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1. Name the four factors that contribute to a person's comfort in an environment.
2. Describe relative humidity and mean radiant temperature.
3. How does the dew point affect condensation?
4. Describe the three types of heat movement.
5. Name types of heating systems.
6. What is a furnace? What are its basic components?
7. What are some characteristics of older furnace models?
8. What are the parts of a traditional furnace and air conditioner system?
9. Describe various tests that can be used to detect leaks in the duct system.
10. What is the best way to seal leaks in ducts?
a gas expands from an initial state where p1 500 kpa and v1 0.1 m3 to a final state where p2 100 kpa. the relationship
Calculate the service factor for a simple lawn mower driven by a two stroke engine. The lawn mower is used by a service for 8 hours per day. If the lawnmower normally operates at 1200 rpm and 2 hp what is the starting torque?
the compression ratio of an ideal dual cycle is 14. air is at 100 kpa and 300 k at the beginning of the compression
Derive equation for pressure to push pig through pipe line. A 20" diameter pipe is 7243 meters long and is being cleaned by a pig apparatus. Derive an equation for the required pressure given by a compressor to push a pig through a pipe while it push..
Assuming 4,686,400,000 MWh of energy was “dumped” into lake Erie instantaneously, what would be the increase in the water temperature of the lake. Assuming all of that energy was dumped to the earth’s atmosphere instantaneously. How thick (i.e. altit..
if a batch formula for 1950 kg of window glass consists of 200 kg of na2co3 1500 kg sio2 and an unknown amount of
a well- insulated rigid tank contains 5 kg of a saturated liquid-vapor mixture of water at 150 kpa.
develop a test matrix. call the case with the air conditioning system on and windows closed case a and the case with
his choice of route is independent of the weather. if it rains the probabilities of arriving late through route a b and
The voltage output from a 0–50 psi pressure transducer will vary from 0–5 mV. The input/output relationship is linear. The signal will be recorded with a 12-bit A/D converter with a 0-10 V input range. The voltage output needs to be amplified before ..
a hollow aluminum shaft is to carry a torque of 200 in.kips. the inner radius is 1in and it is 5ft in length. if the
two oils are tested to establish their viscosity index. oil a and oil b have their viscosity measured at temperatures
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