JATC YEAR 1 FINAL EXAM | QUESTIONS AND
ANSWERS 100% CORRECT.
Which of the following items should be read first on every lesson? - Introductory
Information
A competent electrician is one who has ___ , __ , and a positive ___ for his or her trade.
- skill / knowledge / attitude
The nucleus of what was to become the IBEW was formed in ? in the city of ? . - 1890 /
St. Louis
The ? Act of 1935 is more commonly referred to as the Wagner Act. - National Labor
Relations
Worker ? on the job is a major reason that job tasks cannot be performed in a timely
manner. - Absenteeism
? and ? are critically important to jobsite safety.
a. - Awareness / common sense
What are the three most important things to remember with regards to work safety?
I. Work aware.
II. Work effectively.
III. Work productively.
IV. Work safe.
V. Work smart. - I., IV., and V.
To find the area of a wire in circular mils, square the diameter expressed in ? - mils
What tightening torque should be used for a hexagonal head screw (not split-bolt) on a
250 kcmil conductor? - 325 inch-pounds
To reduce a fraction, divide the numerator and denominator by the ? . - same number
When multiplying two fractions, multiply the numerator of one fraction by the ? of the
second fraction. This product is placed over the product of the two denominators. -
numerator
The term ? is used to identify the reference point or angle. - theta
, The side next to the reference angle is called the ? side. - Adjacent
Since the ratios for sides of triangles are the same, when the angles are the same, ?
have been developed which show these ratios for every angle encountered in a triangle.
- trigonometric tables
The sine of θ is equal to the ? divided by the ? . - opposite / hypotenuse
The cos θ is equal to the ? side divided by the ? . - adjacent / hypotenuse
The tan θ is equal to the ? side divided by the ? side. - opposite / adjacent
What will happen if the time is not taken to properly measure and lay out a job before
trying to bend conduit? - I. Additional labor to re-bend
II. Conduit may need to be bent multiple times as a result of inaccurate measurements
IV. Increased amount of scrapped conduit
The only viable method to reduce the material cost itself is to reduce waste, and the
only practical way of doing that is to be skilled in measuring, calculating, and laying out
the conduit bends. - True
What tool can be used to prevent an off-axis between bends in an offset (dog-legs)? -
No-dog level
A lightweight metallic raceway without threads is called ? in the National Electrical
Code. - Electrical Metallic Tubing
PVC is a form of what type of conduit? - rigid non-metallic conduit
Match the conduit/size with the appropriate protective cap. - 1/2" Rigid Metal Conduit
(RMC) → Black
3/4" Rigid Metal Conduit (RMC) → Red
1" Rigid Metal Conduit (RMC) → Blue
According to NEC Section ? , ? shall not be threaded. - 358.28(B) / EMT
Which types of conduit are typically threaded in order to couple them together or
connect them to boxes or fittings? - I. IMC
II. RMC
A "plumb 30" or a "plumb 45" bender will reliably produce an approximate 30°- or 45°-
bend when the conduit is horizontal and the handle is pulled up so that the handle is
vertical or plumb. - True
ANSWERS 100% CORRECT.
Which of the following items should be read first on every lesson? - Introductory
Information
A competent electrician is one who has ___ , __ , and a positive ___ for his or her trade.
- skill / knowledge / attitude
The nucleus of what was to become the IBEW was formed in ? in the city of ? . - 1890 /
St. Louis
The ? Act of 1935 is more commonly referred to as the Wagner Act. - National Labor
Relations
Worker ? on the job is a major reason that job tasks cannot be performed in a timely
manner. - Absenteeism
? and ? are critically important to jobsite safety.
a. - Awareness / common sense
What are the three most important things to remember with regards to work safety?
I. Work aware.
II. Work effectively.
III. Work productively.
IV. Work safe.
V. Work smart. - I., IV., and V.
To find the area of a wire in circular mils, square the diameter expressed in ? - mils
What tightening torque should be used for a hexagonal head screw (not split-bolt) on a
250 kcmil conductor? - 325 inch-pounds
To reduce a fraction, divide the numerator and denominator by the ? . - same number
When multiplying two fractions, multiply the numerator of one fraction by the ? of the
second fraction. This product is placed over the product of the two denominators. -
numerator
The term ? is used to identify the reference point or angle. - theta
, The side next to the reference angle is called the ? side. - Adjacent
Since the ratios for sides of triangles are the same, when the angles are the same, ?
have been developed which show these ratios for every angle encountered in a triangle.
- trigonometric tables
The sine of θ is equal to the ? divided by the ? . - opposite / hypotenuse
The cos θ is equal to the ? side divided by the ? . - adjacent / hypotenuse
The tan θ is equal to the ? side divided by the ? side. - opposite / adjacent
What will happen if the time is not taken to properly measure and lay out a job before
trying to bend conduit? - I. Additional labor to re-bend
II. Conduit may need to be bent multiple times as a result of inaccurate measurements
IV. Increased amount of scrapped conduit
The only viable method to reduce the material cost itself is to reduce waste, and the
only practical way of doing that is to be skilled in measuring, calculating, and laying out
the conduit bends. - True
What tool can be used to prevent an off-axis between bends in an offset (dog-legs)? -
No-dog level
A lightweight metallic raceway without threads is called ? in the National Electrical
Code. - Electrical Metallic Tubing
PVC is a form of what type of conduit? - rigid non-metallic conduit
Match the conduit/size with the appropriate protective cap. - 1/2" Rigid Metal Conduit
(RMC) → Black
3/4" Rigid Metal Conduit (RMC) → Red
1" Rigid Metal Conduit (RMC) → Blue
According to NEC Section ? , ? shall not be threaded. - 358.28(B) / EMT
Which types of conduit are typically threaded in order to couple them together or
connect them to boxes or fittings? - I. IMC
II. RMC
A "plumb 30" or a "plumb 45" bender will reliably produce an approximate 30°- or 45°-
bend when the conduit is horizontal and the handle is pulled up so that the handle is
vertical or plumb. - True
