If a pipeline is drawn 3 inches long on a plan marked 1/4" = 1'0", the actual length of the pipeline is
A. 9'
B. 12'
C. 15'
D. 24'
Answer: B
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Which of the following should process technicians look for when maintaining and monitoring distillation systems?
A) Leaks B) Reboiler shell pressure C) Column pressure D) All of the above
All of the following statements about Bacillus thuringiensis (Bt) are accurate except that it:
a. was discovered in 1911 c. eases insects' digestive process b. is nontoxic to mammals d. is a soil-borne bacteria
Which of these is NOT a function of methylation?
a. tissue-specific gene expression c. imprinting genes b. immobilization of mammalian transposons d. Y-chromosome inactivation
To forward bias a silicon diode ________
A) The voltage at the anode must exceed the voltage at the cathode by 0.3 to 0.5 volt B) The anode must be connected to a resistor (300-500 ohms) and 12.0 volts, with the cathode also connected to 12.0 volts C) The voltage at the cathode must exceed the voltage at the anode by 0.3 to 0.5 volt D) The voltage at the anode must exceed the voltage at the cathode by 0.5 to 0.7 volt