1
NEW MEXICO CONTRACTOR'S EXAM LATEST REAL EXAM
QUESTIONS & VERIFIED ANSWERS (2026) – PASS
GUARANTEED
How must oxygen cylinders be stored?
The valve shall be opened slightly and closed immediately. This is sometimes
referred to as cracking. It is intended to clear the valve of dust or dirt that might
otherwise enter the regulator.
Before connecting a regulator to a fuel gas cylinder?
All replacing air withdrawn shall be clean and respirable.
For mechanical ventilation, what shall be the condition of the replacing air?
Where a welder must enter a confined space through a manhole or other small
opening, means shall be provided for quickly removing him in case of an
emergency.
When shall welders use lifelines?
They must be attached to the welder's body so that his body cannot be jammed in
a small exit opening.
How shall lifelines and safety belts be attached to a welder's body?
An attendant with a pre-planned rescue procedure shall be stationed outside to
observe the welder at all times and be capable of putting rescue operations into
effect.
What shall be stationed outside while a welder is attached to a lifeline?
At least 18 inches.
, 2
How wide must each scaffolding platform and walkway be?
Not more than 14 inches.
How far from the face of the work shall the front edge of all scaffolding platforms
be unless a guardrail system is erected along the front edge of the work or if a fall
arrest system is used?
18 inches.
What is the maximum distance from the face of the work for plastering and
lathing operations?
12 inches.
Each end of a platform 10 feet or less in length shall not extend over its support by
how many inches?
18 inches.
Each end of a platform greater than 10 feet shall not extend over its support by
more than how many inches?
10 feet.
What is the minimum distance for 300 volts to 50kv insulated lines?
Toeboards
In addition to hard hats, what else will need to be installed on a scaffold to
provide additional protection to employees from falling objects?
6 feet or more.
In hoist areas, employees shall be protected from falling how many feet with
guardrail systems and personal fall arrest systems in place?
Not more than 19 inches.
In a guardrail system, intermediate members shall be how many inches apart?
At least 2.
, 3
Horizontal lifelines shall be designed, installed and used under the supervision of a
qualified person as part of a complete person fall arrest system which maintains a
safety factor of?
Hoisting materials.
What can body belts, harnesses and components not be used for?
1) Name of Employee
2) Date of Training
3) Signature of the person who conducted the training or the employer
What must be included in a certification record for an employee?
By placing and keeping such materials or equipment at least 2 feet from the edge
of the excavation. Or by the use of retaining devices that are sufficient to prevent
materials or equipment from falling or rolling into the excavations or by a
combination of both.
How shall employees be protected from excavated or other materials?
Excavations of earth material to a level not greater than 2 feet below the bottom
of a shield shall be permitted.
What is an additional requirement for shield systems used in trench excavations?
The soil is fissured.
No soil is Type A if...
The steel joist shall be field-bolted at the column to provide lateral stability to the
column
When columns are not framed in at-least two directions with solid web structural
members what shall happen to the steel joist during erection?
With a minimum of 2-1/8 inch fillet welds 1 inch long or with 1/2 inch bolts.
How should K series steel joists be attached to a support structure?
A minimum of 2-1/4 inch fillet welds 2 inches long or with 3/4 inch bolts.
, 4
Joist girders shall be attached to the support structure with a minimum of what
size welds or bolts?
Heaped.
On equipment spec sheets, the load capacities for excavations are shown often at
what capacities?
You divide the bank volume by the bank volume plus the swell percentage.
How do you find the load factor for excavating?
Reduce the amount of load lost in transit.
Slot dozing can do what to a load in transit?
Finish blading.
What part of the grader's work is the most difficult?
Some transits work as both an optical level and a device for measuring angles.
Why are some transits more complicated than others?
100%
What percent slope is a 45-degree slope?
A set is the length of a trench that a hoe can excavate from one position. It can be
broken down further into digging cycles.
In excavating, what is a set?
1 set at a time.
In excavating, how many sets can a backhoe excavate at one time?
It leaves the soil undisturbed.
What is an advantage of using a nuclear testing gauge to determine soil density?
