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RRB SSE Mechanical 2014
53

RRB SSE Mechanical Question Paper 2014 (Set-1) with Answer Key

53) Advantages of D.C. over A.C. is

No skin effect

Charging currents are eliminated

Line regulation is improved

All of the above

Answer is:

Line regulation is improved

RRB SSE Mechanical Question Paper 2014 (Set-1) with Answer Key

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Related RRB SSE Mechanical Question Paper 2014 (Set-1) with Answer Key

54) Two electric bulbs of 50 watts and 100 watts are given. Which one of the two bulbs will be brighter when they are connected in series to the mains

50 watts

100 watts

both 50 watts as well as 100 watts

none of the above

Answer is:

50 watts

55) Full wave Rectifier has theoretical maximum efficiency of

40.60%

81.20%

78.50%

50%

Answer is:

81.20%

56) Smita, Monica and Reema can type a 50 page document in 4 hrs, if they work together Smita herself can type it in 12 hrs and Reema can do it in 10 Hours. Monica alone can type it in

10 Hours

12 Hours

15 Hours

18 Hours

Answer is:

15 Hours

57) Pyrometer is used to measure

Strain

Pressure

Stress

Temperature

Answer is:

Temperature

RRB SSE Mechanical Question Paper 2014 (Set-1) with Answer Key

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