All piping shall be free from burrs or protruding metals inside
23. A rich brown wood that is easy to work with, it is widely used as accents and inlays to dress up a project.
A. Maple B. Walnut C. Oak D. Mahogany
24. An environmental organization that provides guidelines for the establishment or improvement of Environmental Waste
Management.
A. ISO 9000 B. ISO 22000 C. ISO 2000 D. ISO 14000
25. Recommended factor safety factor for steam generator foundations (PSME CODE).
A. 2 B. 3 C. 5 D. 4
26. Identification color for pipe carrying oil-mineral vegetables (PSME CODE).
A. Brown B. Light Blue C. Silver gray D. White
27. Which is NOT an example of chemical wastewater treatment method?
A. Chlorination B. Neutralization C. Aerobic digestion D. Adsorption
28. An elbow with male thread on one end and female thread on the other end (PSME CODE).
A. Screwed elbow B. Bull head elbow C. Street elbow D. Saddle elbow
29. Wastes that can readily explode are characterized based on its ___.
A. Ignitability B. Reactivity C. Toxicity D. Corrosivity
30. Common piping material used for gas delivery applications.
A. AISI 347H stainless steel C. AISI 316L stainless steel
B. AISI 310S stainless steel D. AISI 304L stainless steel
31. When the working pressure is from 862 to 1207 kPa, it is referred to as ___ (PSME CODE).
A. Medium pressure B. High pressure C. Low pressure D. Standard pressure
32. A wastewater treatment process used to protect pumping equipment and facilitate subsequent treatment process; in this
stage, large solids (garbage like plastics, twigs, rags, gravel etc.) are removed through filtration, settling and the use of
screens, comminuting devices and grit chambers.
A. Preliminary B. Advance C. Primary D. Secondary
33. The recommended piping supports should be placed ____ (PSME CODE).
A. 3,000 mm intervals B. 2,500 mm intervals C. 2,000 mm intervals D. 1,500 mm intervals
34. The Poisson’s ratio for all ferrous materials (PSME CODE).
A. 0.18 B. 0.30 C. 0.45 D. 0.22
35. Type of ceramics suitable for table wares, wall tiles, pottery products and sanitary wares.
A. Technical Ceramics B. Structural Ceramics C. Refractory Ceramics D. Whiteware Ceramics
36. It is the process of removing contaminants using soap and water or sometimes strong solvent before painting process is
done.
A. Applying body filler B. Sanding C. Coating D. Degreasing
37. Any boiler or unfired pressure vessel constructed, installed, placed in operation but subject to annual inspection is termed
as ___ (PSME CODE).
A. New Boiler B. Existing installations C. Portable boiler D. Second hand boiler
38. What is the primary reason of increase in fuel consumption?
A. Tire inflation B. Excessive idling C. Lubricant specification D. Engine Timing
39. A wastewater treatment process where in air is introduced to the wastewater through compressed air or mechanical
agitation, this process collects suspended solids into heavier masses to help settle readily in the sedimentation process and
also the separation of grease and oil.
A. Pre-chlorination B. Pre-aeration C. Sedimentation D. Screening
40. It is an oil refinery processing unit that converts the residual oil from the vacuum distillation column or the atmospheric
distillation column into low molecular weight hydrocarbon gases.
A. Coker B. Distillate HDS C. Hydrocracker D. Reformer

3. 41. What is the primary reason of increase in fuel consumption?
A. Load carried by the engine C. Unmaintained engine
B. Intermittent acceleration D. Frequent braking
42. A method utilized for manufacturing ceramic objects and also used in powder metallurgy; It is done by heating the material
in a furnace below its melting point until its particles adhere to each other.
A. Firing B. Sintering C. Slip Casting D. Molding
43. Final automotive assembly operation wherein other parts are assembled such as bumpers, seats, windows, wheels and
others is generally termed as ___.
A. Trim B. Chassis C. Final 1 D. Final 2
44. Recommended mileage for change oil.
A. 5000 B. 3000 C. 7000 D. 6000
45. Identification color for pipe carrying acids and alkalis (PSME CODE).
A. Black B. Safety red C. Light orange D. Violet
46. The allowable stress in material in kPa and which shall be taken as not less than ___ percent of the specified yield point of
the material (PSME CODE).
A. 50 B. 30 C. 20 D. 10
47. A cast-iron heat-treated to reduce its brittleness; The process enables the materials to stretch to some extent and to stand
greater shock (PSME CODE).
A. Wrought iron B. Malleable iron C. Carbon steel D. Galvanized steel
48. Which among the group will take time to degenerate?
A. Organic waste such as vegetable and fruit peels, leftover foodstuff, etc
B. Cotton Cloth
C. Wood
D. Tin, aluminum and other metal items such as cans
49. A fitting with a number of branches in line connecting to smaller pipes (PSME CODE).
A. Flange B. Tee C. Valve D. Manifold
50. A solid waste that contains infectious chemicals that may cause irreversible illness or pose substantial hazard to human life.
A. Hazardous waste B. Municipal solid waste C. Hospital waste D. Residential waste
51. At this stage, the body of the automobile meets the chassis; the shell is robotically lifted from its conveyor fixture and
placed onto the car frame; Assembly workers bolt the car body to the frame.
