WHICH OF THE FOLLOWING STATEMENTS ABOUT AIR COOLED CONDENSERS IS CORRECT?

1. Cooling Devices WHICH OF THE FOLLOWING STATEMENTS ABOUT AIR COOLED CONDENSERS IS CORRECT? A.MORE EXPENSIVE THAN WATER COOLED CONDENSERS. B.HIGH MAINTENANCE. C.LIMITED TO SMALL CAPACITIES (UNDER 200 TONS). D.ALL OF THE ABOVE.

2. WHICH OF THE FOLLOWING STATEMENTS ABOUT AIR COOLED CONDENSERS IS CORRECT? • A.MORE EXPENSIVE THAN WATER COOLED CONDENSERS. • B.HIGH MAINTENANCE. • C.LIMITED TO SMALL CAPACITIES (UNDER 200 TONS). • D.ALL OF THE ABOVE.

3. WHICH OF THE FOLLOWING STATEMENTS ABOUT RECIPROCATING COMPRESSORS IS CORRECT? • A.MAXIMUM CAPACITY OF 5000 TONS. • B.POTENTIAL VIBRATION PROBLEMS. • C.RELATIVELY MAINTENANCE FREE. • D.ALL OF THE ABOVE.

4. WHICH OF THE FOLLOWING STATEMENTS ABOUT RECIPROCATING COMPRESSORS IS CORRECT? • A.MAXIMUM CAPACITY OF 5000 TONS. • B.POTENTIAL VIBRATION PROBLEMS. • C.RELATIVELY MAINTENANCE FREE. • D.ALL OF THE ABOVE.

5. WHICH OF THE FOLLOWING STATEMENTS ABOUT DIRECT EXPANSION EVAPORATORS IS CORRECT? • A. AVAILABLE IN CAPACITIES OVER 1000 TONS. • B. THE FLUID THAT IMPARTS THE COOLING EFFECT IS THE REFRIGERANT. • C. THE CONDENSER AND THE EVAPORATOR CANNOT BE MORE THAN 10 FEET APART. • D. ALL OF THE ABOVE.

6. WHICH OF THE FOLLOWING STATEMENTS ABOUT DIRECT EXPANSION EVAPORATORS IS CORRECT? • A. AVAILABLE IN CAPACITIES OVER 1000 TONS. • B. THE FLUID THAT IMPARTS THE COOLING EFFECT IS THE REFRIGERANT. • C. THE CONDENSER AND THE EVAPORATOR CANNOT BE MORE THAN 10 FEET APART. • D. ALL OF THE ABOVE.

7. WHICH OF THE FOLLOWING STATEMENTS ABOUT ABSORPTION SYSTEMS IS CORRECT? • A. LOW MAINTENANCE. • B. QUIET OPERATION. • C. REQUIRES LARGE AMOUNTS OF STEAM. • D. ALL OF THE ABOVE.

8. WHICH OF THE FOLLOWING STATEMENTS ABOUT ABSORPTION SYSTEMS IS CORRECT? • A. LOW MAINTENANCE. • B. QUIET OPERATION. • C. REQUIRES LARGE AMOUNTS OF STEAM. • D. ALL OF THE ABOVE.

9. WHICH OF THE FOLLOWING IS A CHARACTERISTIC OF WINDOW AIR CONDITIONERS? • A. AVAILABLE IN SIZES UP TO 25 TONS. • B. LONG LIFE. • C. QUIET OPERATION. • D. CONDENSATE LEAKS OR OVERFLOW MAY STREAK WALLS OR DRIP ON SIDEWALKS.

10. WHICH OF THE FOLLOWING IS A CHARACTERISTIC OF WINDOW AIR CONDITIONERS? • A. AVAILABLE IN SIZES UP TO 25 TONS. • B. LONG LIFE. • C. QUIET OPERATION. • D. CONDENSATE LEAKS OR OVERFLOW MAY STREAK WALLS OR DRIP ON SIDEWALKS.

