MCQs > Engineering & Manufacturing > Architectural Engineering MCQs > Environmental Control Systems MCQs

Environmental Control Systems MCQ

1. Electrolytes serve several purposes in the body including __________

Answer

Correct Answer: Nerve and muscle function and fluid balance

Note: This Question is unanswered, help us to find answer for this one

2. What does a biotic ecosystem consist of?

Answer

Correct Answer: Biological components

Note: This Question is unanswered, help us to find answer for this one

3. What is an abiotic ecosystem?

Answer

Correct Answer: An ecosystem that consists of nonliving components

Note: This Question is unanswered, help us to find answer for this one

4. What are the consequences of greenhouse gases?

Answer

Correct Answer: The greenhouse gases trap heat from the sun and cause the Earth's surface to warm up.

Note: This Question is unanswered, help us to find answer for this one

5. What is the biosphere?

Answer

Correct Answer: The global ecosystem where all life is interconnected

Note: This Question is unanswered, help us to find answer for this one

6. What is the geosphere?

Answer

Correct Answer: The part of Earth consisting of the crust and mantle.

Note: This Question is unanswered, help us to find answer for this one

7. What is the hydrosphere?

Answer

Correct Answer: The water on and surrounding the earth

Note: This Question is unanswered, help us to find answer for this one

8. How high is the stratosphere from the sea level?

Answer

Correct Answer: 11-30 km

Note: This Question is unanswered, help us to find answer for this one

9. What is the stratosphere?

Answer

Correct Answer: A layer of Earth's atmosphere between the troposphere and the mesosphere

Note: This Question is unanswered, help us to find answer for this one

10. What is the inner layer about 11 seal level called?

Answer

Correct Answer: Troposphere

Note: This Question is unanswered, help us to find answer for this one

11. What is the quality of matter?

Answer

Correct Answer: A measure of how useful a form of matter is to humans as a resource.

Note: This Question is unanswered, help us to find answer for this one

12. What is the DO model used for?

Answer

Correct Answer: To predict profile of DO concentration downstream from a waste discharge

Note: This Question is unanswered, help us to find answer for this one

13. What are indicator organisms?

Answer

Correct Answer: Commonly used bacteria to determine the level of pollution in water

Note: This Question is unanswered, help us to find answer for this one

14. The 5 Kingdoms are Animal, Plates, Fungi, Protista, and _____.

Answer

Correct Answer: Bacteria

Note: This Question is unanswered, help us to find answer for this one

15. What does TOC stand for?

Answer

Correct Answer: Total organic carbon

Note: This Question is unanswered, help us to find answer for this one

16. What is the amount of oxygen required to oxidize ammonia to nitrate?

Answer

Correct Answer: Nitrogenous BOD

Note: This Question is unanswered, help us to find answer for this one

17. What is nitrification?

Answer

Correct Answer: The biological oxidation of ammonia with oxygen into nitrite, then nitrate

Note: This Question is unanswered, help us to find answer for this one

18. What is the amount of oxygen required for biological decomposition of organic matter?

Answer

Correct Answer: Biochemical oxygen demand (BOD)

Note: This Question is unanswered, help us to find answer for this one

19. What is a common chemical in industrial discharge?

Answer

Correct Answer: A known or suspected human health and/or environmental effect.

Note: This Question is unanswered, help us to find answer for this one

20. Which of the following are major sources of nutrients?

Answer

Correct Answer: All of these

Note: This Question is unanswered, help us to find answer for this one

21. Nitrate is toxic to infants at ____ concentration

Answer

Correct Answer: High

Note: This Question is unanswered, help us to find answer for this one

22. Maximum acceptable concentration of nitrate for drinking water is ____

Answer

Correct Answer: 10 mg/L

Note: This Question is unanswered, help us to find answer for this one

23. Maximum acceptable concentration of nitrite for drinking water is ____

Answer

Correct Answer: 1.0 mg/L

Note: This Question is unanswered, help us to find answer for this one

24. Nitrite is toxic to most fish at what concentration?

Answer

Correct Answer: 0.1 mg/L

Note: This Question is unanswered, help us to find answer for this one

25. What is the fourth type of nitrogen?

Answer

Correct Answer: Nitrite

Note: This Question is unanswered, help us to find answer for this one

26. What is acidity?

Answer

Correct Answer: Ability of a water to neutralize bases

Note: This Question is unanswered, help us to find answer for this one

27. What is the definition of alkalinity?

Answer

Correct Answer: The ability of water to neutralize acids

Note: This Question is unanswered, help us to find answer for this one

28. What is the pH range of natural water?

Answer

Correct Answer: 6-9

Note: This Question is unanswered, help us to find answer for this one

29. What does temperature affect?

Answer

Correct Answer: Chemical and biological reaction rates, ecology of a water body and solubility of oxygen

