What are the dimensions of a standard cinder block?
What will be an ideal response?
The dimensions of standard cinder block are 7 5/8 in high and 15 5/8 in. long when they are laid with a
3/8-in. mortar joint.
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A flywheel is attached to a crankshaft by 12 bolts, numbered 1 through 12. Each bolt is checked to determine whether it is torqued correctly. Let A be the event that all the bolts are torqued correctly, let B be the event that the #3 bolt is not torqued correctly, let C be the event that exactly one bolt is not torqued correctly, and let D be the event that bolts #5 and #8 are torqued correctly. State whether each of the following pairs of events is mutually exclusive.
a. A and B b. B and D c. C and D d. B and C
____ oscillators, a type of sinusoidal oscillators, use a tank circuit of capacitors and inductors, connected either in series or parallel, to determine the frequency.
A. LC B. Crystal C. RC D. Blocking
Hazardous materials include all of the following EXCEPT ________
A) Engine oil B) Water C) Asbestos D) Brake cleaner
A heat recovery ventilator is more energy efficient than a balanced ventilation system consisting of an exhaust blower and a supply air blower because
A) it recovers energy from the compressor B) it recovers energy from the exhaust air C) it recovers energy from the attic D) it recovers energy from the system blower