11. UNITARY SYSTEMS • WHICH OF THE FOLLOWING IS AN APPLICATION OF THROUGH-THE-WALL UNITS? • A. HOTELS & MOTELS. • B. APARTMENTS & DORMITORIES. • C. SCHOOL BUILDINGS. • D. ALL OF THE ABOVE.

12. WHICH OF THE FOLLOWING IS AN APPLICATION OF THROUGH-THE-WALL UNITS? • A. HOTELS & MOTELS. • B. APARTMENTS & DORMITORIES. • C. SCHOOL BUILDINGS. • D. ALL OF THE ABOVE.

13. WHICH OF THE FOLLOWING IS A CHARACTERISTIC OF ROOFTOP UNITS? • A. LIMITED TO ONE-STORY APPLICATIONS. • B. QUIET OPERATION. • C. ALLOWS SEPARATE & INDEPENDENT CONTROL OF RELATIVELY SMALL AREAS WITHIN THE BUILDING. • D. ALL OF THE ABOVE.

14. WHICH OF THE FOLLOWING IS A CHARACTERISTIC OF ROOFTOP UNITS? • A. LIMITED TO ONE-STORY APPLICATIONS. • B. QUIET OPERATION. • C. ALLOWS SEPARATE & INDEPENDENT CONTROL OF RELATIVELY SMALL AREAS WITHIN THE BUILDING. • D. ALL OF THE ABOVE.

15. WHICH OF THE FOLLOWING IS AN ADVANTAGE OF UNITARY SYSTEMS OVER CENTRAL SYSTEMS? • A. LOWER INITIAL COSTS. • B. EASIER TO INSTALL. • C. EQUIPMENT MALFUNCTION AFFECTS ONLY ONE ZONE. • D. ALL OF THE ABOVE.

16. WHICH OF THE FOLLOWING IS AN ADVANTAGE OF UNITARY SYSTEMS OVER CENTRAL SYSTEMS? • A. LOWER INITIAL COSTS. • B. EASIER TO INSTALL. • C. EQUIPMENT MALFUNCTION AFFECTS ONLY ONE ZONE. • D. ALL OF THE ABOVE.

17. HEAT PUMPS • WHICH OF THE FOLLOWING IS A CHARACTERISTIC OF HEAT PUMPS? • A. PROVIDE HEATING ONLY. • B. QUIET OPERATION. • C. REQUIRES NO ON SITE COMBUSTION. • D. ALL OF THE ABOVE.

18. WHICH OF THE FOLLOWING IS A CHARACTERISTIC OF HEAT PUMPS? • A. PROVIDE HEATING ONLY. • B. QUIET OPERATION. • C. REQUIRES NO ON SITE COMBUSTION. • D. ALL OF THE ABOVE.

19. WHICH OF THE FOLLOWING APPLICATIONS IS BEST SUITED TO A CLOSED LOOP HEAT PUMP? • A. SMALL SCALE HEATING ONLY APPLICATION. • B. APPLICATIONS UNDER 5,000 SQUARE FEET. • C. LARGE SCALE, HEATING ONLY APPLICATIONS. •  D. APPLICATIONS REQUIRING NEARLY BALANCED SIMULTANEOUS HEATING AND COOLING.

20. WHICH OF THE FOLLOWING APPLICATIONS IS BEST SUITED TO A CLOSED LOOP HEAT PUMP? • A. SMALL SCALE HEATING ONLY APPLICATION. • B. APPLICATIONS UNDER 5,000 SQUARE FEET. • C. LARGE SCALE, HEATING ONLY APPLICATIONS. • D. APPLICATIONS REQUIRING NEARLY BALANCED SIMULTANEOUS HEATING AND COOLING.

21. DESIGN CONSIDERATIONS • WHICH OF THE FOLLOWING STATEMENTS ABOUT MECHANICAL ROOMS IS INCORRECT? • A. AN INTAKE GRILLE IS REQUIRED FOR COMBUSTION AIR. • B. A DOOR OR A REMOVABLE PANEL IS REQUIRED FOR REMOVAL & REPLACEMENT OF THE BOILER. • C. THE MECHANICAL ROOM MUST BE LOCATED IN THE BASEMENT. • D. ALL OF THE ABOVE.