1) Water Settling (puddling)
2) Combination of weight and vibration
NEW MEXICO CONTRACTOR'S EXAM LATEST REAL EXAM
QUESTIONS & VERIFIED ANSWERS (2026) – PASS
GUARANTEED
How must oxygen cylinders be stored?
The valve shall be opened slightly and closed immediately. This is sometimes
referred to as cracking. It is intended to clear the valve of dust or dirt that might
otherwise enter the regulator.
Before connecting a regulator to a fuel gas cylinder?
All replacing air withdrawn shall be clean and respirable.
For mechanical ventilation, what shall be the condition of the replacing air?
Where a welder must enter a confined space through a manhole or other small
opening, means shall be provided for quickly removing him in case of an
emergency.
When shall welders use lifelines?
They must be attached to the welder's body so that his body cannot be jammed in
a small exit opening.
How shall lifelines and safety belts be attached to a welder's body?
An attendant with a pre-planned rescue procedure shall be stationed outside to
observe the welder at all times and be capable of putting rescue operations into
effect.
What shall be stationed outside while a welder is attached to a lifeline?
At least 18 inches.
, 2
How wide must each scaffolding platform and walkway be?
Not more than 14 inches.
How far from the face of the work shall the front edge of all scaffolding platforms
be unless a guardrail system is erected along the front edge of the work or if a fall
arrest system is used?
18 inches.
What is the maximum distance from the face of the work for plastering and
lathing operations?
12 inches.
Each end of a platform 10 feet or less in length shall not extend over its support by
how many inches?
18 inches.
Each end of a platform greater than 10 feet shall not extend over its support by
more than how many inches?
10 feet.
What is the minimum distance for 300 volts to 50kv insulated lines?
Toeboards
In addition to hard hats, what else will need to be installed on a scaffold to
provide additional protection to employees from falling objects?
6 feet or more.
In hoist areas, employees shall be protected from falling how many feet with
guardrail systems and personal fall arrest systems in place?
Not more than 19 inches.
In a guardrail system, intermediate members shall be how many inches apart?
At least 2.
, 3
Horizontal lifelines shall be designed, installed and used under the supervision of a
qualified person as part of a complete person fall arrest system which maintains a
safety factor of?
Hoisting materials.
What can body belts, harnesses and components not be used for?
1) Name of Employee
2) Date of Training
3) Signature of the person who conducted the training or the employer
What must be included in a certification record for an employee?
By placing and keeping such materials or equipment at least 2 feet from the edge
of the excavation. Or by the use of retaining devices that are sufficient to prevent
materials or equipment from falling or rolling into the excavations or by a
combination of both.
How shall employees be protected from excavated or other materials?
Excavations of earth material to a level not greater than 2 feet below the bottom
of a shield shall be permitted.
What is an additional requirement for shield systems used in trench excavations?
The soil is fissured.
No soil is Type A if...
The steel joist shall be field-bolted at the column to provide lateral stability to the
column
When columns are not framed in at-least two directions with solid web structural
members what shall happen to the steel joist during erection?
With a minimum of 2-1/8 inch fillet welds 1 inch long or with 1/2 inch bolts.
How should K series steel joists be attached to a support structure?
A minimum of 2-1/4 inch fillet welds 2 inches long or with 3/4 inch bolts.
, 4
Joist girders shall be attached to the support structure with a minimum of what
size welds or bolts?
Heaped.
On equipment spec sheets, the load capacities for excavations are shown often at
what capacities?
You divide the bank volume by the bank volume plus the swell percentage.
How do you find the load factor for excavating?
Reduce the amount of load lost in transit.
Slot dozing can do what to a load in transit?
Finish blading.
What part of the grader's work is the most difficult?
Some transits work as both an optical level and a device for measuring angles.
Why are some transits more complicated than others?
100%
What percent slope is a 45-degree slope?
A set is the length of a trench that a hoe can excavate from one position. It can be
broken down further into digging cycles.
In excavating, what is a set?
1 set at a time.
In excavating, how many sets can a backhoe excavate at one time?
It leaves the soil undisturbed.
What is an advantage of using a nuclear testing gauge to determine soil density?
1) Water Settling (puddling)
2) Combination of weight and vibration
