Mathematically, the rate of change of a quantity is known as the ____.

a. proportion
b. integer
c. fluctuation
d. derivative


d. derivative

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R-134a enters an insulated diffuser at a velocity of 200 m/s at a pressure and temperature of 800 kPa and 60°C, respectively. The R-134a exits at 1.60 MPa and 85°C. Determine the exit velocity.

Given: R-134a: P1 = 800 kPa; T1 = 60°C; V1 = 200 m/s; P2 = 1,600 kPa; T2 = 85°C Insulated, so assume, Q?=0 What will be an ideal response?

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The purpose of grounding is to limit the magnitude of current surges.

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

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Describe the procedure for using a putty stick

What will be an ideal response?

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____________________________ of air is the measure of heat content in btu per pound of air.

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

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