22. WHICH OF THE FOLLOWING STATEMENTS ABOUT MECHANICAL ROOMS IS INCORRECT? • A. AN INTAKE GRILLE IS REQUIRED FOR COMBUSTION AIR. • B. A DOOR OR A REMOVABLE PANEL IS REQUIRED FOR REMOVAL & REPLACEMENT OF THE BOILER. • C. THE MECHANICAL ROOM MUST BE LOCATED IN THE BASEMENT. • D. ALL OF THE ABOVE.

23. WHICH OF THE FOLLOWING STATEMENTS ABOUT COOLING TOWERS IS INCORRECT? • A. IF LOCATED ON THE GROUND, THEY SHOULD BE AT LEAST 100 FEET FROM THE BUILDING. • B. THEY REQUIRE ABOUT ONE SQUARE FOOT OF PLAN AREA PER TON OF REFRIGERATION • C. THEY ARE ABOUT 4 TO 5 FEET IN HEIGHT. • D. ALL OF THE ABOVE.

24. WHICH OF THE FOLLOWING STATEMENTS ABOUT COOLING TOWERS IS INCORRECT? • A. IF LOCATED ON THE GROUND, THEY SHOULD BE AT LEAST 100 FEET FROM THE BUILDING. • B. THEY REQUIRE ABOUT ONE SQUARE FOOT OF PLAN AREA PER TON OF REFRIGERATION  • C. THEY ARE ABOUT 4 TO 5 FEET IN HEIGHT. • D. ALL OF THE ABOVE.

25. WHICH OF THE FOLLOWING STATEMENTS ABOUT FAN ROOMS IS INCORRECT? • A. THEY SHOULD BE CLOSE TO DISTRIBUTION SHAFTS. • B. THEY SHOULD BE NEAR AN OUTSIDE WALL • C. MULTIPLE FAN ROOM LOCATIONS FACILITATES ZONING. • D. FAN ROOMS HAVE A MAXIMUM VERTICAL REACH OF 5 STORIES.

26. WHICH OF THE FOLLOWING STATEMENTS ABOUT FAN ROOMS IS INCORRECT? • A. THEY SHOULD BE CLOSE TO DISTRIBUTION SHAFTS. • B. THEY SHOULD BE NEAR AN OUTSIDE WALL  • C. MULTIPLE FAN ROOM LOCATIONS FACILITATES ZONING.  • D. FAN ROOMS HAVE A MAXIMUM VERTICAL REACH OF 5 STORIES.

27. AIR DISTRUBUTION • IN A LOW CEILINGED SPACE WHERE THE LOAD IS PRIMARILY COOLING, WHERE SHOULD SUPPLY & RETURNS BE PLACED? • A. SUPPLY IN THE CEILING & RETURN IN THE FLOOR • B. SUPPLY LOW ON AN OUTSIDE WALL & RETURN LOW ON AN INSIDE WALL. • C. SUPPLY LOW ON AN OUTSIDE WALL & RETURN HIGH ON AN INSIDE WALL • D. SUPPLY AND RETURN IN THE CEILING.

28. IN A HEATING ONLY APPLICATION, WHERE SHOULD SUPPLY & RETURNS BE PLACED? • A. SUPPLY IN THE CEILING & RETURN IN THE FLOOR. • B. SUPPLY LOW ON AN OUTSIDE WALL & RETURN LOW ON AN INSIDE WALL • C. SUPPLY LOW ON AN OUTSIDE WALL & RETURN HIGH ON AN INSIDE WALL. • D. SUPPLY AND RETURN IN THE CEILING

29. IN A HEATING ONLY APPLICATION, WHERE SHOULD SUPPLY & RETURNS BE PLACED? • A. SUPPLY IN THE CEILING & RETURN IN THE FLOOR. • B. SUPPLY LOW ON AN OUTSIDE WALL & RETURN LOW ON AN INSIDE WALL  • C. SUPPLY LOW ON AN OUTSIDE WALL & RETURN HIGH ON AN INSIDE WALL. • D. SUPPLY AND RETURN IN THE CELING

