MEOC Case Analysis & Practical Application 2

Question 1

You are excavating near an underground utility line marked 18 inches from your planned cut. The standard safe excavation distance from a marked utility is:

Accepted Answer

24 inches

Answer

6 inches

Answer

18 inches

Answer

36 inches

Question 2

During a grading job, you notice the spoil pile is too close to the excavation edge and soil is starting to slip. Your FIRST action should be:

Accepted Answer

Stop work and relocate the spoil pile

Answer

Continue working and monitor the pile

Answer

Add water to stabilize the soil

Answer

Increase excavation speed to finish faster

Question 3

You arrive at a residential site and find a gas line marked 3 feet from your dig area. What should you do before breaking ground?

Accepted Answer

Call 811 to confirm the mark is current and accurate

Answer

Begin digging carefully on the opposite side

Answer

Assume the marking is correct and proceed with extra caution

Answer

Dig a test trench parallel to the marked line

Question 4

While operating a mini excavator on a hillside, the machine starts to feel unstable during a swing. The safest corrective action is:

Accepted Answer

Lower the boom and bucket to reduce the center of gravity

Answer

Swing faster to reduce the time the load is off-center

Answer

Extend the arm fully to counterbalance the load

Answer

Increase engine RPM to gain more hydraulic power

Question 5

You are asked to lift a concrete barrier with the excavator bucket. The load is within the machine's rated lifting capacity. What is the key consideration before lifting?

Accepted Answer

Whether the attachment is rated and rigged for lifting operations

Answer

Whether the engine temperature is at normal operating level

Answer

Whether the fuel level is above half

Answer

Whether the tracks are parallel to the load

Question 6

A co-worker signals you to stop but you cannot see what the hazard is. You should:

Accepted Answer

Stop immediately and wait for clarification

Answer

Slow down and continue until you can identify the hazard

Answer

Sound the horn and continue at reduced speed

Answer

Ask over radio before stopping

Question 7

After completing a trenching job, water begins accumulating in the open trench. Before workers enter for pipe installation, you must:

Accepted Answer

Pump out the water and ensure the trench walls are still stable

Answer

Allow the water to drain naturally overnight

Answer

Place wooden boards over the water for workers to walk on

Answer

Instruct workers to wear waterproof boots and enter carefully