Answer the following statement(s) true (T) or false (F)
1. In the case of wind turbines, grounding is not necessary for the wind machine tower nor the wind electric system.
2. The wiring for emergency electrical systems is required to be run independently from normal power and lighting circuits.
3. Flame detectors are required by codes.
4. The boundary between the n-type and p-type semiconductors is called a tap.
5. A typical fuel cell power system produces a constant supply of electricity day and night.
1. FALSE
2. TRUE
3. FALSE
4. FALSE
5. TRUE
You might also like to view...
In a single -span mullion system for a glass curtain wall, _______.
A) one expansion anchor is provided at every alternate floor level. B) two expansion anchors are provided at every floor level. C) only one expansion anchor is provided for the entire height of the wall. D) one expansion anchor is provided at every floor level. E) two expansion anchors are provided at every alternate floor level.
Match each item with a statement below.
A. home directory for the system administrator B. houses software offered to users C. programs that start the system, programs needed for file system repair, and essential network programs are stored in this directory D. is a relatively new recommendation of the FHS E. houses kernel modules, security information, and the shared library images F. this directory occupies no space on the disk G. holds subdirectories that often change in size H. mount points for temporary mounts by the system administrator reside in this directory I. temporary place to store data during processing cycle
Adjacent dimension numerals are staggered for easier reading on the print.
Answer the following statement true (T) or false (F)
The controller for a humidifier, a humidistat, has a power element that is ____ sensitive.
A. moisture B. light C. infrared D. temperature