Related Questions

The output transformer used in a power amplifier is a ___________ transformer
A 1:1 ratio
B Step-up
C Step-down
D None of the above
Two men and women are entrusted with a task. The second man needs three hours more to cope up with the job than the second man and the woman would need working together. The first man, working alone, would need as much time as second man and the woman working together. The first man working alone, would spend eight hours less than the double period of the time second man would spend working alone. How much time would the two men and the women need to complete the task if they all asked together?
A 1 hour
B 2 hours
C 3 hours
D 4 hours
E 5 hours
Which of the following is the main advantage of an auto-transformer over a two-winding transformer?
A Eddy losses are totally eliminated
B Copper losses are negligible
C Saving in winding material
D Hysteresis losses are reduced
The changes in volume of transformer cooling oil due to variation of atmospheric tem-perature during day and night is taken care of by which part of transformer
A Conservator
B Breather
C Bushings
D Buchholz relay
Which of the following is the main advantage of an auto-transformer over a two winding transformer?
A Hysteresis losses are reduced
B Saving in winding material
C Copper losses are negligible
D Eddy losses are totally eliminated
Power amplifiers generally use transformer coupling because transformer per-mits
A Cooling of the circuit
B Impedance matching
C Distortionless output
D Good frequency response
We need both ornament and implement in our society; we need the artist and the --
A beautician
B artisan
C architect
D politician
Sarah need to make a cake and some cookies. The cake requires 3/4 cup of sugar and the cookies require 3/5 cup of sugar. Sarah has 15/16 cups of sugar. Does she have enough, or how much more does she need?
A has enough sugar
B needs 1/8 of a cup of sugar
C needs 3/80 of a cup of sugar
D needs 4/19 of a cup of sugar
You need 4/5 cups of water for a recipe. You accidentally put 1/3 cups into the mixing owl with cups do you need to add?
A 2/3
B 1/15 cups
C 7/15 cups
D 7/16 cups
[Rewrite the sentence starting with the part given and bracket below, keeping the meaning changed in question] After three hours of walking the museum, the entire family felt in need of a rest. (The entire family felt in need of a rest)
A walking through the museum for three hours
B having walked through the museum for three hours
C and they walked through the museum for three hours
D despite having walked through the museum for three hours

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