Notes, summaries, assignments, exams, and problems for Other courses

Ch. 1 — Operations and Supply Chain Management

Ch. 1 — Operations and Supply Chain Management - design, operation and improvement of the systems that create and deliver the firm's primary products and services.

Key Processes

• Operations processes - how things are made.
• Supply chain processes - how things are moved.
• Supply chain management - the integrated management of operations and supply chain processes.

Definitions

• Process - One or more activities that transform inputs into outputs. Types are planning, sourcing, making, delivering, returning.
• Product-service bundling - when a firm builds service activities into its product offerings to create additional value for the customer.
• Mass customization - the ability to produce a unique product exactly

Psalm 73: Faith, Envy, and the End of the Wicked

Book III of Psalms

A Psalm by Asaph (World English Bible Translation)

1 Surely God^[a] is good to Israel, to those who are pure in heart.

2 But as for me, my feet were almost gone; my steps had nearly slipped. 3 For I was envious of the arrogant, when I saw the prosperity of the wicked.

4 For there are no struggles in their death, but their strength is firm. 5 They are free from the burdens of men, neither are they plagued like other men. 6 Therefore pride is like a chain around their neck; violence covers them like a garment.

7 Their eyes bulge with fat; their minds pass the limits of conceit. 8 They scoff and speak with malice. In arrogance, they threaten oppression. 9 They have set their mouth... Continue reading "Psalm 73: Finding Strength When the Wicked Prosper" »

Business Accounting Fundamentals

Accounts are the financial records of a firm’s transactions.

Accountants are the professionally qualified people who have the responsibility for keeping accurate accounts and for producing the final accounts.

Final accounts are produced at the end of the financial year and give details of the profit or loss made over the year and the worth of the business.

Methods of Making Payment

1. Cash: The traditional method of payment which is still widely used for small amounts.
2. Cheque: Cheques are not money; they are instructions to a bank to transfer a specified sum in the form of a bank balance to a named person.
3. Credit Card: This allows the consumer to obtain goods and services now but to pay for them in the future.
4. Debit

Qualitative Variables

Nominal Variables

Nominal variables are qualitative variables that cannot be ordered in an ascending or descending manner; that is, they cannot be ranked. For example, blood group.

Ordinal Variables

Ordinal variables are variables that can be ordered in an ascending or descending manner; that is, they can be ranked.

Quantitative Variables

Discrete Variables

Discrete variables are variables whose values are obtained by counting.

Continuous Variables

Continuous variables are variables whose values are obtained by measurement using a scale.

Mean

Advantages

• Has many good theoretical properties
• Used as the basis of many statistical tests
• Good summary statistic for symmetrical distribution
• Easy to calculate
• Possible for further algebraic treatment

Disadvantages

• Less

-"Conditioned" air is air that has: BEEN CONTROLLED IN RESPECT OF TEMPERATURE AND PRESSURE.

-"Frequency wild" in relation to a AC generation system means the generator: OUTPUT FREQUENCY VARIES WITH ENGINE SPEED.

-"Nose wheel shimmy" may be described as: A POSSIBLY DAMAGING VIBRATION OF THE NOSE WHEEL WHEN MOVING ON THE GROUND.

-"Vapour lock" is the phenomenon by which: HEAT PRODUCES VAPOUR BUBBLES IN THE FUEL LINE.

-"Vapour lock" is the phenomenon by which: HEAT PRODUCES VAPOUR BUBBLES IN THE FUEL LINE.

-A "fan" stage of a ducted-fan turbine engine is driven by: THE LOW PRESSURE TURBINE.

-A "trip-free" type circuit breaker is a circuit protection device which : WILL NOT ALLOW THE CONTACTS TO BE HELD CLOSED WHILE A CURRENT FAULT EXISTS IN THE CIRCUIT.

• "Heading hold" is normally: REGARDED AS A BASIC OF AUTOMATIC STABILISATION EQUIPMENT
• 1 - Route modifications2 - Crossing constraints3 - Transfer of ATC center 4 - Speed changes. The combination which regroups all of the correct statements is:   1, 2, 3, 4
• 1 - TAS2 - IAS 3 - Mach NUmber. The combination that regroups all of the correct statements is: 2, 3
• A "Bourdon Tube" is used in: PRESSURE SENSORS
• A blocked pitot head with a clear static source causes the airspeed indicator to:   REACT LIKE AN ALTIMETER
• A closed loop control system in which a small power input controls a much larger power output in a strictly proportionate manner is known as: A SERVOMECHANISM
• A control system consisting of four pendulous vanes is used in: AN AIR DRIVEN ARTIFICIAL

CODIGOS IATA/ICAO Aeropuertos

IATA-ICAO-CIUDAD PAIS AEROPUERTO

AAA-NTGA-ANAA FRENCH POLYNESIA TUAMOTU ISLANDS
AAE-DABB-ANNABA ALGERIA EL MELLAH
AAL-EKYT-AALBORG DENMARK
AAO-SVAN-ANACO VENEZUELA ANZUALEGUI
AAQ-???? -ANAPA RUSSIA
AAR-EKAH-AARHUS DENMARK TIRSTRUP
AAY-ODAG-AL GHAIDA YEMEN
ABA-UNAA-ABAKAN RUSSIA
ABE-KABE-ALLENTOWN USA (PENNSYLVANIA) BETHLEHEM-EASTON
ABF-NGAB-ABAIANG KIRIBATI
ABI-KABI-ABILENE USA (TEXAS) MUNICIPAL
ABJ-DIAP-ABIDJAN IVORY COAST PORT BOUET
ABK-HADK-KABRE DARE ETHIOPIA MIL.
ABL-PAFM-AMBLER USA (ARKANSAS)
ABM-????-BAMAGA AUSTRALIA (QUEENSLAND)
ABQ-KABQ-ALBUQUERQUE USA (NEW MEXICO) INTERNATIONAL
ABR-KAPG-ABERDEEN USA (SOUTH DAKOTA)
ABS-HEBL-ABU SIMBEL EGYPT
ABU-WRKA-ATAMBUA INDONESIA HALIWEN
ABX-AMAY-ALBURY AUSTRALIA
ABY-

Essential Git Commands and Code Examples

Experiment 1: Strength of Hydrochloric Acid

Aim

To determine the strength of the given dilute hydrochloric acid (HCl) solution by titrating it against a standard sodium carbonate (Na₂CO₃) solution.

Chemicals Required

• Standard sodium carbonate (Na₂CO₃) solution
• Dilute hydrochloric acid (HCl) solution
• Methyl orange indicator

Apparatus Required

• Burette
• Burette stand
• Pipette
• Conical flask
• Funnel

Chemical Reaction

Na₂CO₃ + 2HCl → 2NaCl + H₂O + CO₂

Principle

Normality is defined as the number of gram equivalents of solute present in one litre of solution. According to the law of equivalence, the relationship between the reacting solutions is given by:

N₁V₁ = N₂V₂

Where:
N₁ - Normality of HCl (unknown)
V₁ - Volume of HCl used
N₂ - Normality... Continue reading "Essential Engineering Chemistry Laboratory Experiments" »