Improper placement techniques or equipment can cause concrete _____.
a. separation
b. spalling
c. segregation
d. slumping
c. segregation
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What component of process control instrumentation systems converts one instrumentation signal type into another type?
A) Alarm B) Control valve C) Transducer D) Valve positioner
To make an emergency stop with air brakes, using the stab braking method, you should:
a. Pump the brake pedal rapidly and lightly. b. Brake hard until the wheels lock, and then get off the brakes for as much time as the wheels were locked. c Press on the brake pedal as hard as you can, release the brakes when the wheels locked, put on the brakes again when the wheels start rolling.
Which of the following statements about the use of turnbuckles is correct?
a. Hook-and-hook turnbuckles are preferred over eye-and-eye turnbuckles for rigging. b. Turnbuckles are used to adjust the length of rigging connections. c. Turnbuckles are best tightened with a pipe wrench at least 24" (61 cm) in length. d. When using multi-legged slings or hitches, two turnbuckles should be used on each leg.
General expenses that cannot be priced until the total price of the work is determined are separated from the other general expense items and are priced at the end of the estimate as "____."
A. overhead B. add-ons C. overruns D. conditionals