A diagram commonly used in chemical and process engineering to indicate the general flow of plant processes and equipment.
What is a process flow diagram (PFD)?
100
The measure of average force per unit area.
What is stress?
100
A series of objects all of which are the same size and type.
What is an array?
100
The bulk movement of electrical energy from a generating site, such as a power plant, to an electrical substation.
What is transmission?
200
A radioactive isotope of hydrogen containing one proton and two neutrons.
What is tritium?
200
This law states that for any system closed to all transfers of matter and energy, the mass of the system must remain constant over time, as system mass cannot change quantity if it is not added or removed.
What is conservation of mass?
200
The ratio of total deformation or change in length to the initial length.
What is strain?
200
A data structure which is used to store data in a particular order.
What is a stack?
200
A property of a conductor by virtue of which the passage of current is opposed, causing electric energy to be transformed into heat: equal to the voltage across the conductor divided by the current flowing in the conductor.
What is resistance?
300
The application of one material over another to provide a skin or layer, used to provide a degree of thermal insulation and weather resistance, and to improve the appearance of buildings.
What is cladding?
300
A thermodynamic property of a real gas that, if substituted for the pressure or partial pressure in the equations for an ideal gas, gives equations applicable to the real gas.
What is fugacity?
300
The turning effect produced by a force, often synonymous with torque.
What is the moment?
300
A linear data structure which basically stores the data sequentially, following First In First Out (FIFO) order.
What is a queue?
300
This is measured in Newton-meters per ampere (Nm/A), also called teslas (T).
What is magnetic flux density?
400
This type of valve is used for emergency relief during overpressure events and uses system pressure to seal the valve.
What is a Pilot-operated relief valve (PORV)?
400
This reactor runs at steady state with continuous flow of reactants and products; the feed assumes a uniform composition throughout the reactor, exit stream has the same composition as in the tank
What is a continuous stirred tank reactor (CSTR)?
400
The weakening of a material caused by repeatedly applied loads.
What is fatigue?
400
A linear data structure where each element is a separate object.
What is a linked list?
400
Electrical contacts in mechanical pushbutton switches often make and break contact several times when the button is first pushed. This kind of circuit removes the resulting ripple signal, and provides a clean transition at its output.
What is a debouncing circuit?
500
An independent agency of the United States government tasked with protecting public health and safety related to nuclear energy.
What is the Nuclear Regulatory Commission (NRC)?
500
This function is the ratio of the output to the input of a system represented in Laplace space.
What is a transfer function?
500
A DC-coupled high-gain electronic voltage amplifier with a differential input and, usually, a single-ended output.
What is an operation amplifier?
500
A method where the solution to a problem depends on solutions to smaller instances of the same problem, as opposed to iteration.
What is recursion?
500
A process used in microfabrication to pattern parts of a thin film or the bulk of a substrate. It uses light to transfer a geometric pattern from a photomask to a light-sensitive chemical "photoresist" on the substrate.