In an auditorium a temperature should not exceed 23 deg C and 55% relative humidity, total occupancy is 150 people with 17 air change per person and a sensible heat of 132 kW. Air is to be supplied at the auditorium at 18 dec C. How many cfm of air must be supplied?

In an auditorium a temperature should not exceed 23 deg C and 55% relative humidity, total occupancy is 150 people with 17 air change per person and a sensible heat of 132 kW. Air is to be supplied at the auditorium at 18 dec C. How many cfm of air must be supplied?

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter40: Typical Operating Conditions

Section: Chapter Questions

Problem 1RQ: The standard design conditions for air-conditioning systems established by the Air-Conditioning,...

See similar textbooks

Related questions

Q: A vertical pipe in the form of a cone has a diameter of 45 cm at the top and 92 cm at the bottom and…

Q: Calculate the forces in members BC, BE, and EF. Solve for each force from an equilibrium equation…

A: GIVEN DATA- A PLANE TRUSS GIVEN WE HAVE TO FIND FORCES IN GIVEN MEMBER CONCEPT USED - METHOD OF…

Q: Draw the major components of a PWR and a BWR

Q: How did you combine eq1 and eq2?

Q: k=100N/m A 1 2 1m to 1m (A) m=1kg & The slingshot shown consists of two linear springs and a mass.…

A: Given: The free length of the springs, x = 1 m The stretched length of each spring, y = 2 m The mass…

Q: re of 15,4 and 0.5 bar. Assuming ide

A: Given-Data:- p1 = 42 barT1 = 500°C=0.035 bar15 , 4 0.5 bar To-Determine:- a. The fraction of boiler…

Q: Explain why the engineer choose plain carbon steel instead of alloy steel ? justify your answer with…

A: given; Explain why the engineer choose plain carbon steel instead of alloy steel ? ....

Q: A cantilever beam with a cross section of 200mm wide by 350mm deep is loaded as shown below,…

A: Given:b=200mmd=350mmE=10GPaw=40KN/mM=75KN.m

Q: Describe the pultrusion process.

A: Introduction: ◆ The word 'pultrusion' is made from combining following two words: Pultrusion = Pull…

Q: As part of the maintenance routine on mechanical systems done by industries, discuss what is on-line…

A: Internet-based Surveillance In order to capture vibration data without human intervention, Vibration…

Q: Prob-. What are unit quantities? Also explain unit speed and unit discharge.

Q: (a) the normal stresses in the steel plates (1) and the oak block (2). (b) the shortening of the…

Q: 4 ft E D -3 ft- 6ft 2 ft 1 ft Determine the external support reactions at the pins A and D. The…

Q: The ultimate shearing stress of the rivet used to join plates is 22 ksi. For a factor of safety of…

Q: he roller cam in Fig. 3 imparts a periodic motion to the mass-spring system, as shown. Use rinciple…

A: m=1 kg k=100 N/m y=0.2m and m=1 k=100 N/m y=0.2m μ=0.1

Q: Note: m = 5 kg Solve the transfer function T(s) = x2/F(s) if b1 = 2, b2 = 4, K1 = 5 and k2 = 7 k₁ D…

A: Given : To find : Transfer function

Q: The motion of a particle is defined by the relation x = at² - b(t -2)³ where x and t are expressed…

Q: In NC machine, the stepper motor of X-axis is connected to a lead screw having double start screw…

Q: A solid circular shaft of 35 mm diameter transmits a torque of 1460 Nm. The value of maximum shear…

A: Diameter of solid circular shaft, d = 35mm Torque transmitted, T = 1460 Nm or 1460000 Nmm

Q: Consider a two-stage cascade refrigeration system operating between -80 o C and 80 o C. Each stage…

A: Refrigerant is R13 Single stage vapor compression cycle Maximum temperature = 80 oC Minimum…

Q: A designer is selecting a ball bearing for a particular application, which requires the bearing to…

A: Write the given data. N=200 rpmt=24×180×60=259200 minr=0.90Fr=450 lbf

Q: Find the moment (Nm) acting at O due to all forces and couple present in the following system if P =…

Q: A 40 mm diameter aluminum cylinder and 20 mm diameter steel cylinder are positioned snugly between…

Q: Please answer only when you are sure and give correct answer Thedensity of an oil at 23°C is…

A: Given Data- Density = 750kg/m3 dynamic viscosity is 5 * 10 ^ - 3 kg/ms We have to find Relative…

Q: An impact test was done on specimen M and R and the results are shown in Fig. Q2(c) and Table Q2(c).…

Q: Consider the following fluids at a film temperature of 300 K in parallel flow over a flat plate with…

A: Given data: Film Temperature = Tf = 300 K Velocity of flow = u = 1 m/s x = distance from leading…

Q: A thin triangular plate PQR forms a right angle at point Q. During deformation, point Q moves to the…

A: Given data: u=1.4 mm v=5.1 mm c=680 mm α=21o β=69o

Q: A small projectile is fired vertically downward into a fluid medium with an initial velocity of 60…

A: Given data: vi=60 m/sa=-0.4v3 m/s2t=4 sec Need to determine the position and velocity at t=4 sec.

