Skills and Trades

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Explain how you would test for voltage in a fusible disconnect on the line-side and load-side ... Started by neverstopbelieb	1 Replies 54 Views	Jul 27, 2018 by AaaA
Explain the difference between a permanent magnet and an electromagnet. What will be an ideal ... Started by littleanan	3 Replies 61 Views	Jul 27, 2018 by recede
Voltage is pressure that causes current to flow. Indicate whether the statement is true or ... Started by tichca	1 Replies 28 Views	Jul 27, 2018 by bpool94
When a capacitor is added to an AC circuit, the voltage wave form will ________ the current wave ... Started by beccaep	1 Replies 40 Views	Jul 27, 2018 by ally
Field is created in a coil of wire when ________. A) the coil has a core B) current flows ... Started by wrbasek0	1 Replies 60 Views	Jul 27, 2018 by raili21
Steel core is used in electromagnets that have AC voltage applied to them because ________. A) ... Started by Ebrown	3 Replies 12 Views	Jul 27, 2018 by otokexnaru
The voltage at the secondary terminals of a ________transformer will be larger than the applied ... Started by ereecah	1 Replies 10 Views	Jul 27, 2018 by kusterl
Explain how you can identify the run winding and start winding in the stator of an AC split-phase ... Started by maychende	1 Replies 42 Views	Jul 27, 2018 by Loise Hard
If an electrical power tool has a power cord with a three-prong plug and the electrical outlet has ... Started by michelleunicorn	1 Replies 79 Views	Jul 27, 2018 by brittrenee
Slip is the difference between the actual speed of a motor and its rated speed. Indicate whether ... Started by nenivikky	3 Replies 50 Views	Jul 27, 2018 by Gabe
Torque is rotational force. Indicate whether the statement is true or ... Started by shenderson6	1 Replies 46 Views	Jul 27, 2018 by meltdown117
The run capacitor is ________. A) connected in series with the start winding of a PSC motor B) ... Started by DelorasTo	1 Replies 40 Views	Jul 27, 2018 by cadimas
A GFI (ground fault interruption) circuit breaker should be used with an extension cord in a damp or ... Started by bio_gurl	1 Replies 50 Views	Jul 27, 2018 by pocatato
Use the graph of LRA and FLA in Fig. 1011to explain how the current relay operates. What will be ... Started by sam.t96	3 Replies 64 Views	Jul 27, 2018 by Sierray
The potential relay has ________. A) a coil with low resistance and normally closed contacts B) ... Started by beccaep	1 Replies 71 Views	Jul 27, 2018 by okolip
It is possible to change normally open contacts to normally closed contacts in the field for some ... Started by jc611	1 Replies 91 Views	Jul 27, 2018 by carojassy25
If you are working at an older residence that does not have grounded receptacle outlets, it is safe ... Started by Yi-Chen	1 Replies 38 Views	Jul 27, 2018 by Bison
A fused disconnect provides a location for mounting fuses for the system and also provides a means ... Started by vHAUNG6011	3 Replies 89 Views	Jul 27, 2018 by af
An SPDT relay has ________. A) one set of contacts that connects to two output terminal points ... Started by jace	1 Replies 27 Views	Jul 27, 2018 by Fayaz00962
Explain the term frequency as it refers to AC electricity. What will be an ideal ... Started by theo	1 Replies 65 Views	Jul 27, 2018 by BUTTHOL369
With three-phase compressors, a voltage imbalance of greater than ________ will cause the windings ... Started by faduma	1 Replies 75 Views	Jul 27, 2018 by perkiness
The oil burner control uses 24 V to provide the spark to the ignition points. Indicate whether ... Started by yoooooman	3 Replies 40 Views	Jul 27, 2018 by tuwy
The sequence of operation for an oil burner is ________. A) the thermostat calls for heat, the ... Started by Evvie72	1 Replies 41 Views	Jul 27, 2018 by reversalruiz
In most reach-in coolers the evaporator fan and condenser fans are three-phase motors. Indicate ... Started by bobthebuilder	1 Replies 35 Views	Jul 27, 2018 by lolol
Freezers require a defrost heater because frost will build on evaporator fins and block air flow. ... Started by @Brianna17	1 Replies 48 Views	Jul 27, 2018 by adf223