Master official APPSC Assistant Executive Engineer previous years' solved question papers with comprehensive step-by-step derivations across Electric Circuits & Network Theory, Electromagnetic Fields, Electrical Machines, Power Systems (Transmission, Distribution & Protection), Control Systems, Electrical & Electronic Measurements, Power Electronics & Drives, and Analog & Digital Electronics.
Marking pattern: +1.00 positive, -0.33 negative marking (Official APPSC 1/3rd Negative Marking Scheme; 150 Questions, 150 Marks).
Ungrounded neutral transmission system is not recommended because of system
A system is said to be effectively grounded when for the portion under consideration, the ratio of
Which of the following motors is best suited for the rolling mills?
In a paper mill where constant speed is required
________ has relatively wide range of speed control.
Which of the following motors is preferred when quick speed reversal is the main consideration?
For which of the following applications, motor has to start with high acceleration?
Which of the following machines has heavy fluctuation of load?
Which of the following is preferred for automatic drives ?
In overhead travelling cranes
The following is not an instantaneous relay
Protective relays are devices which detect abnormal conditions in electrical circuits by measuring
Fault current is maximum in an impedance relay if the fault has occurred
Buchholz relay is operated by
The time interval between the instant of occurrence of the fault and the instant of closing of the relay contacts is known as
For which equipment, continuous current rating specification is not necessary?
Which relay is used in protection of long transmission lines ?
Buchholz relay is
Admittance relay is basically a/an
A MHO relay is a
Which is the circuit breaker (CB) preferred for the interruption of high voltages and low current?
Arcing between CB contacts can be reduced by
The voltage across the circuit breaker contacts after final current zero is
Resistance switching is normally used in case of
The symmetrical breaking capacity of a 3-phase circuit breaker is given by