The standard established to ensure that the threads on all pipe and fittings would fit together properly is
A. ABS
B. ASME
C. NPT
D. NFPA
Answer: C
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In December 2007, the federal government enacted the ____________________ Act of 2007, which requires all general-purpose light bulbs that produce 310-2600 lumens of light to be 30% more energy efficient than current incandescent bulbs beginning in 2012.
Fill in the blank(s) with the appropriate word(s).
Mohair is a fiber from the fleece of the ____________________ goat
Fill in the blank(s) with correct word
What opens and closes the valves in a reciprocating compressor?
A) A cam shaft B) Pressure difference across the valves C) Hydraulic valve lifters D) The piston pushes them open
An ammeter is used as shown in Figure P2.78. The ammeter model consists of an ideal ammeter in series with a resistance. The ammeter model is placed in the branch as shown in the figure. Find the current through R5 both with and without the ammeter in the circuit for the following values, assuming that RS = 20 ? , R1 = 800 ? , R2 = 600 ? , R3 = 1.2 k? , R4 = 150? , and vS = 24 V.
a. R5 = 1 k?
b. R5 = 100?
c. R5 = 10?
d. R5 = 1?
