Answer the following statement(s) true (T) or false (F)
1. Jogging can be accomplished using a double-acting push button.
2. You can obtain jogging control with the use of a selector switch.
3. A control relay is used to provide jogging in one direction only.
4. A selector switch is used to break the connection to the holding contacts.
5. A single pole, single throw toggle switch provides jog or run control in the accompanying figure. If the switch is in the OFF position, the holding contacts can seal the circuit when the START button is released.
1. True
2. True
3. False
4. True
5. False
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Answer the following statement(s) true (T) or false (F)
1.It is possible to determine the direction of rotation of a motor before power is connected to it. 2.The phase windings of a delta-connected motor must be connected in parallel for use on low voltage. 3.The starting torque of a squirrel-cage motor is high. 4.If it is intended that the motor maintain constant torque for both low and high speeds, the parallel wye connection will provide low speed and the series delta will provide high speed 5.The speed of a wound-rotor motor is uncontrollable.
?Technician A says the fluid pressure switches used in today's transmissions either complete or open an electrical circuit to the computer. Technician B says that a fluid pressure switch can also be checked with air. Who is correct?
A. ?A only B. ?B only C. ?Both A and B D. ?Neither A nor B
Pigs that are sold shortly after weaning are called ____________________ pigs
Fill in the blank(s) with correct word
What component dissipates the heat from the controlled space?
A. The evaporator B. The condenser C. The compressor D. The thermostatic expansion valve