After screeding, concrete should be further leveled by using a _____.
a. drag
b. darby
c. drift
d. dilly
b. darby
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Gas is bled from a tank. Neglecting heat transfer between the gas and the tank, show that mass and energy balances produce the differential equation: 
Here, U and m refer to the gas remaining in the tank; H? is the specific enthalpy of the gas leaving the tank. Under what conditions can one assume H? = H?
Mortar is measured in cubic yards or cubic meters.
Answer the following statement true (T) or false (F)
Integrated pest management (IPM) ______________________
A. involves a constant surveillance of pests at a location B. attempts to reduce insect pests through the use of biological pest management techniques C. uses pesticides only as a last resort, and then must apply them in a way that targets the type an amount of the pest threat D. all of the above
When checking the ECT sensor with a scan tool, about what temperature should be displayed if the connector is removed from the sensor with the key on, engine off?
A) 284°F (140°C) B) 120°F (50°C) C) 230°F (110°C) D) -40°F (-40°C)