What is the appropriate activity coefficient for dissolved cyanide, CN- in this solution if the sodium cyanide is the only dissolved species? (Use the Güntelberg approximation.)
A waste stream of 20,000 gal/min contains 270 mg/L of cyanide as NaCN.
What will be an ideal response?
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PROBLEM 3.119 In Prob. 3.118, determine the permanent angle of twist of the rod. PROBLEM 3.118 The hollow shaft shown is made of a steel that is assumed to be elastoplastic with and The magnitude T of the torques is slowly increased until the plastic zone first reaches the inner surface of the shaft; the torques are then removed. Determine the magnitude and location of the maximum residual shearing stress in the rod.
Which of the following could result in low engine compression?
A) Damaged valve B) Cylinder head gasket leak C) Damaged piston or piston ring D) All of these are correct.
If the 1/2 drill in question 1 was held in the tailstock of the lathe instead of a drill press, how fast should the lathe spindle turn?
A) 2880 RPM B) 720 RPM C) 180 RPM D) 360 RPM
A transistor has the following parameters in a common-emitter circuit:
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What is the voltage amplification of the transistor? How many decibels gain is this?