If five No. 10 AWG current-carrying conductors are installed in a raceway where the ambient temperature is 70°F, the allowable ampacity must be ____
a. increased by 15%
b. increased by 20%
c. reduced to 80% of its value
d. reduced to 60% of its value
c. reduced to 80% of its value
You might also like to view...
Why must the air from a heat pump operating in the heating mode be distributed carefully?
What will be an ideal response?
Answer the following statement(s) true (T) or false (F)
1. The division line between hazardous and non-hazardous may be a physical barrier, or it may simply be a distance limit. 2. A Division 1 area is one in which, under normal operating conditions, a hazardous material is present in dangerous quantities only because of accidental spills or other unusual circumstances. 3. Class I locations are characterized by flammable flyings and fibers. 4. As a result of major changes to the 2011 Code, equipment marking designations for protection may be a prefix or suffix letter to indicate D for dust, G for gas, and M for mining. 5. An area is considered hazardous because of the highly flammable nature of a vapor, gas, dust, or solid material that may be easily ignited to cause fire or an explosion.
Hydraulic conductivity is commonly higher in soils on which conventional tillage systems have been used than where no-tillage systems have been followed
Indicate whether the statement is true or false
The space behind the piston ring is called ________
A) Piston ring clearance B) Back clearance C) Forward clearance D) Side clearance