Engineering, 09.09.2019 04:20 srshelton
Which of the following statements are true concerning ac circuit that contains both resistance and inductance? a. the current and voltage will be in phase., b. the current will lead the voltage ., c. the current will lag the voltage. d. the voltage will lag the current.
Answers: 2
Engineering, 04.07.2019 08:10
Which of the following is an easy way to remember the modified āxā tire rotation? a. nondrive wheels straight, cross the drive wheels b. drive wheels straight, cross the nondrive wheels c. drive wheels crossed, nondrive wheels straight d. drive wheels crossed, nondrive wheels crossed
Answers: 1
Engineering, 04.07.2019 18:10
At 12 noon, the count in a bacteria culture was 400; at 4: 00 pm the count was 1200 let p(t) denote the bacteria cou population growth law. find: (a) an expression for the bacteria count at any time t (b) the bacteria count at 10 am. (c) the time required for the bacteria count to reach 1800.
Answers: 1
Engineering, 04.07.2019 18:10
A-mn has a cubic structure with a0 0.8931 nm and a density of 7.47 g/cm3. b-mn has a different cubic structure, with a0 0.6326 nm and a density of 7.26 g/cm3. the atomic weight of manganese is 54.938 g/mol and the atomic radius is 0.112 nm. determine the percent volume change that would occur if a-mn transforms to b-mn.
Answers: 2
Engineering, 04.07.2019 18:10
Awall of 0.5m thickness is to be constructed from a material which has average thermal conductivity of 1.4 w/mk. the wall is to be insulated with a material having an average thermal conductivity of 0.35 w/mk so that heat loss per square meter shall not exceed 1450 w. assume inner wall surface temperature of 1200Ā°c and outer surface temperature of the insulation to be 15Ā°c. calculate the thickness of insulation required.
Answers: 3
Which of the following statements are true concerning ac circuit that contains both resistance and i...
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