Radar system works on
(a) Electron waves
(b) Magnetic waves
(c) Electromagnetic waves
(d) None of these
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The content of lead in an ore is 25%. What amount of ore will be needed to get 80 kgs. of lead? (a) 400 kg (b) 200 kg (c) 500 kg (d) 320 kg
The critical mass of a nuclear reaction is (1) The initial mass to start a nuclear fission (2) The minimum mass for the chain reaction (3) The size of the reactor core (4) The size of the reactor core + size of the moderator
Probability of getting a total of 8 in the rolling of 2 dice is (a) 5/36 (b) 1/6 (c) 1/3 (d) 7/12
The minimum value of the function y = x5 ? 4x4 + 5x3 ? 1 occurs when (a) X = 3 (b) X = 2 (c) X = 1 (d) X = 0
what is bearing ?
i need rrb section engineer previous year question paper... please send to my mail id anitha243@yahoo.co.in
Where are the headquarters of the European Economic Community? (1) Brussels (2) London (3) Berlin (4) Paris
A hawker cuts a watermelon fruit into 12 pieces and sells each piece at Rs.5. If he gains 50% then the cost price of the fruit was (a) Rs. 30 (b) Rs. 40 (c) Rs. 25 (d) None of these
how many districts of jammu & srinagar
No of cells in in chess board
2 Answers RRC Railway Recruitment Cell,
A wire of resistance 10 ohms is drawn out to three times its original length. The new resistance will be (1) 90 ohm (2) 10 ohm (3) 30 ohm (4) 120 ohm
I have applied for the post of section engineer.plz send me the previous year question or else send in which portions dey questions.i dont know the pattern too.