| [Skills and Trades] Thyristor semiconductors operate similar to rheostat to control current flow. |
rubiosusy7 |
450 |
1 |
| [Skills and Trades] The triac is essentially equivalent to two SCRs connected in series. |
Triley39 |
149 |
1 |
| [Skills and Trades] The transistor is a two-terminal device. |
bubba123 |
172 |
1 |
| [Skills and Trades] The main operating characteristic of a diode is that it allows current through it in both directions. |
Tb12162018 |
150 |
1 |
| [Skills and Trades] The main difference between the N and P type field effect transistors is that the polarities of ... |
lauraleepop |
126 |
1 |
| [Skills and Trades] The field-effect transistor (FET) is a current-controlled device. |
xjustxicex |
138 |
1 |
| [Skills and Trades] The bipolar junction transistor (BJT) is a current-controlled device. |
elarge |
135 |
1 |
| [Skills and Trades] The AND gate, implemented using hardwired switches, will mean switches connected in parallel. |
warrenjean01 |
113 |
1 |
| [Skills and Trades] SCRs deliver a varying amount of power by means of phase angle control. |
Labomba |
127 |
1 |
| [Skills and Trades] Inverting the output of an OR gate will result in a NOR gate. |
lrhoads |
131 |
1 |
| [Skills and Trades] For the electronic motor drive shown, the purpose of the controller is to alter the frequency of the ... |
blinding37 |
133 |
1 |
| [Skills and Trades] Diodes are the key components of rectifier circuits. |
yagurl |
113 |
1 |
| [Skills and Trades] Bipolar transistors are so named because the controlled current must go through two types of ... |
knemetz3 |
107 |
1 |
| [Skills and Trades] An inverter performs the same function of a rectifier. |
danitzaidaly |
107 |
1 |
| [Skills and Trades] An insulated-gate bipolar transistor has the output switching and conduction characteristics of a ... |
caca31 |
106 |
1 |
| [Skills and Trades] All inputs to an AND gate must be 1 to produce a 1 output. |
petersan |
114 |
1 |
| [Skills and Trades] All inputs to a NAND gate must be 1 to produce a 1 output. |
hjfhdiskkjs |
114 |
1 |
| [Skills and Trades] A PLC system has the ability to change the control scheme without having to physically change the wiring. |
Sadjam2 |
308 |
1 |
| [Skills and Trades] Which of the following would be considered an analog control device? |
yagurl |
97 |
1 |
| [Skills and Trades] When a voltage is applied to a diode, it is referred to as |
heyheyhey |
101 |
1 |
| [Skills and Trades] The symbol shown is that of a(n) ________ transistor. |
Ale |
107 |
1 |
| [Skills and Trades] The symbol shown is that of a(n) ________ transistor. |
xsk4r3kr0w |
93 |
1 |
| [Skills and Trades] The symbol shown is that of a(n) |
ShannenConnor |
95 |
1 |
| [Skills and Trades] The symbol shown is that of a ________ transistor. |
majortom123 |
90 |
1 |
| [Skills and Trades] The purpose of a truth table is |
Lin Shi |
67 |
1 |
| [Skills and Trades] The OR gate implemented using contacts, requires contacts connected in |
Labomba |
81 |
1 |
| [Skills and Trades] The operating mode of the diode circuit shown is |
frosh101 |
76 |
1 |
| [Skills and Trades] The leads of a field-effect transistor are labeled |
elarge |
82 |
1 |
| [Skills and Trades] The circuit shown is that of a |
emoedee |
65 |
1 |
| [Skills and Trades] The circuit shown illustrates how a ________ operates. |
najmarocks25 |
55 |
1 |
| [Skills and Trades] The Boolean equation for the logic circuit shown is |
Apple716 |
47 |
1 |
| [Skills and Trades] The basic rule for an XOR gate is |
Scollins7 |
48 |
1 |
| [Skills and Trades] Lead #3 of the transistor symbol shown is the |
ninaj |
62 |
1 |
| [Skills and Trades] Lead #1 of the transistor symbol shown is the |
jany123 |
39 |
1 |
| [Skills and Trades] In the circuit shown, during the negative half-cycle diodes ________ conduct. |
Darron12 |
29 |
1 |
| [Skills and Trades] For the triac variable power circuit shown, the control logic trigger circuit |
petersan |
40 |
1 |