30. IN A HEATING & COOLING APPLICATION WHERE HEATING IS THE DOMINATE LOAD, WHERE SHOULD SUPPLY & RETURNS BE PLACED? • A. SUPPLY IN THE CEILING & RETURN IN THE FLOOR. • B. SUPPLY LOW ON AN OUTSIDE WALL & RETURN LOW ON AN INSIDE WALL. • C. SUPPLY LOW ON AN OUTSIDE WALL & RETURN HIGH ON AN INSIDE WALL. • D. SUPPLY AND RETURN IN THE CEILING

31. IN A HEATING & COOLING APPLICATION WHERE HEATING IS THE DOMINATE LOAD, WHERE SHOULD SUPPLY & RETURNS BE PLACED? • A. SUPPLY IN THE CEILING & RETURN IN THE FLOOR. • B. SUPPLY LOW ON AN OUTSIDE WALL & RETURN LOW ON AN INSIDE WALL. • C. SUPPLY LOW ON AN OUTSIDE WALL & RETURN HIGH ON AN INSIDE WALL. • D. SUPPLY AND RETURN IN THE CEILING

32. IN A HIGH CEILINGED SPACE WHERE THE DOMINATE LOAD IS COOLING & STRATIFICATION IS DESIRED, WHERE SHOULD SUPPLY & RETURNS BE PLACED? • A. SUPPLY IN THE CEILING & RETURN IN THE FLOOR. • B. SUPPLY LOW ON AN OUTSIDE WALL & RETURN LOW ON AN INSIDE WALL. • C. SUPPLY AND RETURN IN A SIDE WALL LOCATION. • D. SUPPLY AND RETURN IN THE CEILING.

33. IN A HIGH CEILINGED SPACE WHERE THE DOMINATE LOAD IS COOLING & STRATIFICATION IS DESIRED, WHERE SHOULD SUPPLY & RETURNS BE PLACED? • A. SUPPLY IN THE CEILING & RETURN IN THE FLOOR. • B. SUPPLY LOW ON AN OUTSIDE WALL & RETURN LOW ON AN INSIDE WALL. • C. SUPPLY AND RETURN IN A SIDE WALL LOCATION. • D. SUPPLY AND RETURN IN THE CEILING.

34. WHICH OF THE FOLLOWING ROOMS TYPICALLY REQUIRE LOCALIZED EXHAUST? • A. KITCHENS. • B. BATHROOMS. • C. LABORATORIES. • D. ALL OF THE ABOVE.

35. WHICH OF THE FOLLOWING ROOMS TYPICALLY REQUIRE LOCALIZED EXHAUST? • A. KITCHENS. • B. BATHROOMS. • C. LABORATORIES. • D. ALL OF THE ABOVE.

36. WHICH OF THE FOLLOWING SYSTEMS WOULD BE BEST SUITED TO PROVIDING LARGE QUANTITIES OF MAKE-UP AIR? • A. WATER SYSTEM WITH FANCOIL UNITS. • B. ROOFTOP UNITARY SYSTEMS. • C. HYDRONIC SYSTEM WITH BASEBOARD CONVECTORS. • D. ALL-AIR SYSTEMS.

37. WHICH OF THE FOLLOWING SYSTEMS WOULD BE BEST SUITED TO PROVIDING LARGE QUANTITIES OF MAKE-UP AIR? • A. WATER SYSTEM WITH FANCOIL UNITS. • B. ROOFTOP UNITARY SYSTEMS. • C. HYDRONIC SYSTEM WITH BASEBOARD CONVECTORS. • D. ALL-AIR SYSTEMS.

38. EXAM 1 REVIEW • THE WALL FIREPLACE WAS INVENTED IN WHICH OF THE FOLLOWING CENTURIES? • A. 8THCENTURY. • B. 11THCENTURY. • C. 14THCENTURY. • D. 16THCENTURY.

