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Typology: Lecture notes
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Superheating the steam to higher temperature decreases the moisture content of the steam at the_______ A. turbine inlet B. compression inlet C. compressor exit D. turbine exit
Can be apply in Steam turbine cycle (Rankine), gas turbine cycle (Brayton) and combined cycle A. Hydroelectric plant B. Nuclear power plant C. Cogeneration plant D. Tidal power plant
In a Rankine cycle with fixed turbine inlet conditions. What is the effect of lowering the condenser pressure the heat rejected will.: A. increase B. decrease C. remains the same D. none of these
How do the following quantities change when the simple ideal Rankine cycle is modified with? The heat rejected: A. increase B. decrease C. remains the same D. none of these
During a combustion process, the components which exist before the reaction are called A. reaction B. combustion C. reactants D. product
Higher heating value when H20 in the product of combustion is in A. solid form B. vapor form C. gas form D. liquid form
Device which transfer heat from low temperature medium to a higher temperature one is a A. adiabatic B. refrigerator C. heat exchanger D. heat pump
Are generally more expensive to purchase and install than other heating systems , but they save money in the long run. A. Refrigerator B. Adiabatic C. Heat pumps D. Humidifyer
The most widely used absorption system is the ammonia-water system, where ammonia is serves as a refrigerant and H20 as the A. cooling B. heating C. heating and cooling D. transport medium
A process with no heat transfer is known as A. isobaric process B. adiabatic process C. isothermal process D. isothermal process
The relative density of a substance is the ratio of its density of: A. mercury B. oil C. gas D. water
The fact the total energy in any one energy system remains constant is called the principle of_____ A. Conservation of Energy B. Second Law of Thermodynamics C. Conservation of Mass D. Zeroth Law of Thermodynamics
A process for which the inlet and outlet enthalpies are the same a. isenthalpic b. enthalpy conservation c. throttling d. steady state