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Recently added practice questions

11761. A tube is specified by its____________________?
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A. Outer diameter only

B. Thickness & outer diameter both

C. Inner diameter

D. Thickness only

11762. A tube has the following advantage over pipe_________________?
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A. none of the above

B. greater shock absorption

C. smoother inside walls

D. all of the above

E. lighter and easier to handle

11763. A triangle is used for__________________?
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A. separating all the sidings and shunting lines from main lines

B. changing the direction of engine

C. preventing the vehicles from running off the track

D. transferring wagons to and from parallel tracks without shunting

11764. A Triac is a ______________?
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A. 3 terminal bilateral switch

B. 2 terminal bilateral switch

C. 3 terminal bidirectional switch

D. 2 terminal switch

11765. A treeless artic plain is called as___________________?
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A. Barren land

B. Tundra

C. Glaciers

D. None of the above

11766. A transistor behaves as a linear device for _____________?
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A. Small signals only

B. Large signals only

C. Both small and large signals

D. None of the above

11767. A transformer coupled class A power amplifier has a load of 100 O on the secondary. If the turn ratio is 10:1, what is the value of load appearing on the primary?
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A. 20 kO

B. 100 kO

C. 10 kO

D. 5 kO

11768. A transformer cannot raise or lower the voltage of a D.C. supply because_______________?
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A. there is no need to change the D.C. voltage

B. none of the above

C. Faradays laws of electromagnetic induction are not valid since the rate of change of flux is zero

D. a D.C. circuit has more losses

11769. A transformer can have zero voltage regulation at______________?
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A. leading power factor

B. lagging power factor

C. unity power factor

D. zero power factor

11770. A transformer can have regulation closer to zero___________?
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A. on zero power factor

B. on overload

C. on full-load

D. on leading power factor
11771. A transaction involves ____________?
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A. all of the above

B. at least two parties

C. each party is free to accept or reject the exchange offer

D. each party is capable of communication and delivery

11772. A trained observer_________________?
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A. knows what to expect

B. knows which data are relevant to the research problem

C. is most a home in experimental settings?

D. records everything that he or she sees

11773. A train when moves at an average speed of 40 kmph, reaches its destination on time. When its average speed becomes 35 kmph, then it reaches its destination 15 minutes late. Find the length of journey.
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A. 30 km

B. 80 km

C. 70 km

D. 40 km

11774. A total of how many sonnets constitute the entirety of Astrophil and Stella ?
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A. 10

B. 20

C. 30

D. 40

11775. A total of 3000 chocolates were distributed among 120 boys and girls such that each boy received 2 chocolates and each girl received 3 chocolates. Find the respective number of boys and girls?
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A. 40, 80

B. 70, 50

C. 50, 70

D. 60, 60
11776. A top can fill a cistern in 8 hours and another can empty it in 16 hours. If both the taps are opened simultaneously the time (in hours) to fill the tank is
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A. 24

B. 8

C. 10

D. 16
11777. A thyristor can termed as__________?
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A. AC switch

B. DC switch

C. Both a and B

D. Square wave switch

11778. A three-phase synchronous motor will have_____________?
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A. two slip-rings

B. three slip-rings

C. one slip-ring

D. no slip-rings

11779. A three point starter is considered suitable for______________?
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A. shunt motors

B. shunt as well as compound motors

C. all D.C. motors

D. shunt, compound and series motors

11780. A three day cooling off period in which buyers can cancel a contract after re-thinking it is to protect the consumer from ?
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A. detail selling

B. high pressure telling

C. hard core selling

D. creative selling

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