When a cad cell senses light, the resistance measured on the cell is very low.

Answer the following statement true (T) or false (F)


False

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Based on the statistics of fatalities in building fires in the United States, which building type has the worst record?

A) Multifamily dwellings B) Hotel buildings C) One - and two-family dwellings D) Office buildings E) Industrial buildings

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Assume that µ,h, and ? are measured independently and that the measurements are unbiased and normally distributed. The measured values are µ=1.6Pa ? s, h=15 mm, and ?=25 Pa. The uncertainties (standard deviations) of these measurements are =0.05, =1.0, and =1.0.

In a Couette flow, two large flat plates lie one atop another, separated by a thin layer of fluid. If a shear stress is applied to the top plate, the viscosity of the fluid produces motion in the bottom plate as well. The velocity V in the top plate relative to the bottom plate is given by V=?h/µ where ? is the shear stress applied to the top plate, h is the thickness of the fluid layer, and µ is the viscosity of the fluid.

a. Use the method of propagation of error (Section 3.3) to estimate V and its uncertainty?V.
b. Assuming the estimate of V to be normally distributed, find a 95% confidence interval for V.
c. Perform a simulation to determine whether or not the confidence interval found in part (b) is valid.

a. Use the method of propagation of error (Section 3.3) to estimate V and its uncertainty .
b. Assuming the estimate of V to be normally distributed, find a 95% confidence interval for V.
c. Perform a simulation to determine whether or not the confidence interval found in part (b) is valid.

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A meter used to measure amperes is called a(an) _____________

A) Coulomb meter B) Ampmeter C) Ammeter D) Amp meter

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All safety glasses should meet standards set by ________

A) ASE
B) ANSI
C) DOT
D) SAE

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