Traditional concrete masonry unit (CMU) construction is insulated on either the interior or the exterior surface, usually with ____ foam.
A. rigid
B. layered
C. soft
D. particleboard and
Answer: A
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The CADD computer includes a number of ____ chips, each of which controls a specific function.
A. vacuum B. integrated-circuit C. relay D. interface
A balanced three-phase wye-delta system has Van = 240?0? V rms and Z? = (51+j45) ?. If the line impedance per phase is (0.4 +j1.2) ?, find the total complex power delivered to the load.
What will be an ideal response?
Technician A says that a relay is an electromagnetic switch. Technician B says that a solenoid uses a movable core. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
A mechanic works on a differential overhaul. The starting time is 9:15 A.M., and finishing time is 2:00 P.M. At $12.85 per hour, find, to the nearest cent, the amount the mechanic earned. (Allow one hour for lunch.)
A. $44.57 B. $48.19 C. $52.73 D. $55.24