Questions From the Philippine Mechanical Code

Questions from the Philippine Mechanical Code (PSME Code) 1. As a requirement for permit application, for any installation involving machine, mechanical equipment, general layout plan for each floor drawn should not be less than a. 1:200 b. 1:500 c. 1:1000 d. 1:100 2. Standard sheet sizes for mechanical plans and drawings shall be based on a width to length ratio of a. 1: sqrt (2) b. 1:sqrt(3) c. 1:3 d. 1:2 3. For commercial and industrial buildings, work rooms (referring to maintenance shop and machine room) shall be at least _______ height from floor to ceiling. a. 3 000 mm b. 2 000 mm c. 5 000 mm d. 4 000 mm 4. For guyed steel stacks, the angle between the stack and guy wire is usually a. 30º b. 45 º c. 60 º d. 75 º 5. It is a heavy wheel which by its inertia assists in securing uniform motion of machinery by resisting sudden changes of speed. a. cartwheel b. flywheel c. motor d. shaft 6. The extension of piston rod passing through a stuffing box in the outside area of an engine cylinder, compressor cylinder or pump cylinder. a. tail rod b. pin c. hub d. sprocket 7. Type A sprocket has a. one hub c. no hub b. two side hubs d. bolted hubs 8. The reciprocating machine part within a cylinder is called a. ram c. slide mandrel b. plunger d. all of the above 9. Fixed-mounted or movable hood guards covering the length of run of power chains. a. coupling guards c. belt guards b. chain guards d. hood guards 10. A boom type mobile crane mounted on endless tracks or thread belts. a. gantry crane c. locomotive crane b. jib crane d. crawler crane 11. A mechanical contrivance for raising or lowering a load. a. crane b. hoist c. rope d. chain 12. A horizontal arm for supporting a trolley or fall blocks which does not change its inclination with the horizontal. a. clevis b. boom c. hood d. jib 13. One hand signal for crane movement arm extended, palm down, hold position rigidly. a. stop b. lower c. hoist d. swing boom 14. Two hand signal for crane movement hold both arms horizontally at sides fully extend and move upward & return.

a. stop b. lower c. hoist d. swing boom 15. In elevator systems, a device designed to stop a descending car or counterweight beyond its lowest limit of travel. a. bumper b. buffer c. dumbwaiter d. hoist way 16. The minimum factor of safety for suspension wire rods with 1 500 feet per min (fpm) passenger elevator. a. 7.6 b. 9.5 c. 10 d. 11.9 17. A closed vessel in which steam or vapor is generated at a pressure of more than 1.055 kg/cm2 gage by direct application of heat. a. portable boiler c. locomotive boiler b. miniature boiler d. power boiler 18. Method of testing boiler integrity that uses x-rays to generate & record on film the imperfections or defects in the boiler tube material & welds. a. metallurgical replication c. vacuum testing b. ultrasonic thickness gauging d. radiographic testing 19. In the fire protection, class of fire in ordinary combustible materials such as cloth paper, rubber & many plastics. a. Class A b. Class B c. Class C d. Class D 20. An underground formation that contains sufficient saturated permeable material to yield significant quantities of water. a. aquifer b. water table c. porous layer d. well 21. Pipe color for acetylene. a. yellow b. green c. orange d. red 22. In metrology, it is a device used to determine whether the part has been made to the tolerance required and does not usually indicates a specific dimension. a. bevels c. gage b. dial indicator d. trammel 23. In manufacturing, process of making molds for the plastic and die casting industries. a. intraforming c. infiltration b. swaging d. hobbing 24. A copper-silicon alloy available in five slightly different nominal compositions for applications which require high strength, good fabricating, & fusing qualities. a. inconel c. everdur b. monel d. babbit 25. In instrumentation, it is a device whose function is to pass on information in an unchanged form or in some modified form. a. programmable logic controller (PLC) c. pilot light b. controller d. relay