Name five ways to protect a garden from insects and diseases
What will be an ideal response?
To help prevent severe damage from pests, the following practices should be helpful:
• Rotate crops so that the same or a related crop does not occupy the same area every year. This helps
control soil-borne diseases.
• Watch closely for insects. Pick them off by hand or knock them off with a hard stream of water.
Introduce predatory insects.
• When using sprinklers, water early in the day, so the foliage can dry before nightfall. Diseases of
leaves and fruit prosper in damp conditions.
• Keep weeds out of the garden. Weeds may harbor diseases or insects and will interfere with spraying
and dusting of crops.
• Use correct amounts of fertilizer and lime to promote vigorous growth.
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Which of the following is an equipment hazard associated with compressors? (Select all that apply.)
a. Discharge of harmful gas into the air b. Chemical exposure c. Electric shock d. Inadequate lubrication
Which of the following is an example of an item that can trip an interlock and shut down a furnace?
A. High stack temperature B. Low levels of O2 in the stack C. Low levels of NOx in the stack D. Low levels of CO in the stack
Answer the following statement(s) true (T) or false (F)
1. A true three-phase transformer contains six separate transformers wound on a single core. 2. The disadvantage for three-phase transformers is that if a single transformer should fail, the entire transformer must be repaired or replaced. 3. Delta connections should be checked for proper polarity after applying power. 4. A voltmeter is a low-impedance device. 5. Three-phase transformer connections are often used to supply single-phase loads, which tend to unbalance the system.
Which vehicle condition is the highest?
A) Good B) Fair C) Poor D) Excellent