Dictionaries Questions and Answers
Python Programming - Dictionaries Questions with Answers focus on storing data as key-value pairs efficiently. These Python Dictionaries Questions are often asked in Wipro, SSC, and TCS exams to assess understanding of associative arrays
Dictionaries
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41 questions
11. A system having connected load of 100 kW, peak load of 80 kW. base load of 20 kW and average load of 40 kW, will have a load factor of
- 40%
- 50%
- 60%
- 80%.
12. Load due to one tonne air conditioner is nearly
- (A)100W
- 200 to 500 W
- 1 kW to 2 kW
- 5 kW to 10 kW.
13. Load due to a ceiling fans is nearly
- 10W
- 40 to 50 W
- 100 to 200 W
- 250 W to 2000 W
14. Which domestic utility item has highest power rating ?
- Refrigerator
- Ceiling fan
- Tube light
- Electric iron.
15. A stereo with two 10 watt loudspeakers will provide electrical load of
- more than 12 W
- (B)12 W
- less than 6 W
- 6 W.
16. A steam power station will run with maximum efficiency when it is run
- at low steam pressures
- on pulverized coal
- at higher speeds
- near full load.
17. Which of the following is likely to result in lower efficiency of a power station ?
- Varying loads
- Low voltage generation
- Low turbine speeds
- Non-automatic controls.
18. In a 440 V system, in order to obtain the minimum cost and maximum benefits, the capacitor should be installed
- at the load
- near the transformer
- any where in the circuit
- near the earthling point.
19. In case of medium sized induction motor, the power factor will be maximum at
- No load
- 50% load
- Full load
- Power factor remains constant at all loads.
20. A coaxial line is filled with a dielectric of relative permitivity 9. If C denotes the velocity of propagation in free space, the velocity of propagation in the line will be
- 3 C
- C
- C / 3
- C / 9.