Note: This Question is unanswered, help us to find answer for this one

30. What is turbidity?

Answer

Correct Answer: A measure of the light that is either absorbed or scattered by particles in water

Note: This Question is unanswered, help us to find answer for this one

31. What affects subsurface geologic formation?

Answer

Correct Answer: Both surface water and groundwater quality

Note: This Question is unanswered, help us to find answer for this one

32. What are three watershed characteristics?

Answer

Correct Answer: Topography, vegetation cover, wildlife

Note: This Question is unanswered, help us to find answer for this one

33. What is Trihalomethane?

Answer

Correct Answer: A reaction between chlorine and organic matter.

Note: This Question is unanswered, help us to find answer for this one

34. What are the 3 stages in the natural life cycle of water bodies?

Answer

Correct Answer: Oligotrophic, mesotropic, eutrophic

Note: This Question is unanswered, help us to find answer for this one

35. When water is in the solid state, it is best known as _____.

Answer

Correct Answer: Ice

Note: This Question is unanswered, help us to find answer for this one

36. What are the three main water uses?

Answer

Correct Answer: Municipal, industrial, agricultural

Note: This Question is unanswered, help us to find answer for this one

37. Which of the following is not a source of municipal wastewater?

Answer

Correct Answer: Groundwater infiltration

Note: This Question is unanswered, help us to find answer for this one

38. What does ground water refer to?

Answer

Correct Answer: All the water beneath the land surface

Note: This Question is unanswered, help us to find answer for this one

39. What is the definition of surface water sources?

Answer

Correct Answer: All water open to the atmosphere and subject to surface runoff

Note: This Question is unanswered, help us to find answer for this one

40. What is selective absorption?

Answer

Correct Answer: The absorption of a material of only certain wavelengths

Note: This Question is unanswered, help us to find answer for this one

41. What is the definition of "Reflected Glare?"

Answer

Correct Answer: Reflection of luminance of a task area

Note: This Question is unanswered, help us to find answer for this one

42. What is the average of a number of intensity figures taken from several directions?

Answer

Correct Answer: Mean spherical candlepower

Note: This Question is unanswered, help us to find answer for this one

43. What is the percentage of energy end use for space heating?

Answer

Correct Answer: 30%

Note: This Question is unanswered, help us to find answer for this one

44. What is Luminance?

Answer

Correct Answer: The intensity of light that arrives at the eye from a particular surface or area

Note: This Question is unanswered, help us to find answer for this one

45. What is the formula for determining the average maintained illuminance on working plane in a room?

Answer

Correct Answer: Lumen Method Calculation

Note: This Question is unanswered, help us to find answer for this one

46. What does lumen maintenance compare?

Answer

Correct Answer: Amount of light produced from source brand new to amount at a specific time in future

Note: This Question is unanswered, help us to find answer for this one

47. What is Lumen depreciation?

Answer

Correct Answer: Luminous flux lost over time

Note: This Question is unanswered, help us to find answer for this one

48. What is the purpose of Local and Supplementary lighting?

Answer

Correct Answer: To provide a restricted area of relatively high intensity

Note: This Question is unanswered, help us to find answer for this one

49. What is a lighting system?

Answer

Correct Answer: A combination of a particular lamp type and fixture type.

Note: This Question is unanswered, help us to find answer for this one

50. What is an incident light ray?

Answer

Correct Answer: A ray of light striking a surface

Note: This Question is unanswered, help us to find answer for this one

51. What is the primary source of illumination for horizontal illuminance?

Answer

Correct Answer: Reflective surfaces

Note: This Question is unanswered, help us to find answer for this one

52. General diffuse fixtures rely on what to distribute light?

Answer

Correct Answer: Light reflecting onto the walls

Note: This Question is unanswered, help us to find answer for this one

53. What is the biggest reason for eyestrain?

Answer

Correct Answer: The demanding nature of specific tasks

Note: This Question is unanswered, help us to find answer for this one

54. What does "exposure time" mean?

Answer

Correct Answer: Time it takes for eye to adjust

Note: This Question is unanswered, help us to find answer for this one

55. What is the ratio of lumens provided to watts of heat produced by a light source?

Answer

Correct Answer: Efficacy

Note: This Question is unanswered, help us to find answer for this one

56. What is discomfort glare?

Answer

Correct Answer: Immediate occurrence of light sources or luminance greater than what the eye can adapt to

Note: This Question is unanswered, help us to find answer for this one

57. What is disability glare?

Answer

Correct Answer: Luminance so intense that it impairs the vision.