| [Skills and Trades] For the triac switching circuit shown, when the processor calls for the lamp to be ON |
frosh101 |
31 |
1 |
| [Skills and Trades] For the triac switching circuit shown, the PLC output module serves as the |
dabomba718 |
30 |
1 |
| [Skills and Trades] For the triac lamp dimmer circuit shown, current flows through the diac |
kled |
33 |
1 |
| [Skills and Trades] For the transistor timer circuit shown, timing begins when |
Caileynorton |
29 |
1 |
| [Skills and Trades] For the transistor timer circuit shown, closing the external switch will |
olgamartinez04 |
16 |
1 |
| [Skills and Trades] For the transistor switching circuit shown, the proximity switch, on closing |
ksmithunr |
18 |
1 |
| [Skills and Trades] For the transistor circuit shown, the output signal is taken from between the |
Lin Shi |
14 |
1 |
| [Skills and Trades] For the SCR starter circuit shown, when the motor is up to full speed |
kmcolvin |
15 |
1 |
| [Skills and Trades] For the SCR starter circuit shown, when the motor is first started |
dusk108 |
19 |
1 |
| [Skills and Trades] For the PLC ladder logic program shown, the logic state of instruction I1 is |
najmarocks25 |
11 |
1 |
| [Skills and Trades] For the PLC ladder logic program shown, the address of the M coil is |
gjjjjjdkkkkk3k3k33k |
7 |
1 |
| [Skills and Trades] For the PLC block diagram shown, the ________ receives signals from input devices as sensors and switches. |
JimmyJoe |
11 |
1 |
| [Skills and Trades] For the PLC block diagram shown, the ________ form(s) the intelligence of the system. |
vowens |
11 |
1 |
| [Skills and Trades] For the circuit shown, the anode to cathode of the SCR is |
blkth103 |
7 |
1 |
| [Skills and Trades] For the circuit shown, momentarily closing PB1 |
bryantpr01 |
14 |
1 |
| [Skills and Trades] For the circuit shown, during the negative half-cycle of the AC input wave the |
M1ch3a |
15 |
1 |
| [Skills and Trades] For the block diagram of the transistor shown, the unidentified block is |
olsonmanny@gmail.com |
8 |
1 |
| [Skills and Trades] Electrostatic discharge (ESD) can be defined as |
heatherbabydoll1 |
31 |
1 |
| [Skills and Trades] When a dual-voltage split-phase motor is operated at high voltage; the two run windings and the ... |
Facerro |
24 |
1 |
| [Skills and Trades] The two capacitors used in a capacitor-start/capacitor-run split-phase motor are identical and ... |
lauraleepop |
8 |
1 |
| [Skills and Trades] The three types of wound DC motors are the series, shunt, and compound motors. |
camac77 |
9 |
1 |
| [Skills and Trades] The starting and running windings of a split-phase motor has the same amount of inductive reactance. |
yagurl |
18 |
1 |
| [Skills and Trades] The speed of an AC motor will increase if the frequency of the power supplying it is increased. |
Austinleez3 |
5 |
1 |
| [Skills and Trades] The no-load speed of a series motor can increase to the point of damaging the motor. |
kmoyer2 |
10 |
1 |
| [Skills and Trades] The locked-rotor starting currents of an induction motor can be up to six times its nameplate ... |
Ale |
11 |
1 |
| [Skills and Trades] The commutator in a DC motor reverses armature coil current flow to produce continuous armature rotation. |
nods |
11 |
1 |
| [Skills and Trades] The base speed listed on a DC motors nameplate is an indication of how fast the motor will run with ... |
emoedee |
11 |
1 |
| [Skills and Trades] Over current protection for motor circuits is the same as that for nonmotor loads. |
jordangardner |
12 |
1 |
| [Skills and Trades] Most home appliance motors operate on single-phase AC power. |
Katmoss16 |
13 |
1 |
| [Skills and Trades] Interchanging any two power leads to a three-phase induction motor will not cause it to run in the ... |
blkth103 |
9 |
1 |
| [Skills and Trades] If power to the armature of a shunt motor is loss during operation the motor can accelerate to a ... |
Emmejo01 |
16 |
1 |
| [Skills and Trades] For the three-phase stator winding shown, when three-phase current passes through the windings a ... |
