If combustion air openings pass through vertical ducts with 4,000 BTU input, how large should the openings measure?
A) 3 sq in B) 2 sq in C) 4 sq in D) 1 sq in
D
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In a brushless DC motor, a special circuit is used to perform the commutation of the applied DC.
Answer the following statement true (T) or false (F)
Which engine manufacturers were the first to introduce cracked rod technology to the North American commercial diesel engine marketplace?
A. Cat and Volvo B. International and Perkins C. Cummins and Mack D. DDC and Mercedes Benz
When batteries are connected in series ___________
a. The voltage of the group of batteries increases. b. The current of the group of batteries increases. c. Both the voltage and current of the group of batteries increases.
Which of the following is not part of the SS-7 message format used to carry information about the call being placed?
A) originating telephone number B) originating switch address C) the next node the message will travel to, with higher level addresses used to direct the message to the correct database D) terminating telephone number E) terminating switch address F) none of the above (all are part of the format) Indicate whether the statement is true or false