Note: This Question is unanswered, help us to find answer for this one

58. What is the main characteristic of direct lighting?

Answer

Correct Answer: High reflectance

Note: This Question is unanswered, help us to find answer for this one

59. What is the cause of Direct Glare?

Answer

Correct Answer: Light sources

Note: This Question is unanswered, help us to find answer for this one

60. What is the main purpose of using direct concentrated down lights?

Answer

Correct Answer: For privacy and dramatic effect

Note: This Question is unanswered, help us to find answer for this one

61. What is diffuse reflection?

Answer

Correct Answer: Reflection of light from a rough surface in many directions

Note: This Question is unanswered, help us to find answer for this one

62. What is the ratio of interior illuminance to available outdoor illuminance called?

Answer

Correct Answer: Daylighting Factor

Note: This Question is unanswered, help us to find answer for this one

63. What is the purpose of task lighting?

Answer

Correct Answer: To provide light in specific areas for tasks

Note: This Question is unanswered, help us to find answer for this one

64. Which of the following is not a characteristic of a Fluorescent lamp?

Answer

Correct Answer: Switching

Note: This Question is unanswered, help us to find answer for this one

65. What is brightness?

Answer

Correct Answer: Percieved light amanting from an object

Note: This Question is unanswered, help us to find answer for this one

66. What are brightness patterns?

Answer

Correct Answer: Patterns of light and shadow

Note: This Question is unanswered, help us to find answer for this one

67. What is the definition of Adaption?

Answer

Correct Answer: Ability to adjust to various levels of light, see brightness of space in adaption level.

Note: This Question is unanswered, help us to find answer for this one

68. How is Payback Period calculated?

Answer

Correct Answer: By dividing initial investment by expected yearly savings

Note: This Question is unanswered, help us to find answer for this one

69. What is the degree day?

Answer

Correct Answer: The difference between the daily average temperature and a given temperature base.

Note: This Question is unanswered, help us to find answer for this one

70. What type of system is a Unitary System?

Answer

Correct Answer: AHU and cooling compressor contained within a compact enclosure

Note: This Question is unanswered, help us to find answer for this one

71. What is a Multi-Zone?

Answer

Correct Answer: A central air-handling unit capable of serving 8 zones simultaneously

Note: This Question is unanswered, help us to find answer for this one

72. What is a delivery system?

Answer

Correct Answer: A device that delivers heat or cooling to the conditioned space.

Note: This Question is unanswered, help us to find answer for this one

73. What does HVAC stand for?

Answer

Correct Answer: Heating, Ventilating, and Air Conditioning

Note: This Question is unanswered, help us to find answer for this one

74. What is a duct?

Answer

Correct Answer: A tube or channel for conducting air.

Note: This Question is unanswered, help us to find answer for this one

75. What is a hydronic system?

Answer

Correct Answer: A heating/cooling system that uses water to transfer heat

Note: This Question is unanswered, help us to find answer for this one

76. What is the purpose of a Distribution System?

Answer

Correct Answer: To recirculate treated air to the building

Note: This Question is unanswered, help us to find answer for this one

77. What is a heat exchanger?

Answer

Correct Answer: A device that transfers heat from one substance to another.

Note: This Question is unanswered, help us to find answer for this one

78. What is the name of the process that transfers heat from one location to another?

Answer

Correct Answer: Vapor Compression Refrigeration Cycle

Note: This Question is unanswered, help us to find answer for this one

79. What is a boiler?

Answer

Correct Answer: Equipment that provides hot water or steam for various uses (plumbing, heating, etc)

Note: This Question is unanswered, help us to find answer for this one

80. What is the central location of a building's HVAC system called?

Answer

Correct Answer: Plant

Note: This Question is unanswered, help us to find answer for this one

81. What is HVAC?

Answer

Correct Answer: Heating, Ventilation and Air Conditioning

Note: This Question is unanswered, help us to find answer for this one

82. What is a roof pond?

Answer

Correct Answer: A pond consisting of water contained within large plastic bags located on the roof of a building.

