What must be considered when performing a heat load calculation for a walk-in cooler or freezer?
A) The style of evaporator, the box temperature, and the type of refrigerant
B) Heat transmission, air infiltration, and product load
C) Heat gain through the walls, floor, and ceiling
D) The volume of the case, the temperature to be maintained, and the air changes per hour
B
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If the starter is forced to rotate at speeds above 1,000 rpm, it could be destroyed by centrifugal force.
Answer the following statement true (T) or false (F)
For the circuit shown in Figure P2.30, determine the power absorbed by the variable resistor R, ranging from 0 to 30 ?. Plot the power absorption as a function of R. Assume that vS = 15 V, RS = 10 ?.
What will be an ideal response?
Technician A says that a good relay should measure between 60 and 100 ohms across the coil terminals. Technician B says that OL should be displayed on an ohmmeter when touching terminals 30 and 87. Which technician is correct?
A) Technician A B) Technician B C) Both technicians D) Neither technician
Carcass traits evaluated in swine are fat depth over the first rib, ham score, and carcass muscling score.
Answer the following statement true (T) or false (F)