Deck 13: Question Bank

Question 1

Which of these is included in the annual financial accounts for energy-saving projects?

A)Balance sheet for the energy saving investment
B)Balance sheet for the building owners business
C)Cash flow analysis for the duration of the energy-saving payback years
D)Total cost of maintaining the building each year
E)Total labour hours for all maintenance work in the building

Answer 1

C

Question 2

Which of these acronyms is correct?

A)CIC is the Council for Industry and Construction
B)ASHRAE means Australian Society for Heating, Refrigerating and Air Engineering
C)AIRAH means American Institute for Refrigeration and Air Heating
D)BSRIA stands for British Services Refrigeration Institute for Air Conditioning
E)CIBSE stands for The Chartered Institution of Building Services Engineers

Answer 2

E

Question 3

Does air conditioning lead to obesity? Which of these may not be a valid argument?

A)Keeping home, vehicle and workplace at one temperature all year round promotes body fat
B)Thermal neutrality can only maintain the obesity status quo
C)Cool air temperature encourages fat burning
D)Warm air temperature decreases natural appetite
E)Natural body temperature regulation from variable air temperature is a good thing

Answer 3

B

Question 4

Which of these may not be a cause for sick building syndrome?

A)Canteen food
B)Job related stress and overwork
C)Excessive working hours
D)Lack of exercise during the working day
E)Perception of lack of personal support at work

Question 5

Which is correct about energy use in buildings?

A)Future retrofitting of energy-saving systems can easily reduce an existing building's consumption to 25% of its design energy use
B)Designers cannot predict future energy use of a building
C)Retrofitting low energy systems into existing buildings is easily done in later years
D)Energy modelling predicts design energy use by a building
E)The best that future retrofitting can hope to achieve is a 25% reduction in a building's actual energy consumption

Question 6

Which is correct about the density of humid air?

A)1.205 kg/m3 at 20^oC, 1013.25 mb
B)4.186 kg/m3 at 21^oC, 60% relative humidity
C)1.013 kg/m³ at 20^oC, sea level
D)0.802 m³/kg
E)5.67 kg/m³

Question 7

What does inverter mean?

A)It is an electronic soft starter for a three phase motor
B)Alternating current phases are reversed
C)Incoming 50 Hz alternating current is digitally reformed into an output frequency to a motor in the range from 0 to 50 Hz
D)Incoming 50 Hz alternating current is digitally reformed into an output frequency to a motor in the range from 0 to 20000 Hz
E)Alternating current is electronically converted into direct current to drive a motor

Question 8

CFD stands for?

A)Comfort for disabled people
B)Computational fluid dynamics
C)Computer fluid dynamics
D)Comfort frequency diagramme
E)Computer flow diagnostics

Question 9

Which of these is not a common standard for data transmission?

A)C-bus
B)Ethernet
C)RS484
D)RS232
E)RS124

Question 10

Which of these is not a correct multiple?

A)1 mm = 10^-3 m
B)kJ = 10³ J
C)1 GJ = 10⁶ kJ
D)MWh = 1000 W x 1 h
E)1 GW = 1000 MW

Question 11

Which is a valid justification for air conditioning?

A)Buildings packed to capacity with people, computer workstations and artificial lighting usually need air conditioning in the UK
B)The future habitability of planet Earth is assured whatever we may do to its natural resources
C)The pattern of energy use for the next 100 years of a building's use has nothing to do with its designers
D)Building designers must ignore those few days in the year when hot humid weather makes indoor conditions uncomfortable without mechanical cooling systems
E)Correct design of glazing in commercial buildings for the UK always eliminates the need for air conditioning

Question 12

Which is correct about volume?

A)1 cubic centimetre water occupies 1 litre
B)1 m3 = 1000 litre
C)1 tonne of water occupies 1000 m³
D)1 litre of water weighs 100 kg
E)1 litre of water weighs 10 kg

Question 13

How is plant protected by an MCB?

A)Micro circuit breaker switch opens on detecting excess current
B)MCB means manual circuit breaker switch at a distribution board
C)Building management computer system detects faults and trips main circuit breaker to the plant room where a fault occurred
D)MCB means moulded case breaker cartridge fuse for each plant circuit at main switchboard
E)It is a thermal overload switch

Question 14

The required air leakage rate from a new building is in the range:

A)0.25 air changes per hour
B)Half to one air change per hour
C)1 to 10 m³/h m² at 50 Pa internal air pressure
D)10 to 100 m³/h m² at 25 Pa internal air pressure
E)Must be zero

Question 15

Which is correct about the density of humid air?

A)Decreases with increasing pressure
B)Varies with air temperature and pressure
C)Increases with increasing air temperature
D)Not affected by humidity
E)Not affected by humidity

Question 16

What does sustainability mean for low energy buildings?

A)The building has been constructed from organically grown materials
B)No such thing as a modern sustainable building
C)Everything used in the buildings service life comes from globally sustainable resources
D)All waste output from this building is recycled
E)This building is an example of good modern design practice

Question 17

What does the acronym BREEAM relate to?

A)Ratings awarded as fail, not recommended, minimum pass and recommended
B)Exposes inadequate design proposals
C)Cannot produce an overall score for the building
D)Certificate awarded can be used by building owner for promotional purposes
E)A poorly rated building should remain confidential to the building owner

Question 18

Which correctly describes types of heat transfer?

A)Sensible heat transfer takes place from an area of higher temperature to one of lower temperature
B)Sensible heat transfer is the logical method
C)Latent heat transfer occurs only in steam
D)Radiation heat transfer is neither sensible nor latent
E)Latent heat transfer is easily measured

Question 19

What are fluorinated hydrocarbons used for?

A)Swimming pool water treatment
B)Ozone-depleting refrigerants
C)Biocide decontamination of cooling towers
D)Non-CFC foam insulation and furnishings
E)Combustible gaseous fuel

Question 20

What have I learnt from this study?

A)I can design or construct buildings; someone else must worry about the fiddly bits
B)Nothing, it is all a fog to me!
C)Mechanical and electrical services within a building are not very important to the overall concept of the design and construction
D)I now appreciate the importance and main features of the essential and desirable building services!
E)The building will work without the mechanical and electrical services anyway