اسئلة MCQ لمقرر محطات الطاقة

What is the main equipment responsible for generating electric power in a power plant?

• Turbine

• Generator

• Boiler

• Condenser

Which form of energy is easy to produce, transport, use, and control?

• Mechanical energy

• Heat energy

• Electrical energy

• Radiant energy

What is the unit of measurement for energy?

• Calorie

• Joule

• Kilowatt-hour

• Megawatt

Which type of energy is associated with waves traveling at the speed of light?

• Thermal energy

• Chemical energy

• Radiant energy

• Kinetic energy

What is the rate at which work is done called?

• Energy

• Power

• Force

• Heat

Which of the following is NOT a unit of power?

• Watt

• Joule per second

• Horsepower

• Kilocalorie

In the Rankine cycle, when superheat is increased at constant pressure, what happens to the mean temperature of heat addition?

• It decreases.

• It remains unchanged.

• It increases.

• It depends on the specific working fluid.

What effect does an increase in turbine inlet pressure have on the mean temperature of heat addition in the Rankine cycle?

• It decreases.

• It remains unchanged.

• It increases.

• It depends on the type of turbine.

What is the purpose of reheat in the Rankine cycle?

• To increase the efficiency of the condenser

• To reduce the overall cycle temperature

• To improve the quality of steam at turbine exhaust

• To decrease the mean temperature of heat addition

What is the primary purpose of the condenser in a vapor power plant?

• To increase the pressure of the working fluid

• To superheat the steam

• To reject heat to a cooling medium

• To compress the working fluid