What type of boiler is most commonly used in the process industries?
A. Water tube
B. Waste heat
C. Fire tube
D. Steam tube
A. Correct. Water tube boilers are a common type of boilers.
B. Incorrect. Water tube boilers are a common type of boilers.
C. Incorrect. Water tube boilers are a common type of boilers.
D. Incorrect. Steam tube is not a type of boiler.
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Sometimes the shielding gas is referred to as the shielding ____________________.
Fill in the blank(s) with the appropriate word(s).
What is a subroutine?
What will be an ideal response?
What effect does slowing down the blower speed have on a heating unit?
A) It decreases the air temperature rise. B) It does not affect the unit temperature. C) It causes return-air temperature to increase. D) It increases the air temperature rise.
Relay ladder logic and ladder logic for a PLC program are similar because the output symbols and control logic are on a rung, but different because the PLC ladder never has field device switch contacts located in it
Indicate whether the statement is true or false