A 7490 decade counter, configured to count 0 to 9, and a 7492 MOD-12 ripple counter, configured to count 0 to 5, are connected so that the Q3 output of one IC is wired to the clock input of the other IC. What is the modulus of the total circuit?

A) MOD-16 B) MOD-160 C) MOD-50 D) MOD-60


D

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Write the general equation for a mass balance.

A soft drink bottling plant discharges a wastewater with a dissolved solids concentration of 10,000 mg/l NaCl, at a rate of 100 gal/min to a stream. The stream above the discharge has a volumetric flowrate of 1.0 MGD and a dissolved solids concentration of 25 mg/l. Below the discharge point is a prime fishing spot, and the fish are intolerant of salt concentrations above 200 ppm. What will be an ideal response?

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_______________ protection is found on only small motors, and is designed so that the motor will not burn out under locked rotor conditions.

Fill in the blank(s) with the appropriate word(s).

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____________ cells are bacterial cells that have been bathed in calcium chloride salts to render them able to receive vector DNA

Fill in the blank(s) with correct word

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When checking the resistance of the compressor start winding, the technician's multimeter shows 3.1 ohms. This indicates that:

A) The winding is grounded. B) The winding has continuity and is good. C) The winding is shorted. D) The winding is open.

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