39. THE WALL FIREPLACE WAS INVENTED IN WHICH OF THE FOLLOWING CENTURIES? • A. 8TH CENTURY. • B. 11TH CENTURY. • C. 14TH CENTURY. • D. 16TH CENTURY.

40. WHICH OF THE FOLLOWING IS THE SINGLE MOST IMPORTANT INDEX OF COMFORT? • A. WET-BULB TEMPERATURE. • B. MEAN RADIANT TEMPERATURE. • C. RELATIVE HUMIDITY. • D. DRY-BULB TEMPERATURE.

41. WHICH OF THE FOLLOWING IS THE SINGLE MOST IMPORTANT INDEX OF COMFORT? • A. WET-BULB TEMPERATURE. • B. MEAN RADIANT TEMPERATURE. • C. RELATIVE HUMIDITY. • D. DRY-BULB TEMPERATURE.

42. WHICH OF THE FOLLOWING IS A CHARACTERISTIC OF GLOBE THERMOMETER TEMPERATURE? • A. EMPIRICALLY DERIVED. • B. TAKES INTO ACCOUNT DRY-BULB TEMPERATURE AND AIR MOVEMENT. • C. MEASURES THE NET RADIANT HEAT RECEIVED FROM THE SURROUNDING SURFACES. • D. ALL OF THE ABOVE.

43. WHICH OF THE FOLLOWING IS A CHARACTERISTIC OF GLOBE THERMOMETER TEMPERATURE? • A. EMPIRICALLY DERIVED. • B. TAKES INTO ACCOUNT DRY-BULB TEMPERATURE AND AIR MOVEMENT. • C. MEASURES THE NET RADIANT HEAT RECEIVED FROM THE SURROUNDING SURFACES. • D. ALL OF THE ABOVE.

44. WHICH OF THE FOLLOWING ACTIVITIES WOULD BE HIGHEST ON THE MET SCALE? • A. SLEEPING. • B. SEATED & WRITING. • C. DANCING. • D. WALKING.

45. WHICH OF THE FOLLOWING ACTIVITIES WOULD BE HIGHEST ON THE MET SCALE? • A. SLEEPING. • B. SEATED & WRITING. • C. DANCING. • D. WALKING.

46. WHICH OF THE FOLLOWING IS A COLORLESS GAS WITH A PUNGENT IRRITATING ODOR? • A. RADON. • B. FORMALDEHYDE. • C. CARBON MONOXIDE. • D. NITROGEN OXIDE.

47. WHICH OF THE FOLLOWING IS A COLORLESS GAS WITH A PUNGENT IRRITATING ODOR? • A. RADON. • B. FORMALDEHYDE. • C. CARBON MONOXIDE. • D. NITROGEN OXIDE.

48. WHICH OF THE FOLLOWING IS THE NUMBER OF HOURS REQUIRED FOR ONE BTU TO FLOW THROUGH ONE SQUARE FOOT OF MATERIAL, ONE INCH THICK, WHEN THE TEMPERATURE DROP IS ONE DEGREE F? • A. CONDUCTIVITY. • B. CONDUCTANCE. • C. RESISTIVITY. • D. RESISTANCE.

49. WHICH OF THE FOLLOWING IS THE NUMBER OF HOURS REQUIRED FOR ONE BTU TO FLOW THROUGH ONE SQUARE FOOT OF MATERIAL, ONE INCH THICK, WHEN THE TEMPERATURE DROP IS ONE DEGREE F? • A. CONDUCTIVITY. • B. CONDUCTANCE. • C. RESISTIVITY. • D. RESISTANCE.

50. EXAM 2 REVIEW • WHERE SHOULD VAPOR BARRIERS BE PLACED? • A. OUTSIDE SURFACE (COLD SIDE). • B. CORE OF WALL ASSEMBLY. • C. INSIDE SURFACE (WARM SIDE). • D. BOTH INSIDE & OUTSIDE SURFACE.