Documents shared by Anónimo
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Applications of Mobile Computing
1. Business and Office Work Mobile computing enables employees to work remotely using laptops, smartphones, and tablets connected via wireless networks. Examples: Accessing emails and business documents on the go. Video conferencing with tools like Zoom, Microsoft Teams. Benefits: Increased productivity, flexibility, and reduced need for physical offices. 2. Mobile Banking and Financial Services Banking services are accessible through mobile apps, allowing customers
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a) Role and responsibilities of project manager
1) Planning and scheduling project activities. 2) Leading and coordinating the project team. 3) Managing budgets and controlling costs. 4) Ensuring project quality and safety. 5) Communicating with stakeholders. 6) Risk management and resolving issues. 7) Monitoring progress and reporting. 8) Ensuring timely completion and closure.
b) Groups and individuals that make up the project team
1) Project Manager 2) Process Engineers 3) Design Engineers 4)
ECON3124 Cheat Shet
Explanations of Small-scale vs Large-scale risk aversion
Idea is understanding differences between small changes vs large changes in wealth in risky gambles.
Diminishing marginal utility (risk aversion) only works in large-scale gambles. This is because the utility function is sufficiently concave over lifetime changes in wealth. This yields a higher utility for taking the certain outcome than taking the gamble despite the gamble having a higher expected return
However, under small-scale gambles,
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1. Types of heads for pressure vessels
Hemispherical head
Torispherical (flanged and dished) head
Ellipsoidal (2:1 elliptical) head
Conical head
Flat head
2. Weld joint efficiency factor (E)
Indicates quality and reliability of welds in pressure vessels.
Ranges from 0.7 to 1.0 depending on joint type and inspection level.
3. Maximum Working Pressure (MWP) & Design Pressure
MWP: Highest internal pressure during normal operation.
Design Pressure: Higher than MWP (typically 5–10% more) to ensure
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Thanatology = science that deals with death and changes produced in body after death.
Death– Permanent cessation of vital functions (circulation, respiration, brain activity).
Types: Somatic death → Irreversible stoppage of circulation, respiration & brain functions. Molecular death → Cessation of cellular metabolism, occurs after somatic death.
Modes of death: Coma, Syncope, Asphyxia.
Signs of Death A. Early signs- Immediate signs – cessation of heartbeat, respiration, reflexes.
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1. How would you vouch – Rental Income
1. Rent Agreement / Lease Deed: Verify terms, period, and tenant details.
2. Receipts / Bank Statement: Ensure rent is actually received and recorded.
3. Comparison: Match rent billed vs. rent received for accuracy.
4. Tenant Ledger / Records: Check consistency of entries over the period.
5. Authorisation & Tax Compliance: Ensure any concessions authorised and rent tax is correctly accounted.
2. How would you verify – Investment
1. Investment Schedule:...
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Converts low-octane naphtha into high-octane reformate used for gasoline and aromatics.
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Feed is mixed with hydrogen, heated and passed over catalyst in fixed-bed reactors.
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Major reactions are dehydrogenation to aromatics, isomerization to branched paraffins and mild hydrocracking.
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Operating conditions are 450–520 °C temperature and 10–45 atm pressure.
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Catalyst used is platinum on alumina or bimetallic Pt–Re on alumina.
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Main products are reformate, hydrogen, LPG and light hydrocarbons.
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Elliptic Curve Cryptography (ECC) is a public-key cryptography technique based on the mathematics of elliptic curves over finite fields.
It is widely used in blockchain systems such as Bitcoin and Ethereum for generating secure public-private key pairs and digital signatures.
The main advantage of ECC is that it provides high security with smaller key sizes, making it faster and more efficient. Mathematical Equation of ECC The general equation of an elliptic curve is:
y2=x3+ax+by^2 = x^3 + ax + by2=