4673539
Descripción
Test por Neil Revollo, actualizado hace más de 1 año
|
Creado por Neil Revollo
hace más de 8 años
|
|
Pregunta 1
Pregunta
What is the relative humidity if the dry-bulb temperature is 100ºF and the wet-bulb temperature is 65ºF?
Respuesta
-
13%
-
33%
-
43%
-
63%
Pregunta 2
Pregunta
The wet-bulb depression is __________.
Respuesta
-
the difference between the dry-bulb and wet-bulb temperatures.
-
the same as the wet-bulb temperatures.
-
the same as the dry-bulb temperatures.
-
when the air is saturated with moisture.
Pregunta 3
Pregunta
Comfort can be described as the gentle balance between __________.
Respuesta
-
air cleanliness, air movement, temperature, and humidity.
-
air velocity, air cleanliness, humidity, and air movement.
-
air speed, air velocity, temperature, and humidity.
-
acceleration, air cleanliness, filtration, and humidity.
Pregunta 4
Pregunta
Infiltration is the term used when referring to the air entering a structure _________.
Respuesta
-
through an air make-up unit
-
around doors and windows
-
through ventilation
-
because of street traffic
Pregunta 5
Pregunta
A fresh air intake is necessary to keep the indoor air from becoming _________.
Respuesta
-
too humid
-
superheated
-
oxygen starved and stagnant
-
too dry
Pregunta 6
Pregunta
The dry-bulb temperature is the __________.
Respuesta
-
same as the wet-bulb temperature
-
total of the sensible and latent heat
-
sensible heat level of the air
-
sensible heat less the humidity
Pregunta 7
Pregunta
If the dry-bulb temperature is 93ºF and the wet-bulb temperature is 60ºF, what is the specific volume of the air?
Respuesta
-
14.0 ft^3/lb
-
14.0 lb/ft^3
-
10 lb/ft^3
-
10 ft^3/lb
Pregunta 8
Pregunta
The human body is comfortable when the heat produced in the body is equal to the heat lost to the surroundings.
Respuesta
- True
- False
Pregunta 9
Pregunta
The rate at which water will evaporate from the wick on the wet-bulb thermometer is determined by the moisture content of the surrounding air.
Respuesta
- True
- False
Pregunta 10
Pregunta
Introduction of forced ventilation in the winter heating season helps to raise the humidity level.
Respuesta
- True
- False
Pregunta 11
Pregunta
When the dry-bulb and wet-bulb temperatures are the same, the relative humidity of the air is [blank_start]100%[blank_end].
Respuesta
-
100%
Pregunta 12
Pregunta
Air consists of approximately [blank_start]21%[blank_end] of oxygen.
Respuesta
-
21%
Pregunta 13
Pregunta
[blank_start]7,000[blank_end] grains of moisture equals one pound of water.
Respuesta
-
7,000
¿Quieres crear tus propios Tests gratis con GoConqr? Más información.