New Jersey Parks Maintenance Worker Exam Questions And 100% Correct Answers (Verified Answers) Latest Update 2026/2027 | Graded A+.

New Jersey Parks Maintenance Worker Exam Questions And 100% Correct Answers (Verified Answers) Latest Update 2026/2027 | Graded A+. 1. Which of the following tools is best for trimming low branches from trees? A. Spade B. Pruning saw C. Rake D. Wheelbarrow Pruning saws are designed to cut through branches efficiently without damaging the tree. 2. What is the primary purpose of mulching around plants? A. To water plants B. To retain soil moisture and reduce weeds C. To fertilize plants D. To provide shade Mulch helps conserve moisture, suppress weeds, and regulate soil temperature. 3. When planting new shrubs, how deep should the planting hole typically be? A. Twice as deep as the root ball B. Equal to the root ball depth C. Half the root ball depth D. Three times the root ball depth Planting at the same depth as the root ball prevents root stress and encourages proper growth. 4. What is the recommended way to dispose of fallen leaves in a public park? A. Burn them B. Compost them C. Throw them in a river D. Leave them in walkways Composting recycles nutrients and is environmentally safe. 5. Which fertilizer ratio is considered balanced? A. 10-5-5 B. 5-10-5 C. 5-5-10 D. 10-10-10 Balanced fertilizers provide equal amounts of nitrogen, phosphorus, and potassium for general plant health. 6. When using a chainsaw, what personal protective equipment (PPE) is essential? A. Gloves and sneakers B. Helmet, face shield, chainsaw chaps, and gloves C. T-shirt and jeans D. Sandals and safety glasses Proper PPE reduces the risk of serious injury when operating a chainsaw. 7. Which of the following is an organic method of controlling weeds? A. Glyphosate B. 2,4-D C. Mulching D. Pre-emergent herbicide Mulching prevents weeds naturally without chemical use. 8. What is the correct way to sharpen a lawn mower blade? A. With a hammer B. Using a file or grinding tool while ensuring proper balance C. By hitting it on concrete D. Using sandpaper only Proper sharpening ensures a clean cut and avoids imbalance in the blade. 9. Which of the following pests commonly affects ornamental trees? A. Aphids B. Emerald ash borer C. Japanese beetles D. All of the above All listed pests can harm ornamental trees, making monitoring essential. 10. How often should a public park’s picnic tables be inspected for damage? A. Once a year B. Monthly C. Only when reported D. Every five years Monthly inspections ensure safety and timely repairs for public use. 11. What is the most effective way to prevent soil erosion along park trails? A. Plant grass and groundcover B. Install retaining walls and proper drainage C. Spray herbicide D. Leave soil bare Retaining walls and drainage stabilize slopes and reduce erosion. 1. Which type of mower is safest to use on slopes? A. Riding mower B. Push mower C. Zero-turn mower D. Reel mower Push mowers provide more control and reduce the risk of tipping on slopes. 2. A park maintenance worker notices a leaking irrigation system. What is the first step? A. Call a plumber B. Ignore it C. Shut off the water and assess the leak D. Increase water pressure Turning off water prevents further damage and allows for safe repairs. 3. A park tree shows signs of disease. Who should the worker contact? A. Local police B. Arborist or park supervisor C. Visitors D. Nearby homeowners Arborists are trained to diagnose and treat tree diseases safely.