09 June 2010

Electrical Engineering Model Questions for Apgenco

Andhra Pradesh Power Generation Corporation has postponed the Written Examniation Date to 1st August 2010 due to clash of dates with APPSC Group-I Preliminary Examination. Candidates are eagerly waiting to know the model papers and questions for APGENCO exams. Following are some model questions for Electrical and Electronics and Communications Engineering candidates. These questions also useful for all Assistant Engineer Exams of DISCOMS and also APPSC AEE Recruitment.

Electrical Engineering Questions:

Question 1: In long transmission line Ferrantic effect is due to --------
1. Resistance
2. capacitance
3. Inductance
4. both capacitance and Inductance

Question 2: 0-10 amps Ammeter has 4% error on its full scale deflection. If same meter reads by 5 amp the error is ------- %.
1. 2
2. 4
3. 8.
4. 16


Question 3: Assuming that both eddy current and Hysteresis lossed are square of the flux density at rated voltage, 60 Hz supply Iron loss are 10 watts. What is Iron losses at 400 Hz?
1. 10 watts
2. 4.4 watts
3. 44.4 watts
4. 444 watts.


Question 4: After closing the switch S at t=0 the current i (t) at any instant 't' in the nerwork shown is...
1. 10 + 10e (to the power of) 100t
2. 10 - 10e (to the power of) -100t
3. 10 + 10e (to the power of ) - 100t
4. 10 - 10e (to the power of ) 100t


Question 5: In Induction heating deapth of penetration is ------
1. Directly proportional to f
2. Inversly proportional to f
3. Directly Proportional to Root f
4. Inversely Proportional to Root f

ANSWERS: 1-4; 2-3; 3-4; 4-2; 5-4.
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