Q: (a) Second moment of area Ixx with respect to centroid G? (b) Second moment of area lyy with respect…

Q: INSTRUCTION: Write shear and moment equations for the beam in the following problem. Let x be the…

Q: An axial member consisting of two polymer bars is supported at C as shown. Bar (1) has a…

Q: From a building 30 m high, a stone was dropped. Calculate the velocity when it hits the ground and…

A: Given data: h=30 mg=9.27 m/s2 Need to determine the velocity and time taken by the stone when it hit…

Q: Three forces act at a point as shown in the figure. The values of a and B, respectively, are 302 N…

A: Considering the given system to be in equilibrium, the total force on the system should be zero in…

Q: A rectangular bar of length L has a slot in the central half of its length. The bar has width b,…

A: Write the given data. L=520 mmE=74 GPaσavg=190 MPa

Q: 5 decimal places 8. A 7-ft diameter spherical tank is subjected to an internal pressure of 24 psf.…

A: Givend=7ftP=24psf=0.16666 psit=0.35 in =0.02916667 ft

Q: Which is not a performance factor of the design of a journal bearing? choose answer below…

Q: Find the pressure at a depth of 10m in water if the atmospheric pressure is 100kPa. [1Pa=1N/m²]…

A: As given in the question, Depth at which pressure is to be found = h = 10 m Atmospheric pressure =…

Q: The position of a particle as a function of time t, is given by x(t) = at +bt² - ct³ where a, b and…

A: As stated in the question, Position of a particle as a function of time = x(t) = at + bt2 - ct3…

Q: A 3-meter - long steel pipe has its upper end leaning against a vertical wall and lower end on a…

A: Please refer to the detailed solution given below, Answer - OPTION B = 0.00894 rad/sec.

Q: Calculate the maximum shearing force that a hollow rivet with inside and outside diameters of 4 mm…

Q: full depth gear tooth of 20° pressure angle has standard addendum. Dedendum is 1.25 times of module.…

A: Given, Pressure angle = φ = 20o Module = m = 2.5 mm Addendum = a = m = 2.5 mm (For standard addedum,…

Q: Determine the force in each member of the loaded truss. Explain why knowledge of the lengths of the…

Q: In the figure below, Which of the following represent the dedendum

Q: Simplify. 24) Rationalize the denominator.. A) - cos x tan x B) sin x cot x tan x sin x cot x C) cos…

A: given; rationalised sinxcotx

Q: Determine the force in each member of the loaded truss. The force is positive if in tension,…

Q: Question 4 Two identical plates of 63 mm wide and 3 mm thick is connected by a square pin with side…

Q: A 6 in thick concrete wall, having thermal conductivity k =0.50 Btu/h-ft-º F, is exposed to air at…

A: Given:thickness of wall, t=6 in =0.5ftThermal conductivity, k=0.50 Btu/h.ft.°FT1=70°FT2=20°Fhi=2.0…

Q: 5 decimal places Two identical plates of 61 mm wide and 6 mm thick is connected by a square pin…

A: Givenpart 1width w=61mmthickness t=6mmside a=14mmF=29kNpart 2A thin-walled cylinder is subjected to…

Q: What is the purpose of the internal overload protector inthe compressor motor?

A: Relays that detect overloads shield the motor, motor branch circuit, as well as motor branch circuit…

Q: A compressor system which is controlled by starting-and-stopping is composed of a compressor with…

A: Introduction: The compressor compresses the gas fluid in order to raise its pressure. A pump and a…

Question

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.

Similar questions

The standard design conditions for air-conditioning systems established by the Air-Conditioning, Heating and Refrigeration Institute (AHRI) are outside temperature _____F, inside temperature ______F, with a humidityof____%.
Consider a building that takes in air from outside (100% relative humidity, -10 °C), and heats it to 20 °C. What is the relative humidity inside the building assuming no other sources of water vapor?
If 65°F air with a 60% relative humidity is heated to 85°F, what is its relativehumidity at this new temperature?
In air with a dry bulb temperature of 23 C and relative humidity of 20%; Find dew point temperature, enthalpy, wet bulb temperature and specific humidity
The total volume of a new house is 685 m3. Before the heat is turned on, the air temperature inside is 10°C, and the relative humidity is 46 percent. After the air is warmed to 15°C how much water vapor must be added to the air to make the relative humidity 46 percent?
In a 4m x 5m x 3m room, there is air at 30°C temperature, 100kPa pressure and 60% relative humidity. Find the specific humidity, dry bulb temperature, enthalpy values of the air.
A mixture of dry air and water vapor is at a temperature of 21 C under a barometric pressure of 101. 325 kPa. The dew point temperature is 59 C. Find the (a) partial pressure of water vapor, kPa (b) relative humidity, % (c)humidity ratio, lb/lb.da (d) enthalpy, kJ/kg (e) specific volume, cu.m./kg (f) degree of saturation, %
A cooling coil cools humid air of 100kg from t1= 40 degrees relative humidity 1 = 60% t2 = 10 degrees Find the final relative humidity, the dew point of the initial air and the humidity ratio, using a pschometric chart
Air with a total pressure of 101.3 kPa, a temperature of 12 °C and a relative humidity of 75% is both heated and humidified by water vapor. The exit conditions from the system are 25°C temperature and 75% relative humidity. If the flow rate of dry air is 1.9 kg/s, how much kg/s should the flow of steam be given to the air?
Using the psychometric chart , calculate the absolute humidity of air which has 50% RH and a dry-bulb temperature of 60ºC.
In single duct air conditioning system, the 1.5 kg/s of outlet air at -4C db, 80% RH mixes with 4.5 kg/s of the return air at 20C db, 50% RH. The mixture air heated to 35C db and humidified to 19C db. Draw the processes on the psychrometric chart, then find: 1. Heating coil capacity. 2. Quantity of the moisture.
Atmospheric air at 15 °C, relative humidity 10%, is too hot and also too dry. An air conditioner must deliver air at 21 °C and 50% humidity relative in the amount of 3600m³/h. Propose a scheme to achieve this, find the amount of liquid (at 20°C) required to be added or removed and any transfer of heat.