313D Load Calculation and Blueprints 2

Question 1

Which ACCA manual is the industry standard for residential cooling and heating load calculations?

Accepted Answer

Manual J

Answer

Manual D

Answer

Manual S

Answer

Manual T

Question 2

On a residential blueprint, what does the symbol 'CFM' stand for in ductwork notation?

Accepted Answer

Cubic Feet per Minute

Answer

Central Fan Module

Answer

Cubic Flow Measurement

Answer

Cooling Fan Modulator

Question 3

When calculating cooling loads, which factor accounts for heat transmitted through walls, ceilings, and floors?

Accepted Answer

Conduction load

Answer

Infiltration load

Answer

Internal load

Answer

Solar radiation load

Question 4

What does a dashed line typically represent on a mechanical floor plan?

Accepted Answer

Hidden or overhead ductwork

Answer

Electrical conduit

Answer

Plumbing drain lines

Answer

Structural beams

Question 5

In a Manual J calculation, what is the design temperature difference (DTD)?

Accepted Answer

Difference between outdoor design temp and indoor setpoint

Answer

Daily temperature swing outdoors

Answer

Temperature drop across the evaporator coil

Answer

Temperature rise across the heat exchanger

Question 6

Which blueprint drawing type shows a view from directly above, revealing room layouts and duct routing?

Accepted Answer

Floor plan

Answer

Elevation view

Answer

Section view

Answer

Detail drawing

Question 7

What does the 'R-value' represent when reading insulation specifications on blueprints?

Accepted Answer

Thermal resistance of the insulation material

Answer

Relative humidity rating

Answer

Refrigerant charge value

Answer

Roof pitch ratio