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| Section | Weight | Objectives |
|---|---|---|
| Energy Accounting and Economics | 15% | - Life cycle costing and economic analysis - Time value of money, NPV, IRR, payback analysis - Utility rate structures and tariffs - Energy units and conversions |
| Industrial Systems | 6–8 | - Compressed air, pumping, and drying systems - Process energy efficiency |
| Energy Savings Performance Contracting | 5% | - Contract structures and financing - Guaranteed savings and risk allocation |
| Building Automation and Controls | 5% | - Automation and optimization - Building management systems - Control systems and strategies |
| Codes, Standards and Regulations | 5% | - Sustainability policies and frameworks - Compliance and reporting requirements - Energy efficiency codes and standards |
| Distributed Generation and Renewable Energy | 4–6 | - Combined heat and power (CHP) - Grid integration and economics - Solar, wind, biomass, geothermal |
| Electrical Power Systems and Motors | 15% | - Power factor correction and load management - Power distribution and quality - Motor systems, efficiency and controls |
| Operations, Maintenance and Commissioning | 5% | - Commissioning and retro-commissioning - Maintenance best practices |
| HVAC Systems and Building Envelope | 15% | - Heating, ventilation and air conditioning - Thermal envelope performance - Load calculation and system selection |
| Measurement and Verification | 5% | - Baseline development and savings calculation - M&V protocols and standards |
| Lighting Systems | 10% | - Lighting technologies and efficiency - Daylighting integration - Design and control strategies |
| Energy Storage Systems | 3–5 | - Integration and benefits - Storage technologies and applications |
| Boiler and Steam Systems | 4–6 | - Maintenance and optimization - Operation and efficiency |
| Energy Audits and Instrumentation | 10% | - Audit levels and methodologies - Measurement tools and instrumentation - Data collection and analysis - Energy performance indicators |
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NEW QUESTION # 140
How much energy (kJ) is required to heat 2 kg of water from 25°C to 2 kg of water at 100°C? (The specific heat of water (C) is 4.2 kJ/kg-°C. Assume no system losses.)
Answer: A
NEW QUESTION # 141
What is the best type of heat exchanger to recover and transfer latent heat energy from one air stream to another?
Answer: E
NEW QUESTION # 142
A concentrating solar thermal system collects 5 GJ/h of thermal heat, which is delivered to a 94% efficient hot water generator. The hot water generator is used to raise the water temperature from 15°C to 65°C. The specific heat of water (Cp) is 4.2 kJ/kg-°C. What flow rate (liter/second) of hot water can be delivered from the hot water generator?
Answer: B
Explanation:
Step 1: Compute Useful Thermal Energy Output
Given:
* Solar system delivers5 GJ/h
* Hot water generator efficiency= 94%
A screenshot of a math problem AI-generated content may be incorrect.
NEW QUESTION # 143
What is the main reason for using instrumentation in energy audits?
Answer: D
Explanation:
Instrumentation in energy audits serves multiple functions, but theprimary reasonis to determine energy flows.
* Measuring Energy Flows:
* Instrumentation helpsquantify energy usein different systems, such as electricity, HVAC, and industrial processes.
* It helps identifywhere energy is used, lost, or wasted.
* Supporting Energy Conservation Efforts:
* By measuring energy flows, auditors canidentify inefficienciesand recommend solutions.
* Other Options Analysis:
* Saving energy (A):A result of energy audits, not the main purpose.
* Validating utility bills (C):Important but secondary to understanding energy flows.
* Supporting the local economy (D):Not relevant.
Thus, the correct answer isB. Determine energy flows.
NEW QUESTION # 144
What does a manometer measure?
Answer: A
Explanation:
Amanometeris used to measurepressure, particularly in gases and liquids.
Step 1: Analysis of Each Option
* Pressure (A):#Correct. Manometers are commonly used in HVAC, industrial, and lab applications.
* Volume (B):#Incorrect. Volume is measured using flow meters or tanks.
* Distance (C):#Incorrect. Distance is measured using rulers or lasers.
* Voltage (D):#Incorrect. Voltage is measured using voltmeters.
Thus, the correct answer isA. Pressure.
NEW QUESTION # 145
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