CPM Energy Management & Utilities 2

Question 1

What is 'demand response' in the context of industrial energy management?

Accepted Answer

Voluntarily reducing power consumption during peak grid periods in exchange for incentives

Answer

Responding to customer demand for energy-efficient products

Answer

Automatically increasing production during off-peak energy hours

Answer

A utility program that installs smart meters at no cost to the customer

Question 2

Compressed air systems in manufacturing are noted for being energy-inefficient because:

Accepted Answer

Only 10–30% of electrical input energy is converted to useful pneumatic work

Answer

They require expensive rare-earth materials to manufacture compressors

Answer

They are exempt from power factor correction requirements

Answer

They operate exclusively on three-phase power, which is inefficient

Question 3

The primary advantage of a combined heat and power (CHP) system over separate heat and power generation is:

Accepted Answer

Overall system efficiency of 70–90% by utilizing waste heat from power generation

Answer

Lower capital cost than conventional boiler systems

Answer

Complete elimination of all greenhouse gas emissions

Answer

Compatibility with all existing electrical systems without any modification

Question 4

An energy balance analysis for a manufacturing process is primarily used to:

Accepted Answer

Identify all energy inputs, outputs, and losses to prioritize improvement opportunities

Answer

Calculate monthly utility bill projections

Answer

Determine equipment depreciation schedules for tax purposes

Answer

Set individual employee energy-saving performance targets

Question 5

Which lighting technology offers the best combination of energy efficiency and longest service life for industrial facilities?

Accepted Answer

LED (Light Emitting Diode) fixtures

Answer

High-intensity discharge (HID) metal halide

Answer

T8 fluorescent with electronic ballasts

Answer

High-pressure sodium vapor

Question 6

Energy sub-metering within a plant is primarily used to:

Accepted Answer

Identify energy consumption by individual process, department, or equipment

Answer

Replace the main utility meter for billing purposes

Answer

Automatically reduce peak demand by shedding loads

Answer

Monitor employee compliance with energy-saving policies

Question 7

On-bill financing (or 'pay-as-you-save') programs for energy efficiency projects primarily address:

Accepted Answer

The upfront capital cost barrier for energy efficiency improvements

Answer

Utility rate negotiation strategy

Answer

Carbon tax and regulatory compliance obligations

Answer

Employee incentive programs for voluntary conservation