Skills and Trades

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Which statement best summarizes the logic behind the creation of the Montreal Protocol? A) Ozone ... Started by kodithompson	1 Replies 25 Views	Jul 24, 2018 by lcapri7
A rate compensated type motor overload device is the: A) Thermal overload relay. B) Magnetic ... Started by torybrooks	1 Replies 143 Views	Jul 24, 2018 by apple
A serious problem common only to three phase motors is: A) Excessive time on locked rotor ... Started by lb_gilbert	1 Replies 131 Views	Jul 24, 2018 by scrocafella
What scales on analog meters require battery power to operate? A) Only the milliamps scale B) ... Started by ss2343	3 Replies 41 Views	Jul 24, 2018 by jointhecircus
The types of injury electricity can inflict on a person include: A) Electricity cannot inflict ... Started by shofmannx20	1 Replies 49 Views	Jul 24, 2018 by kishoreddi
A person is shocked when: A) They touch a live wire. B) They become part of a complete circuit. ... Started by audragclark	1 Replies 9 Views	Jul 24, 2018 by janeli
A technician is contacting a live circuit with one hand and is not being shocked. However, they can ... Started by beccaep	1 Replies 13 Views	Jul 24, 2018 by steff9894
The most common concern with using VFDs is: A) Hertz modulation. B) Harmonic distortion. C) ... Started by nramada	3 Replies 63 Views	Jul 24, 2018 by gstein359
The number of pulses per second from IGBTs is referred to as: A) Carrier frequency. B) Hertz ... Started by abc	1 Replies 77 Views	Jul 24, 2018 by CourtneyCNorton
What type of injury can a technician receive from an arc flash? A) Severe burns B) Electrical ... Started by Chloeellawright	1 Replies 40 Views	Jul 24, 2018 by brittrenee
To avoid electrical shock, technicians should: A) Make sure the unit is grounded. B) Make sure ... Started by Bernana	1 Replies 39 Views	Jul 24, 2018 by rnehls
What could happen to an analog meter if a voltage is tested that exceeds the setting on the meter? ... Started by vicky	3 Replies 102 Views	Jul 24, 2018 by Pariscourtney
How are voltmeters connected to read the voltage drop across a load in a circuit? A) Any ... Started by nelaaney	1 Replies 39 Views	Jul 24, 2018 by mtmmmmmk
What term expresses the ability of the motor to work beyond its rated output? A) RPM B) Service ... Started by Chelseaamend	1 Replies 45 Views	Jul 24, 2018 by mbcrismon
The strength of an electric motor is rated in: A) Full load amps. B) RPM. C) Horsepower. D) ... Started by nautica902	1 Replies 33 Views	Jul 24, 2018 by meganmoser117
Motors are rated in either ________ or ________ operation. A) intermittent, continuous B) ... Started by krzymel	3 Replies 32 Views	Jul 24, 2018 by owenfalvey
A ground fault circuit interrupter is designed to: A) Prevent too much voltage through the ... Started by chandani	1 Replies 152 Views	Jul 24, 2018 by Hikerman221
A wattmeter is connected to a circuit with 120 V, 10 A, and a power factor of 91.7. Its reading is: ... Started by 09madisonrousseau09	1 Replies 194 Views	Jul 24, 2018 by atrochim
Nearly all air conditioning condenser fans are ________ motors. A) shunt field B) capacitor start ... Started by yoooooman	1 Replies 122 Views	Jul 24, 2018 by bigsis44
Larger blower wheels are typically operated by ________ motors. A) shunt field B) PSC C) belt ... Started by nramada	3 Replies 68 Views	Jul 24, 2018 by Mollythedog
How can a technician determine what the proper PPE is for a particular application? A) Read the ... Started by dbose	1 Replies 70 Views	Jul 24, 2018 by bubulittle310@msn.cn
Which of the following is NOT a standard mounting dimension for an electric motor? A) Shaft ... Started by Tirant22	1 Replies 68 Views	Jul 24, 2018 by Mholman93
The safest way to use a meter while testing for voltage is to: A) Rest the meter on something; do ... Started by biggirl4568	1 Replies 120 Views	Jul 24, 2018 by jomama
What is the purpose of locking out an electrical circuit? A) To ensure an electrical circuit ... Started by tsand2	3 Replies 91 Views	Jul 24, 2018 by abctaiwan
Why should circuits that are locked out also be tagged? A) To notify the customer where they can ... Started by Mr3Hunna	1 Replies 19 Views	Jul 24, 2018 by dmurph1496