In the northern hemisphere the longest day of the year occurs on ________ and the shortest on ________. On ________ and ________ the day is 12 hours long everywhere on earth. (these dates are approximate)

Fill in the blank(s) with correct word


June 21; December 21; March 21 and September 21.

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The recessed panel at the bottom of brick manufactured today is called a _____ .

A. frog B. core C. patent D. center

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Which of the following describes continuity monitoring?

a. Uses a heat-tracing controller or current-monitoring relay to signal an alarm when the current in the heat tracing circuit is too low or too high b. Measures the temperature of the pipe with a digital controller connected to a resistance temperature detector temperature sensor attached to the pipe c. Monitors the current leakage from the system heating cable, power wiring, and components to ground using ground fault circuit breakers and/or current-sensing devices that measure current d. Verifies that voltage is present at the end termination of a heat tracing cable run

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Forestry, horticulture, wildlife and natural resources are the least popular areas of study in Agricultural Education

Indicate whether the statement is true or false

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Which of the following best describes a power-assist steering gear system used on most current trucks?

A. External air-assist B. External hydraulic-assist C. Hydrostatic D. Integral hydraulic

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