# General Electric Placement Paper - 30 July 2007

Posted on :17-02-2016
General Electric Placement Paper - 30 July 2007:-

Q1. AB and CD are two chords of a circle. AB=2*CD. The perpendicular distance of chords AB and CD from the center of the circle are a, b respectively. Express AB in terms of a, b.

Q2. The fungus in a vessel doubles for every 5 minutes. At 3.00 P.M the fungus in the vessel is 120. At what time the fungus rate is 960?

ANS: 3.15 P.M.

Q3. A pipe can fill tank in 3 hrs. A hole at the bottom of tank can empty the tank in 6 hrs. After 1/2 hr the hole at the bottom of tank is opened. Find the time taken to fill the tank completely.

Q4. The time taken by boat to row upstream 2km and downstream 6km is same. Calculate the speed of boat in still water.

a) 4 kmph
b) 8 kmph
c) 2 kmph

ANS: a

Q5. A triangle inscribed in a circle is given and asked to find out the angle.

Q6. A, B, C can finish a piece of work in 12 days. A alone can finish the same work in 20 days. B alone can finish the same work in 18 days. In how many days C alone can complete the same work?

Q7. The size of the room is 120x80 and the size of each tile is 2.4x1.8. Find minimum number of tiles required to cover the floor?

Technical paper:-

Q8. Number of poles, speed of the alternator, etc are given and asked to find the voltage induced in the rotor circuit of the alternator.

Q9. 3 resistances of resistance R/2 are connected in star, the magnitude of resistances when connected in delta is?

ANS: 3R/2

Q10. The resistance of conductor is R. If the conductor length gets doubled and cross section is reduced by half a time then the resistance of conductor is

a) R remains same
b) R gets reduced by 2
c) R increases by 2
d) R increases by 4

ANS: d

Q11. In dc motor the motion of conductor is given by

a) Flemmings right hand rule
b) Flemings left hand rule
c) Cork screw rule

ANS: b.

Q12. In parallel circuit under resonance

a) current is maximum
b) impedance is minimum
c) voltage magnification takes place
d) current magnification takes place

Q13. Two plates of cross section 2 mm2 are separated by a distance of 1cm. What is the capacitance between these plates?

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