What is a low water cut out?
What will be an ideal response?
The low water cut out will automatically shut off the boiler on low water level.
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Factors to be considered when selecting motor controllers include the required types of starting, stopping, reversing, running, and controlling speed and sequence. Name two other factors that influence the selection of a controller?
What will be an ideal response?
Calculate the weight, in grams, of a piece of steel round stock that has a radius of 7.8 cm and a height of 37.6 cm. One cubic centimeter of steel equals 7.748 grams. Round the answer to the nearest hundredth.
Coolant absorbs heat from the engine when it is running. What is done with the absorbed heat?
A) The heat is transferred to the air by the AC system B) The heat is stored in the heater core C) The heat is transferred to the radiator D) It is removed by resistance
Las protuberancias deberían:
a. no aislarse. b. aislarse a 6 pulgadas (15,24 cm) desde el aislamiento de la tubería principal c. aislarse dos veces lo que se aísla el tubo. d. aislarse cuatro veces el grosor de la superficie que esté aislándose