A fuel injection system that does not use a sensor to measure the amount (or mass) of air entering the engine is usually called a(an) ________ type of system

Listed on the MSDS, the ____ is the maximum amount of exposure during a 15-minute period in one 8-hour workday.

A. permissible exposure limit (PEL) B. threshold limit value (TLV) C. short-term exposure limits (STEL) D. upper explosive limit (UEL)

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.

19th-century Baltimore postmaster John Stuart Skinner is considered the father of American agricultural:

a. technology b. science c. marketing d. journalism

The UNIX/Linux shell acts as a(n) ____ when reading script files.

A. compiler B. interpreter C. assembler D. linker