Tulloch

____ are the particles that orbit the core of an atom - electrons ______ ________ is applied to each branch in a parallel circuit - source voltage ______ is equal through all parts of a series circuit - current ______ is the force that pushes free electrons through conductors - voltage _______ _______ reverses direction at regular intervals - alternating current _______ are electromsgnets with movable iron plungers - solenoids _______ is the measurement of current flow - amperage ________...

A _____ is used to measure electrical potential? - voltmeter A _____ is used to measure resistance? - ohmmeter A 3 way switch is essentially a? - single pole double throw switch A 4S box is the most frequently used in one of the situations shown below. Which is it? - Junction box A combination motor starter always includes? - Circuit breaker, fuse and disconnecting device A device used to measure the rotating speed of the motor is called? - tachometer A generator? - Changes mechanical pow...

_____ converts between electrical and mechanical power. - Motor, Generator, alternator. ________ have overloads and _________ do not? - Starters, contactors "Cross firing " is? - Arcing across a double-brake contact A "ladder rung" in a electrical diagram refers to? - A single line in the diagram A 7200 rpm motor at 60hz has? - Two poles A component that has high resistance in one direct and low in the other is a ? - Diode A contactor with two sets of contacts is? - 2 pole contactor A...

10 psig is equal to: a. -4.7 psia b. 14.7 psia c. 24.7 psia d. 29.4 psia - c. 24.7 psia A cushioned check valve is used for: a. a safety valve b. an automatic non-return valve c. a pressure relief valve d. A and C - b. an automatic non-return valve A deaerator tank 10 feet high has how much head pressure? a. .433 psig b. 4.33 psig c. 43.3 psig d. 10 psig - b. 4.33 psig A draft gauges measure: a. PSIG b. PSIA c. Inches of H20 d. Inches of Hg - c. Inches of H20

A control can be which of the following? - All of the above (electrical, mechanical, electrical and mechanical) A current magnetic relay opens and closes its contacts based on the _____. - Current in the run winding A direct expansion type evaporator is also called a _____. - dry type evaporator A helicopter is lifting an 800-pound unit at a rate of 200 feet per minute. How many horsepower of work energy is the helicopter using in the process? - 4.848 hp a liquid material exerts a pressur...

*A38 and AX38 belts should not be mixed on a drive design to use AX38 belts because? - They require different sheaves for their use (Rob not sure) *Emergency power systems must supply power when local power fails to _____. - exit lights and stairs lights (Rob isn't sure) *How do you change pressure from PSI to feet of water? - Multiply by 2.31 *How great a variation from the recommended shade is allowable in a given welding or cutting operation? - Two shades darker or lighter/Two shades l...

The 2 classification of compressors are called? Positive displacement and kinetic displacement The 3 main ways that heat transfer takes place are by _____, _____, and _____? Convection, conduction and radiation 50/50 solder is made up of equal proportions of _____. Tin and lead 50F steam heat is equal to _____. 122F. (1.08 x C + 32 = F) A 230 volt PFC compressor tries to start at 184 volts and trips on overload protection, the starting torque of the motor is _____? Decrease by lower vo...

A control can be which of the following? a. electrical b. mechanical c. electrical and mechanical d. all of the above - d. all of the above A current magnetic relay opens and closes its contacts based on the ____. a. current in the start winding b. voltage across the start winding c. voltage across the run winding d. current in the run winding - d. current in the run winding A direct expansion-type evaporator is also called a ___. a. flooded evaporator b. dry-type evaporator c. mult...

_____, _____, _____ & _____ is the refrigeration cycle? - Expansion; evaporation; compression & condensation A 230 volt PFC compressor tries to start at 184 volts and trips on overload protection, the starting torque of the motor is _____? - Decrease by lower voltage A A/C system with zone control is obtained by mixing hot and cold air at the central unit in response to room thermostats is a _____ system? - Multi-zone A diulating switch is used to _____. - Change proportional action to two...

___ ___ are a fee charged by some feedlots every time cattle are worked through the chute - chute charges ____ or more days are usually required by stocker production operations because they are..? - 100, most profitable _____ _____ ______ and not the ration being fed can be "the first domino to fall" resulting in digestive disturbances such as bloat, acidosis and liver abscesses - poor bunk management ______ is a detailed description of pen performance, feed intake, death loss and profi...