unreallynx |
15 |
1 |
| [Skills and Trades] Dynamic breaking of a three-phase motor is achieved by removing the AC power supply from the motor ... |
ksmithunr |
7 |
1 |
| [Skills and Trades] Direct current motors can normally operate directly from the power supplied by the electric utility system. |
xxxxxxxxxxxx |
3 |
1 |
| [Skills and Trades] Current flow in the rotor of a squirrel-cage induction motor establishes its own magnetic field, ... |
Gabby |
12 |
1 |
| [Skills and Trades] An across-the-line motor starter is designed to apply full line voltage to the motor upon starting. |
Triley39 |
10 |
1 |
| [Skills and Trades] AC induction motors have an external voltage applied to their rotors. |
dongbo |
9 |
1 |
| [Skills and Trades] A three-phase induction motor sets up a rotating field that can start the motor, whereas a ... |
booty5 |
11 |
1 |
| [Skills and Trades] A single-speed squirrel-cage induction motor has one rated speed at which it runs when supplied with ... |
ksmithunr |
10 |
1 |
| [Skills and Trades] A single-phase induction motor is smaller in size, for the same horsepower, than a three-phase motor. |
fungirl |
14 |
1 |
| [Skills and Trades] A rotating magnetic field is the key to the operation of all AC motors. |
nanna |
8 |
1 |
| [Skills and Trades] With reference to the motor installation shown, the Code requires that the disconnect switch be no ... |
olsonmanny@gmail.com |
5 |
1 |
| [Skills and Trades] The three-phase stator winding connection shown would be classified as a |
kled |
10 |
1 |
| [Skills and Trades] The starting current of an induction motor is also known as the |
kaitlynndavis |
3 |
1 |
| [Skills and Trades] The split-phase motor shown is a ________ type. |
fungirl |
8 |
1 |
| [Skills and Trades] The single-phase motor connection shown is that of a |
0220521 |
11 |
1 |
| [Skills and Trades] The rotor of a squirrel-cage induction motor is constructed using |
lol1012 |
19 |
1 |
| [Skills and Trades] The position of the centrifugal switch shown would be that when the motor is |
mimie |
4 |
1 |
| [Skills and Trades] The operating voltage for the rotor of an AC induction motor is obtained |
petersan |
3 |
1 |
| [Skills and Trades] The motor braking device shown is a(n)Photo: Warner Electric LLC |
frosh101 |
4 |
1 |
| [Skills and Trades] The direction of rotation of a shunt wound DC motor is changed by |
isam |
2 |
1 |
| [Skills and Trades] The centrifugal switch of a split-phase motor fails to close when the motor stops. As a result, when ... |
tashina2013 |
9 |
1 |
| [Skills and Trades] Shunt field coil windings of DC motors |
olgamartinez04 |
4 |
1 |
| [Skills and Trades] Motor overload protection is intended to protect against a motor operating with |
kaitlynndavis |
7 |
1 |
| [Skills and Trades] If the field current of a shunt-type DC motor is held constant and the armature voltage is ... |
ksmithunr |
8 |
1 |
| [Skills and Trades] If the capacitor of a capacitor-start motor becomes faulted open, the motor |
agstelzer01 |
4 |
1 |
| [Skills and Trades] For the two-speed, two winding induction motor connection shown, |
ShannenConnor |
12 |
1 |
| [Skills and Trades] For the three-phase reversing motor circuit shown, contacts R when closed connect ________ respectively. |
Triley39 |
9 |
1 |
| [Skills and Trades] For the split-phase motor diagram shown, #2 is the |
Aimless0988 |
11 |
1 |
| [Skills and Trades] For the spilt-phase motor diagram shown, #4 is the |
danitzaidaly |
8 |
1 |
| [Skills and Trades] For the single-phase motor stator shown, the top winding is the |
agstelzer01 |
9 |
1 |
| [Skills and Trades] For the reversing motor starter control circuit shown, the purpose of the normally closed R and F ... |
gjjjjjdkkkkk3k3k33k |
21 |
1 |
| [Skills and Trades] For the motor shown, the box contains thePhoto: Belted Fan & Blower, Capacitor Start, Open Drip ... |
agstelzer01 |
10 |
1 |
| [Skills and Trades] For the motor circuit shown, arrow #4 points to the |
Facerro |
4 |
1 |
