Which soil would have the lowest CEC?
A) clay loam
B) loamy sand
C) ?sand
D) organic
C
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The lower the pH number, the more acidic a substance is
Indicate whether the statement is true or false
____ is popular because of low cost equipment and supplies, flexibility, portability, and versatility.
A. Shielded metal arc welding process B. Gas metal arc welding process C. Oxyfuel welding process D. Gas tungsten arc welding process E. none of the above
A technician is preparing to do an oil change on a hybrid vehicle. What special precaution needs to be taken BEFORE performing this service?
A) Do not lift the vehicle more than 12 inches off the floor B) Make sure the ignition is "OFF" and the key is removed from the ignition switch. C) Leave the hood closed when draining the oil D) Disconnect any orange colored wiring harnesses
How can negative room pressure create a hazardous situation in a house with combustion appliances?
A) combustion products can spill into the house B) all the heat can be sucked out of the room through the vent C) the appliance may burn excessively hot D) the gas pressure may be affected