A plant can be classified as a weed if it:
a. causes economic loss to a crop c. is detrimental to wildlife or ecosystems
b. is harmful to humans and livestock d. All answers are correct.
D
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What would be the highest thermal efficiency achievable in a current truck diesel engine?
A. 10% B. 25% C. 40% D. 60%
____ (FCU) are intended to provide more heat than ventilation.
A. Fan cabinet units B. Field cabinet units C. Fan coil units D. Field coil units
Interior overhead lights (dome lights) are operated by door jamb switches that ________
A) Complete the power side of the circuit B) Complete the ground side of the circuit C) Move the bulb(s) into contact with the power and ground D) Either A or B depending on application
Technician A says the cooling system must be full for a pressure test to be effective. Technician B says the cooling system should never be pressurized beyond the specified pressure cap rating. Who is correct?
A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B