3-1

Question 1

The leading factor for success in becoming a journeyman is

Answer 1

The apprentice

Question 2

The responsibility for upholding the requirements of the bargaining agreement belongs to

Answer 2

Everyone concerned

Question 3

The ____ program is designed and intended to make members aware of the problems caused by non union workers employers and workers

Answer 3

Comet

Question 4

What does comet stand for

Answer 4

Construction organizing membership education training

Question 5

The comet program will identify where ____ can be of assistance in organizing nonunion workers

Answer 5

Union members

Question 6

A good way to promote unionized construction is by ___ at mixed union/non union jobs supply houses and social settings

Answer 6

Speaking out

Question 7

When bidding jobs the two main expenses figured into the job bid are manpower and

Answer 7

Equipment costs

Question 8

Over a busy year ___ can cost a construction a substantial amount of money

Answer 8

An unproductive crew

Question 9

The manpower cost of a job is normally figured at ____ of the total cost

Answer 9

40%

Question 10

___ can add up to lost time by workers not producing to their ability or because they feel they deserve the job

Answer 10

Entitled attitudes

Question 11

A practice that will reduce lost time on the job is

Answer 11

Good housekeeping

Question 12

____ includes behaviors like being on time planning the job working safely and encouraging co workers

Answer 12

Professionalism

Question 13

____ should be the guide to hen judging if a qualified electrical worker is putting in an honest days work

Answer 13

Professionalism

Question 14

___ is key for journeyman qualified electrical workers to be a superior workforce

Answer 14

Continued training

Question 15

The wye system is also known as a ___ system

Answer 15

4-wire

Question 16

In a delta system transformers are connected

Answer 16

Phase to phase

Question 17

The measure of the number of cycles that occur in one second is called

Answer 17

Frequency

Question 18

AC circuit loads are described as inductive capacitive or ___ loads

Answer 18

Resistive

Question 19

Electricity can be transmitted more efficiently over long distances by using

Answer 19

Higher voltages

Question 20

The ratio was f the circuits active power to apparent power is the circuits

Answer 20

Power factor

Question 21

Capacitive reactance of a the opposition to the flow of current in an ac circuit due to the presence of capacitance and is measured in

Answer 21

Ohms

Question 22

____ is the ability of a current carrying conductor coil or circuit to induce a voltage into itself or adjacent circuits

Answer 22

Inductance

Question 23

The induced voltage of a coil is ____ out of phase with the applied voltage

Answer 23

180 degrees

Question 24

On transmission lines the ____ the lines are spaced the lower the effect of inductance

Answer 24

Closer together

Question 25

Inductance in distribution circuits contributed to ____ in the line

Answer 25

Voltage drop

Question 26

The major advantage that alternating current has over direct current systems that

Answer 26

It is easily transformed from one voltage to another

Question 27

Capacitors store kvars and release____ the reactive caused by the reactor which may be a transformer or motor

Answer 27

Energy

Question 28

The type of ___ used is an important factor in determining the amount of capacitance a capacitor will have

Answer 28

Dielectric

Question 29

If an ac circuit has an excessive amount of added capacitive reactance the voltage sine wave will ____ the current sine wave

Answer 29

Lag

Question 30

All personnel that could possibly be in physical contact with a capacitor or capacitors being removed from service should wait ___ before grounding the capacitor

Answer 30

5 minutes

Question 31

____ will improve the performance of distribution systems when properly sized and controlled

Answer 31

Capacitors

Question 32

The ___ the plate area and the closer the plates are the greater the capacitance

Answer 32

Larger

Question 33

The simplest and one of the earliest of the 3 phase systems is the 2400 volt

Answer 33

Delta

Question 34

Delta systems are often called ____ systems

Answer 34

3-wire

Question 35

In a wye primary systems the line voltage is ___ times greater than the phase voltage

Answer 35

1.73

Question 36

In a wye system the phase to neutral voltage reads 7620 volts what is the phase to phase voltage

Answer 36

13,200

Question 37

Higher voltage lines have a greater capacity and provide power to the customers at greater ____

Answer 37

Distances

Question 38

The overlap of individual sine waves are j a 3 phase system eliminates the ____ effect produced by single phase systems

Answer 38

Pulsing

Question 39

The voltages across the transformers winding in a wye connection is ___ of line voltage

Answer 39

58%

Question 40

In the ___ connection the primary and the secondary neutrals must be grounded and tied together

Answer 40

Wye wye

Question 41

To determine line current in a delta delta transformer bank take coil current times ___

Answer 41

1.73

Question 42

A single phase transformer with paralleled coils delivering 120 volts phase to ground is usually to feed ____ loads

Answer 42

Security lighting

Question 43

These transformers are banked in a

Answer 43

Delta wye

Question 44

These transformers have a secondary voltage rating of 120/240 as connected and banked the voltage on the secondary main is

Answer 44

120 from line to neutral and 208 from line to line

Question 45

What is the efficiency rating of a wye wye transformer 3 phase bank

Answer 45

87 percent

Question 46

The common connection point on a 3 phase wye connected banked is also called the

Answer 46

Star point

Question 47

On a closed wye delta bank the term floating neutral refers to what

Answer 47

Ungrounded neutral bus

Question 48

In an open wye open delta bank the delta bank in ring reads 286 amperes the bank is providing services at 480 volts. The kva loading each transformer is

Answer 48

137.28

Question 49

The transformer current ratios are inversely proportional to the ____ ratios

Answer 49

Voltage

Question 50

Which formula should be used to determine the needed kva of a transformer

Answer 50

E times I divided By 1000