A contractor pays two masons $24.75 per hour, an apprentice mason $10.55 per hour, and two laborers each $12.25 per hour. What is the total hourly wages for the four workers?
What will be an ideal response?
$84.55
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A whole-house dehumidifier:
A) Requires that a plastic bucket be emptied twice a day. B) Can connect to ductwork to dehumidify the air in the entire house. C) Normally conditions one room at a time. D) Is installed in an existing air handler, replacing the evaporator coil.
For the circuit of Figure P3.19, write the mesh equations in matrix form. Notice the form of the [R] and [V] matrices in [R] [I ] = [V], where
Write the matrix form of the mesh equations again by using the following formulas:
rii = resistances around loop i
ri j = ? resistances shared by loops i and j
Vi = source voltages around loop i
What is a ribbed concrete slab-on-ground?
What will be an ideal response?
The pump should be located between the tower and the chiller so that:
A) The water is "pulled" from the tower and "pushed" through the condenser. B) The inlet for the sump can be piped to both the sump and the condenser. C) The water is "pulled" from the condenser and "pushed" into the tower. D) The inlet for the pump is above the water level in the sump.