Note: This Question is unanswered, help us to find answer for this one

83. What is the name given to the solar energy being introduced directly into the space through ordinary fenestration?

Answer

Correct Answer: Direct Gain

Note: This Question is unanswered, help us to find answer for this one

84. What is the definition of a passive system?

Answer

Correct Answer: Utilizing natural phenomena to change the climate of a building.

Note: This Question is unanswered, help us to find answer for this one

85. What is the sum of the accumulation of heat from all sources called?

Answer

Correct Answer: Heat Gain

Note: This Question is unanswered, help us to find answer for this one

86. What is the opposite of Heat Gain?

Answer

Correct Answer: Heat Loss

Note: This Question is unanswered, help us to find answer for this one

87. Heat loss occurs from a building through which of the following?

Answer

Correct Answer: Convection, conduction, radiation

Note: This Question is unanswered, help us to find answer for this one

88. What is the thermal load?

Answer

Correct Answer: Heat transferred from walls, doors, ceilings, etc.

Note: This Question is unanswered, help us to find answer for this one

89. What is the process by which water on the ground surface enters the soil?

Answer

Correct Answer: Infiltration

Note: This Question is unanswered, help us to find answer for this one

90. What is the definition of ventilation?

Answer

Correct Answer: The bringing in of fresh air to a building and the expelling of inside gasses.

Note: This Question is unanswered, help us to find answer for this one

91. What is the capacity of a material to store heat called?

Answer

Correct Answer: Thermal Mass

Note: This Question is unanswered, help us to find answer for this one

92. What is a thermal bridge?

Answer

Correct Answer: A thermally conductive material that bypasses an insulation system, such as a metal fastener or stud.

Note: This Question is unanswered, help us to find answer for this one

93. What is the definition of resistance?

Answer

Correct Answer: A material's opposition to the flow of electric current.

Note: This Question is unanswered, help us to find answer for this one

94. What is the process whereby molecular excitation spreads through a substance or from one substance to another by direct contact called?

Answer

Correct Answer: Conduction

Note: This Question is unanswered, help us to find answer for this one

95. What is enthalpy?

Answer

Correct Answer: The sum of the sensible and latent heat of a substance

Note: This Question is unanswered, help us to find answer for this one

96. What is Latent Heat?

Answer

Correct Answer: The energy required for phase changes

Note: This Question is unanswered, help us to find answer for this one

97. What is heat?

Answer

Correct Answer: Energy that flows from a point at one temperature to another point at a lower temperature

Note: This Question is unanswered, help us to find answer for this one

98. What is Thermal Radiation?

Answer

Correct Answer: Heat transfer in the form of electromagnetic waves, including light

Note: This Question is unanswered, help us to find answer for this one

99. What is the DewPoint?

Answer

Correct Answer: The temperature at which water vapour in the air becomes saturated and condensation begins.

Note: This Question is unanswered, help us to find answer for this one

100. Which of the following is true about the wet-bulb temperature?

Answer

Correct Answer: The air temperature measured by the wet-bulb thermometer of a psychrometer.

Note: This Question is unanswered, help us to find answer for this one

101. What is the dry bulb temperature?

Answer

Correct Answer: The air temperature measured by the dry-bulb thermometer of a psychrometer.

Note: This Question is unanswered, help us to find answer for this one

102. What is a psychometric chart?

Answer

Correct Answer: A powerful graphic representation of temperature and relative humidity.

Note: This Question is unanswered, help us to find answer for this one

103. Relative humidity is defined as the percentage of water vapor in the air compared to what?

Answer

Correct Answer: The maximum amount of water vapor that air can contain at a particular temperature

Note: This Question is unanswered, help us to find answer for this one

104. What is the angle in the horizontal plane between the north-south line and the vertical plane called?

Answer

Correct Answer: Azimuth

Note: This Question is unanswered, help us to find answer for this one

105. What is solar angle?

Answer

Correct Answer: The angle at which light from the Sun strikes the surface of Earth

Note: This Question is unanswered, help us to find answer for this one

106. What is the definition of microclimate?

Answer

Correct Answer: Environmental conditions within a small area that differs significantly from the climate of the surrounding area

Note: This Question is unanswered, help us to find answer for this one

search