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BUAD 311

Terms in this set (73)

Operations management

planning what we do and how we do it

Process analysis

input to process to output

how we transform input into output
i.e. process is the "production" in raw materials to production to finished goods

process flow diagram

tool to describe and visualize unit going through process and describes each activity performed

square = activity
triangle = storage/inventory/buffer
diamond = decision
arrows = flow

make to order
-larger variety

make to stock
-quick response

Performance measures

how do we quantify performance?

the maximum number of units that can be processed per unit of time, i.e. 20 customers per hour

characterized by a rate which means units are important

resource capacity

maximum number of flow units (jobs) that can be processed per unit of time

resource with smallest capacity (aka the slowest resource)

process capacity

capacity of bottleneck

processes can be constrained by

capacity
demand
input

rate at which the process is producing output

number of units actually produced per unit of time

how fast the process is actually moving
"throughput"

units are important

capacity vs flow rate

amount ideally processed vs amount actually processed

percentage of time that a resource is occupied

FR/Capacity *100

**cannot exceed 100%

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Verified questions

ENGINEERING

In a production process, let N mean “no trouble” and T “trouble.” Let the transition probabilities from one day to the next be 0.8 for N→N, hence 0.2 for N→T, and 0.5 for T→N, hence 0.5 for T→T. If today there is no trouble, what is the probability of N two days after today? Three days after today?

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ENGINEERING

Write the word or phase from the list above that completes the sentence correctly. Some highways have _____, which allow drivers to pay a fee in order to drive in an HOV lane with only one person in the vehicle. acceleration lane, beltway, common speed, controlled access, deceleration lane, entrance ramp, exit ramp, grade elevation, high-occupancy toll (HOT) lanes, highway hypnosis, hole in traffic, interchange, merging area, non-controlled access, ramp meter, reversible lane, spur, velocitation.

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ENGINEERING

The exposed surface (x=0) of a plane wall of thermal conductivity k is subjected to microwave radiation that causes volumetric heating to vary as $\dot{q}(x)=\dot{q}_{o}\left(1-\frac{x}{L}\right)$ where is a constant. The boundary at x=L is perfectly insulated, while the exposed surface is maintained at a constant temperature $T_{o}$. Determine the temperature distribution T(x) in terms of x, L, k, $\dot{q}_{o}$, and $T_{o}$.

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ENGINEERING

A stomp rocket is a toy consisting of a hose connected to a “blast pad” (i.e., an air bladder) at one end and to a short pipe mounted on a tripod at the other end. A rocket with a hollow body is mounted onto the pipe and is propelled into the air by “stomping” on the blast pad. Some manufacturers claim that one can shoot a rocket over 200 ft in the air. Neglecting air resistance, determine the rocket’s minimum initial speed such that it reaches a maximum fligh height of 200 ft.

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