The principle of electro-magnetism states that electrical current flows through an electrical ____, a magnetic field will be created.
a. insulator
b. conductor
c. line of flux
d. electron
b. conductor
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Technician A says that advancing diesel fuel injection timing by one degree can cause greatly increased NOx in the end gas. Technician B says that retarding diesel fuel injection timing tends to increase the output of HC in the exhaust gas. Who is correct?
A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B
HACCP is science based
Indicate whether the statement is true or false
Which color would be typical of a well drained, low-organic matter, sandy surface soil?
A) 10YR5/8 B) 10YR8/4 C) 7.5YR2/2 D) 2.5YR6/1 E) 7.5YR6/2
A downside of using deep-cycle batteries is
A) they are inefficient B) they are expensive C) they require regular maintenance D) all of the above