Technician A says that in a standard SAE relay, the common terminal assignment is identified by the numeric code 3. Technician B says that in a standard SAE relay, the control coil terminals are identified by numeric codes 4 and 5. Who is correct?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A nor B
Answer: A
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Which of the following is NOT a principle of behavior-based safety?
A) Planned interventions B) Intervention C) Application of the MBWA theory D) Identification of internal factors
Why should deionized water be used for cooling high-amperage plasma torches?
A. It is free of materials that can clog the small internal openings in the torch. B. It is free from conductive ions that can damage torch parts over time. C. It will not freeze in cold weather. D. Both a and b are correct.
Refer to Exercise 8.
a. Assume that P = 224.51 ± 0.04 kPa and V = 11.237 ± 0.002 L. Estimate T, and find the relative uncertainty in the estimate. b. Assume that P = 224.51 ± 0.04 kPa and T = 289.33 ± 0.02 K. Estimate V, and find the relative uncertainty in the estimate. c. Assume that V = 11.203 ± 0.002 L and T = 289.33 ± 0.02 K. Estimate P, and find the relative uncertainty in the estimate.
A periodic signal f(t) is shown below. The period is T0 = 4 s and the peak to peak amplitude is A = 4V.
(a) Find the dc component a0 = c0 = F0 of the Fourier series representation.
(b) Find the exponential Fourier coefficients Fn, n ? 0.
(c) Find the numerical value of F3.
