Which type of thread standard uses more threads per inch?

A) National coarse (NC) B) National fine (NF)
C) AHRI standard threads D) Pipe threads


B

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Some smart meters transmit their data via a dedicated radio frequency (RF) network owned by the utility, while others use ____________________ networks.

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

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A piston-cylinder device initially contains 10 kg of saturated steam at P = 2 MPa. Heat is added and the steam expands until its temperature is 673.15 K. The external and internal pressure are both 2 MPa throughout the process. How much heat was added?

A. 3.48 MJ B. 4.52 MJ C. 20.4 MJ D. 2.0 MJ E. Insufficient information to solve

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Can the plain cylindrical grinder produce a tapered (conical ) surface?

A) No, it can only produce a true cylinder B) No, the machine was not designed for this purpose C) Yes, the table can be swiveled for this purpose D) No, the cylindrical grinder is for making precision bores

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If the spring pressure of a water regulating valve is increased, the system head pressure will also increase.

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

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