What units are used to indicate specific enthalpy?
A) BTU lb B) BTU/lb
C) BTU D) Degrees Fahrenheit
B
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PROBLEM 2.13
Rod BD is made of steel and is used to brace the axially compressed member ABC. The maximum force that can be developed in member BD is 0.02P. If the stress must not exceed 18 ksi and the maximum change in length of BD must not exceed 0.001 times the length of ABC, determine the smallest-diameter rod that can be used for member BD.
Answer the following statement(s) true (T) or false (F)
1.When using three-wire Type NM cable the white insulated wire is sometimes used as a traveler conductor for three-way and four-way switching and is required to be reidentified as an ungrounded conductor. 2.Like a four-way switch, a double-pole switch has four terminal screws and the toggle has “On” and “Off” written on it. 3.Like single-pole toggle switches, single-pole dimmer switches always come from the factory with screw terminals. 4.Motor loads not exceeding 80% of the ampere rating of the switch at its rated voltage are permitted to be controlled by alternating current general-use snap switches. 5.A double-pole switch can be used to control two 120-volt circuits.
After Napoleon’s defeat at Waterloo, which relative of the executed Louis XVI did the allies install as Louis XVIII of France?
a. his son b. his uncle c. his brother d. his nephew
______ are the most muscular section of the heart.
Fill in the blank(s) with the appropriate word(s).