A. Mate B. Interior assembly C. Paint D. Body
52. Which is NOT an inert gas?
A. Oxygen B. Nitrogen C. Helium D. Xenon
53. Which is NOT considered in piping stress analysis (PSME CODE)?
A. Pressure, internal or external
B. General layout plan
C. Weight of pipe, fittings and valves, containing fluid and insulation
D. Thermal expansion
54. A type of wood used for outdoor projects because of its resistance to moisture, it is relatively soft (2 on a scale of 1 to 4)
and is moderately priced.
A. Fir B. Pine C. Redwood D. Engineered wood
55. The specific heat ratio used for steam (PSME CODE).
A. 1.4 B. 1.67 C. 1.3 D. 1.8
56. The alkalinity of the feed water of a boiler should not exceed ___ percent of total concentration.
A. 20 B. 30 C. 40 D. 50
57. Steam generators (boilers) should preferably located in detached buildings of fire resistant constructions not less than ___
meter distance from buildings (PSME CODE).
A. 2 B. 4 C. 3 D. 5
58. ASTM described in PSME CODE is an acronym that stands for ___.
A. American Standard Test Method C. American Society for Testing and Materials
B. Air Single Temperature Metering D. Augmented Soft Tissue Mobilization
59. Principal source of metallic aluminum.
A. Sandstone B. Corundum C. Alumina D. Bauxite
60. A valve designed to allow a fluid to pass through one direction only (PSME CODE).
A. Check valve B. Relief valve C. Gate valve D. Globe valve

4. 61. Which is NOT followed in installing a boiler (PSME CODE)?
A. Two check valves should be provided between any feed pump and boiler
B. Where two or more steam generators will be connected in parallel each steam outlet should be provided a globe
valve
C. All construction features of boilers should be in conformity with the PSME Boiler Construction Code
D. When feeding hot water, feed pump should at least be 1,220 mm below hot well to prevent vapor lock
62. It is a manufacturing method in which parts are added to a product in sequential manner using optimally planned logistics
to create a finished product faster.
A. Batch method B. Process method C. Flow method D. Job method
63. A process that takes the unstable latex and under the presence of heat adds sulfur to form a harder and more stable
product.
A. Tree tapping B. Product formation C. Vulcanization D. Latex collection
64. According to studies, 50 percent of cars material is composed of ___.
A. Steel B. Aluminum C. Plastic D. Rubber
65. The allowable shearing stress for piping specifications.
A. 70% Specified Minimum Yield Strength C. 66% Specified Minimum Yield Strength
B. 90% Specified Minimum Yield Strength D. 45% Specified Minimum Yield Strength
66. Steel pipe that has not been galvanized (PSME CODE).
A. Carbon steel pipe B. Wrought pipe C. Black pipe D. Bonnet pipe
67. The lowest factor of safety permissible on existing installation ___ (PSME CODE).
A. 3 B. 4 C. 5 D. 6
68. A process wherein the ceramic powder is heated into a tube and a piston is forced inside the tube; it is followed by cooling
and when the object has solidified, the mold is opened and the ceramic piece is removed.
A. Injection molding B. Plastic casting C. Tape forming D. Extrusion
69. The major greenhouse gas is ___.
A. Carbon dioxide B. Methane C. Ozone D. Water vapor
70. The age limit of horizontal return tubular, flue or cylinder boiler having a longitudinal lap joint and operating in excess of
345 kPa shall be ___ years (PSME CODE).
A. 40 B. 35 C. 30 D. 25
71. Gasket material for piping suitable for temperatures above 121 deg C (PSME CODE).
A. Paper B. Vegetable fiber C. Rubber D. Asbestos
72. A test done wherein the shell or drum of a boiler or unfired pressure vessels, including the tubes are tested for efficiency
(PSME CODE).
A. Hydrostatic pressure test C. Low water test
B. Lap seam crack test D. Fuel cut-off test
73. A closed vessel in which steam or other vapor (to be used externally to itself) is generated at a pressure of more than 1.055
kg/cm2 gage by the direct application of heat (PSME CODE).
A. Power Boiler B. Locomotive Boiler C. Condemned Boiler D. Miniature Boiler
74. The minimum factor of safety applied for piping (PSME CODE).
A. 2 B. 3 C. 4 D. 5
75. The method of waste disposal where in wastes are collected and reused.
A. Incineration B. Integrated waste management C. Recycling D. Landfill
76. A method of gas delivery where in tanker trucks transport high-purity gases from the gas company’s production plants to
bulk storage tanks located at the manufacturing facility site.
A. Individual gas delivery B. Bulk delivery C. Onsite gas production plant D. Tube trailer
77. Ammonia, ethylene, hydrogen, methane and silane are ____.
A. Flammable gases B. Compressed gases C. Onsite gases D. Inert gases
78. The minimum pipe diameter to be flanged is ___ (PSME CODE).
A. 52 B. 30 C. 43 D. 63
79. It is an oil refinery processing unit where in the mixing of two fuels is done, usually a heavy fuel and marine diesel oil.
A. Crude Unit B. Blender C. Heater D. Oil Tanker
80. Large radiuses bend in a pipe line to absorb longitudinal expansion in the pipeline due to heat (PSME CODE).
A. Cross-over B. Expansion loop C. Run D. Compression joint