Answer the following statement(s) true (T) or false (F)
1. There are different types of op amps used, depending on the type of circuit it is intended to operate in.
2. The ideal amplifier should have an input impedance of infinity.
3. The open loop gain of the 741 operational amplifier is about 400,000.
4. Op amps can only be used in three types of circuits.
5. The operational amplifier is often used as a level detector or comparator.
1. TRUE
2. TRUE
3. FALSE
4. FALSE
5. TRUE
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The ribs and slab of one-way joist slabs are cast _____.
a. continuously b. sequentially c. intermittently d. monolithically
________: a provision of the Trade Act of 1974 and its counterpart in the Trade and Competitiveness Act of 1988 that was designed to provide presidential authority to impose duties on products from nations whose trade practices were deemed "unfair" or that restrict U.S. commerce.
Fill in the blank(s) with the appropriate word(s).
Answer the following statement(s) true (T) or false (F)
1. The type of three-phase motor is determined by the rotor or rotating member. 2. The direction of rotation of a three-phase motor can be reversed by changing any two stator leads. 3. The stator windings of three-phase motors are always connected in a wye. 4. When the motor is to be operated on 240 volts, the stator windings are connected in series. 5. A motor with 15 or 18 leads can be found in high-voltage installations.
A spool valve is used to direct flow to the power chamber in the ______________ hydraulic power brake system.
Fill in the blank(s) with the appropriate word(s).