A. IEC 60079 series
B. NEMA 250
C. NFPA 70
D. IEEE 112
A. apparent power.
B. mho.
C. power factor.
D. real power.
A. only the latest code editions, regardless of contract requirements
B. only verbal instructions from procurement
C. the most current project documents specified in the engineering design
D. internal procedures but not drawings
A. To verify the maximum process temperature does not exceed high levels
B. To verify the process temperature and the equipment temperature have the same Class I rating
C. To ensure that the equipment maximum temperature does not exceed the autoignition temperature of the specific gas or vapor to be encountered
D. To ensure the equipment is compatible with the other Class I devices
A. End-user operating philosophy only
B. Future plant expansion strategy
C. Quality requirements such as ITP, NCRs, and inspection frequency
D. Employee annual leave planning
A. routine test.
B. design test.
C. complete test.
D. compliance test.
A. 1000 kW and larger only
B. 250 hp and larger
C. 100 hp and larger
D. 375 kW (500 hp) and larger
A. Yes, the use of Teflon on metal raceways, cable armor, and other metal enclosures prevents water from entering
B. Only when installed in a Class I, Division 2 area
C. Yes, the use of Teflon ensures an explosion proof vapor seal
D. No, metal raceways and other metal enclosures for conductors shall be metallically joined together into a continuous electrical conductor