MCQs of first lecture 12

What is the primary purpose of control circuits?

• A) To create power

• B) To manage and regulate electrical signals

• C) To replace mechanical systems

• D) To measure humidity

Which of the following is NOT an application of control circuits?

• A) Consumer electronics

• B) HVAC systems

• C) Industrial automation

• D) Geological surveys

What is a key feature of open-loop control systems?

• A) Automatic correction

• B) Feedback mechanism

• C) Output does not affect input

• D) Complex maintenance

What is an example of a closed-loop control system?

• A) Automotive air conditioning with constant fan speed

• B) Central cooling system with temperature sensors

• C) Unregulated hot water heating system

• D) Manual room ventilation

What does the acronym BMS stand for?

• A) Basic Management System

• B) Building Management System

• C) Backup Maintenance System

• D) Building Measurement System

In HVAC systems, what does a thermostat sensor measure?

• A) Humidity

• B) Pressure

• C) Temperature

• D) Airflow

What is a common actuator in control systems?

• A) Thermostat

• B) Motorized valve

• C) Temperature sensor

• D) Humidity sensor

Which type of HVAC system loop transfers heat to the condenser water?

• A) Chilled water loop

• B) Refrigerant loop

• C) Condenser water loop

• D) Indoor air loop

What is the purpose of a cooling tower loop in an HVAC system?

• A) To heat the water

• B) To reject heat to the atmosphere

• C) To circulate refrigerant

• D) To provide airflow in rooms

What type of control system requires continuous monitoring and adjustment?

• A) Open-loop

• B) Closed-loop

• C) Manual systems

• D) Passive systems