What is a heating degree day, and how is it relevant to building codes?
What will be an ideal response?
A heating degree day is a metric that is designed to estimate how much energy is required to heat a building in different climates. It estimates heating load based on departures from an outside temperature at which no heating is presumed necessary. It is relevant to building codes because building energy codes will typically specify the amount of insulation required based on the number of heating degree days in a location.
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An apprentice in training is exempt from the technician certification requirement for a period of _____.
a. five years after training has been completed b. two years after training has been completed c. five years from the date the apprenticeship was initially registered d. two years from the date the apprenticeship was initially registered
A recommended rule of thumb for planting distance is to have perennials planted at _____ the mature height of the plant
A) 1/3 B) 1/4 C) 2/3 D) 1/2
Technician A says that MAP sensors use a 5-volt reference voltage from the PCM. Technician B says the MAP sensor voltage will be higher at idle at high altitudes compared to when the engine is operating at near sea level. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
What may be safely used to check a system for leaks at pressures of around 100 psig?
A) Neon B) Hydrogen C) Nitrogen D) Oxygen