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3 years ago

What is the primary responsibility of ABET?

Engineering

1 answer:

nalin [4]3 years ago

5 0

Answer:

Explanation:

The ABET (Accreditation Board for Engineering and Technology) is a non-governmental organization that accredits programs in applied science, computing, engineering, and engineering technology, both in the United States and elsewhere.

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An airline ticket counter forecasts that 220 people per hour will need to check in. It takes an average of 2 minutes to service

Nadusha1986 [10]

A) Number of agents required to achieve a wait time of 10 minutes or less = 8 agents

B) The number of agents required on duty to reduce cost = 9 agents

Given data :

Arrival rate of customers ( β ) = 220 per hour

Service rate ( mu ) = 60 minutes / 2 minutes = 30 customer per hour

utilization ( rho ) = 220 / 30 ≈ 7

at least 8 server personnel are required for stability of the queue

A) Determine the number of agents required to achieve a wait time of 10 minutes or less per customer

waiting time = 10 - 2 = 8 minutes

number of customers waiting ( ∝ ) = 7 and required server = 8

assuming Lq = 5.2266

Hence the waiting time in line = Lq / arrival rate

= 5.2266 / 220 = 0.0238 hour

= 0.0238 * 60 = 1.428 minutes

Since the waiting time ( 1.428 minutes ) is less than the original waiting time ( 2 minutes ) the number of agents that will achieve a wait time of 10 minutes or less is = 8 agents

B) Determine the number of ticket agents that should be on duty to minimize cost

salary of ticket agent = £12 per hour

cost of customer waiting in queue = £5 per hour per customer

i) When 8 agents are used

waiting time of customers = 0.0238 * 220 = 5.236

waiting cost for customers = 5.236 * 5 = £26.18

employee cost = 8 * 12 = £96

∴ Total cost = 96 + 26.18

= £ 122.18

ii) When 9 agents are used

waiting time for customers = 0.0074 * 220 = 1.628

Wq = 1.6367 / 220 = 0.0074

waiting cost for customers = 1.6367 * 5 = £ 8.1835

assuming Lq = 1.6367

employee cost = 9 * 12 = £ 108

∴ Total cost = 108 + 8.1835 = £ 116.18

From the calculations in ( i ) and ( ii ) the Ideal number of ticket agents that should be on duty to minimize cost should be 9 agents.

Hence we can conclude that A) Number of agents required to achieve a wait time of 10 minutes or less = 8 agents and The number of agents required on duty to reduce cost = 9 agents.

Learn more about cost reduction : brainly.com/question/14115944

6 0

3 years ago

The function below takes a single argument: data_list, a list containing a mix of strings and numbers. The function tries to use

pychu [463]

Answer:

def filter_only_certain_strings(data_list):

new_list = []

for data in data_list:

# fix here. change >= to >

# because we want to return strings longer than 5 characters in length.

if type(data) == str and len(data) > 5:

new_list.append(data)

return new_list

Explanation:

def filter_only_certain_strings(data_list):

new_list = []

for data in data_list:

# fix here. change >= to >

# because we want to return strings longer than 5 characters in length.

if type(data) == str and len(data) > 5:

new_list.append(data)

return new_list

3 0

4 years ago

Air flows through a device in which heat and work is exchanged. There is a single inlet and outlet, and the flow at each boundar

Pepsi [2]

Answer:

11548KJ/kg

10641KJ/kg

Explanation:

Stagnation enthalpy:

$h_{T} = c_{p}*T + \frac{V^2}{2}$

given:

cp = 1.0 KJ/kg-K

T1 = 25 C +273 = 298 K

V1 = 150 m/s

$h_{1} = (1.0 KJ/kg-K) * (298K) + \frac{150^2}{2} \\\\h_{1} = 11548 KJ / kg$

Answer: 11548 KJ/kg

Using Heat balance for steady-state system:

$Flow(m) *(h_{1} - h_{2} + \frac{V^2_{1} - V^2_{2} }{2} ) = Q_{in} + W_{out}\\$

Qin = 42 MW

W = -100 KW

V2 = 400 m/s

Using the above equation

$50 *( 11548- h_{2} + \frac{150^2 - 400^2 }{2} ) = 42,000 - 100\\\\h_{2} = 10641KJ/kg$

Answer: 10641 KJ/kg

c) We use cp because the work is done per constant pressure on the system.

7 0

3 years ago

1.5 In a closed circuit with two bulbs connected in series, if one bulb breaks, what will

hodyreva [135]

It will not grow as when a circuit is build in a series connection a broken bulb completely cuts the electricity of the whole circuit

5 0

3 years ago

If the sum of the two numbers is 4 and the sum of their squares minus three times their product is 76,find the number

alexandr402 [8]

Answer:

-2 and 6

Explanation:

Let "x" and "y" be 2 numbers.

The sum of the two numbers is 4. The mathematical expression is:

x + y = 4

y = 4 - x [1]

The sum of their squares minus three times their product is 76. The mathematical expression is:

x² + y² - 3 x y = 76 [2]

If we substitute [1] in [2], we get:

x² + (4 - x)² - 3 x (4 - x) = 76

x² + 16 - 8 x + x² - 12 x + 3 x² = 76

5 x² - 20 x - 60 = 0

We apply the solving formula for second order equations and we get x₁ = 6 and x₂ = -2.

If we replace these x values in [1], we get:

y₁ = 4 - x₁ = 4 - 6 = -2

y₂ = 4 - x₂ = 4 - (-2) = 6

As a consequence, one of the numbers is 6 and the other is -2.

6 0

3 years ago