The alteration in the jet stream occurring along the Pacific Coast of South America is called ____________________
Fill in the blank(s) with correct word
El Niño
El Nino
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Which of the listed statements represents a valid restriction during personnel-hoisting operations?
a. A platform shall not be positioned less than 20 feet from an energized 480 kV transmission power line. b. Platform raising and lowering speeds must be less than 75 feet per minute. c. The operator may not use the main boom hoist unless the personnel lift is being conducted on a boom extension longer than 20 feet. d. Lift supervision must terminate the lift if wind speeds exceed 20 mph at the level of the platform.
A engine dynamometer is used to measure engine ________
A) Torque B) Horsepower C) Mass D) Weight
The triac operates in a manner similar to that of two connected ____.
A. SCRs B. resistors C. ICs D. capacitors
Boilers with low thermal mass tend to have ____ cycle efficiencies due to lesser amounts of heat remaining in the boiler following burner shutdown.
a. lower b. unpredictable c. higher d. dependable