EMP Data Collection & Analysis 3

Question 1

Which type of chart is best suited for visualizing energy consumption trends over a 12-month period?

Accepted Answer

Line chart

Answer

Line charts effectively display how a continuous variable like energy consumption changes over a sequential time period.

Question 2

A facility's energy data shows a consistent spike every Monday morning. What analytical technique best identifies this recurring pattern?

Accepted Answer

Load profile analysis

Answer

Load profile analysis plots energy demand against time of day and day of week, revealing recurring operational patterns like Monday morning startups.

Question 3

What is the correct formula for calculating energy savings using the IPMVP Option A (Key Parameter Measurement) approach?

Accepted Answer

Savings = (Adjusted Baseline Energy) – (Reporting Period Energy)

Answer

IPMVP Option A adjusts the baseline to reporting period conditions using some measured and some stipulated parameters, then subtracts actual reporting energy.

Question 4

Which data quality issue occurs when a meter records the same value repeatedly due to a communication failure?

Accepted Answer

Frozen data

Answer

Frozen data (stuck values) occurs when a sensor or meter stops updating and transmits the last valid reading repeatedly.

Question 5

In energy data analysis, what is 'data normalization' primarily used for?

Accepted Answer

Adjusting energy data to account for varying operating conditions

Answer

Normalization adjusts raw consumption data for factors like weather, occupancy, or production output to enable meaningful performance comparisons.

(EMP) Energy Management Professional Practice Test

(EMP) Energy Management Professional Practice Test

EMP Data Collection & Analysis 3