Technician A says a 70-30 mixture of water and ethylene glycol is the best coolant formula for most engines. Technician B says a 50-50 mixture of water and ethylene glycol is the best coolant formula for most engines. Who is correct?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A nor B
Answer: B
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Evaporative emissions from fuel tanks and evaporative systems are a source of __________ emissions.
Fill in the blank(s) with the appropriate word(s).
Naturally occurring chemicals that regulate plant growth and development are known as ________. Any chemical applied externally that can be used to regulate plant growth and development is known as a ________.
Fill in the blank(s) with the appropriate word(s).
El plan de elevación debe ser preparado por________.
a. el operador de la grúa únicamente b. el gerente del proyecto únicamente c. el aparejador únicamente d. todas las personas involucradas en la elevación
In the diagram the arrow indicates ______.
A. parts to be welded B. welding process C. reference line D. type and location of weld