Above the Laws
Terms and Conditions
Glow Big or Go Home
Straight Gas
Mathletes are Athletes
100
The First Law of Thermodynamics
What is
• energy can neither be created nor destroyed, only altered in form
• The total quantity of energy in the universe is constant
100
The internal energy (Kinetic Energy) contained in a substance
What is Temperature?
100
3 Advantages and 3 Disadvantages of Nuclear Power
What are
Adv: Unlimited Cruising range, high energy density, less reliance on outside air
Disadv: High training required, high cost, potential for incident, increased admin
100
The advantages of Controllable Reversable Pitch (CRP)?
What are increased efficiency and ship reversal without the propeller changing direction?
100
The conversion of 100C to R
What is 671.67 R
200
The energy that must be added to the nucleus to break it up into the component nucleons
What is Binding Energy?
200
Type of Flow that promotes heat transfer
What is turbulent flow?
200
The four steps in the steam cycle and associated pieces of equipment
What are
Generation (S/Gs)
Expansion (Turbines)
Condensation/ Rejection (Condenser)
Feed/ Compression (Pumps)
200
The 4 stages of the Diesel cycle?
What are Intake, Compression, Combustion, Exhaust?
200
A heat engine operates with an efficiency of 35% and receives 800 Btu of heat energy.
The work output of the engine.
What is 280 Btu of work?
300
The 2nd Law Entropy Statement
What is
The overall change of entropy
of the system plus the surroundings is never less than
zero.
300
The total energy of the fluid due to both internal energy & flow energies
What is Enthalpy?
300
The effect of changing temperature of Reactor Power?
Temperature Increases -> Density Decreases -> Less chance for moderation -> Fast neutrons cause fission less -> Reactor Power Decreases
300
This section of the gas turbine produces hot, pressurized exhaust
What is the gas generator section or the Compressor/ Combustor?
300
A small piston with an area of 2 in² is used to lift a car weighing 2,400 lb using a larger piston with an area of 400 in².
How much force must be applied to the small piston to lift the car?
What is 12 lbs?
400
The Clausius Statement
What is
no process is possible where the sole result is the removal of heat from a low-temp reservoir and the absorption of an equal amount of heat by a high temp reservoir
• heat does not flow from cold to hot
400
The attractive and repulsive forces in a nucleus between nucleons?
What are the Strong and Coulomb forces?
400
Standard Notation for a Helium atom with 4 neutrons
What is 
400
Plant lineup with one turbine supplying each shaft
What is Split Plant lineup?
400
A gauge in Room 1 reads 9 psig. The atm pressure of the room is 4 psi.
A gauge in Room 2 reads 14 psig. The atm pressure of the room is 1 psi.
The DP of the two rooms?
What is 2 psid?
500
The Kelvin-Planck Statement
The amount of generated heat will never yield and equivalent amount of work
500
A process in which there is no heat transfer
What is adiabatic?
500
The condition that occurs when the Net Positive Suction Head of a pump is not high enough
What is cavitation?
500
Three characteristics of a ship's propulsion train/ Main Reduction Gears
What are Double Reduction, Locked Train, and Articulated Shaft?
500
A heat engine operates between a high-temperature reservoir at 600°F and a low-temperature reservoir at 100°F.
The maximum theoretical (Carnot) efficiency of the engine.
What is ηmax=47.2%?