Andhra Pradesh Power Generation Corporation (Apgenco) shall conduct written examination for the posts of Sub-Engineers in various branches. Following are model / previous questions useful for the applicants of APGENCO Sub-Engineers / Junior Plant Assistant (JPAs). Questions are given for the branches of Electrical / Mechanical/ Electronics/ Civil and also for Section-B of the written test. Candidates can follow below mentioned useful books which are available in all famous book stalls.
APGENCO Sub-Engineers Exam Model Questions:
Electrical Branch Model Questions:
1. 220/440, single phase, 11 KV transformer have resistant P.U. is 0.02 on L.V. side. What is the S.V. side resistance?
a) 0.02
b) 0.01
c) 0.04
d) 0.08
Answer: a
2. Insulation of the cable can be measured by?
a) Meggr
b) Kelvin's double bridge
c) Maxwells bridge
d) Schearing bridge
Answer: d
Mechanical Model Questions:
1. DE LAVAL turbine is?
a) Pressure compound impulse turbine
b) Velocity compound impulse turbine
c) Simple single wheel impulse turbine
d) None
Answer: c
2. Fuel injector is used in?
a) S.I. Engines
b) Gas engine
c) C.I. engines
d) None
Answer: c
Electronics Model Questions:
1. Decade counter requires flip flops?
a) 2
b) 4
c) 10
d) 100
Answer: b
2. The C.R.O. input impedance in order of?
a) 10 ohms
b) 100 ohms
c) 10 k ohms
d) 1 m ohms
Answer: d
Civil model questions:
1. The relationship between Cd, Cv, Cc,?
a) Cd=Cc+Cv
b) Cd=Cc+Cv-1
c) Cd=Cc Cv
d) None
Answer: c
Section-B Model Questions for EEE, Mechanical and ECE Branches:
1. Economizer improve bro boiler efficiency by?
a) 1 to 15 %
b) 4 to 10%
c) 10 to 12%
d) 15 to 20%
Answer: b
2. Water hammering effect displace in?
a) ten stocks
b) surge tank
c) craft tube
d) turbine
Answer: a
Useful / Recommended Books for Objective Questions:
1. Electrical: J.B. Gupta, Rajput
2. Mechanical: R.S. Kurmi, R.K.Bansal
3. Electronics: J.P. Singh
4. Instrumentation: A.K. Sahney
5. ECET: Falcon Series
6. Civil: Rangachari
7. Section - B : Power Plant Engineering: Rajput
APGENCO Sub-Engineers Exam Model Questions:
Electrical Branch Model Questions:
1. 220/440, single phase, 11 KV transformer have resistant P.U. is 0.02 on L.V. side. What is the S.V. side resistance?
a) 0.02
b) 0.01
c) 0.04
d) 0.08
Answer: a
2. Insulation of the cable can be measured by?
a) Meggr
b) Kelvin's double bridge
c) Maxwells bridge
d) Schearing bridge
Answer: d
Mechanical Model Questions:
1. DE LAVAL turbine is?
a) Pressure compound impulse turbine
b) Velocity compound impulse turbine
c) Simple single wheel impulse turbine
d) None
Answer: c
2. Fuel injector is used in?
a) S.I. Engines
b) Gas engine
c) C.I. engines
d) None
Answer: c
Electronics Model Questions:
1. Decade counter requires flip flops?
a) 2
b) 4
c) 10
d) 100
Answer: b
2. The C.R.O. input impedance in order of?
a) 10 ohms
b) 100 ohms
c) 10 k ohms
d) 1 m ohms
Answer: d
Civil model questions:
1. The relationship between Cd, Cv, Cc,?
a) Cd=Cc+Cv
b) Cd=Cc+Cv-1
c) Cd=Cc Cv
d) None
Answer: c
Section-B Model Questions for EEE, Mechanical and ECE Branches:
1. Economizer improve bro boiler efficiency by?
a) 1 to 15 %
b) 4 to 10%
c) 10 to 12%
d) 15 to 20%
Answer: b
2. Water hammering effect displace in?
a) ten stocks
b) surge tank
c) craft tube
d) turbine
Answer: a
Useful / Recommended Books for Objective Questions:
1. Electrical: J.B. Gupta, Rajput
2. Mechanical: R.S. Kurmi, R.K.Bansal
3. Electronics: J.P. Singh
4. Instrumentation: A.K. Sahney
5. ECET: Falcon Series
6. Civil: Rangachari
7. Section - B : Power Plant Engineering: Rajput