Master official DSSSB Junior Engineer (Electrical) previous years' solved question papers across Tier-I and Tier-II examinations. Covers Technical Electrical Engineering (Circuits & Network Theory, Electromagnetic Fields, Electrical Machines, Generation, Transmission & Distribution, Switchgear & Protection, Estimation & Costing, Electrical Wiring, Illumination Engineering, and Electronics) along with General Awareness, Reasoning, Quantitative Aptitude, English, and Hindi comprehension.
Marking pattern: +1.00 positive, -0.25 (0.25 Marks) negative marking (Official DSSSB Computer-Based Examination Scheme).
Which of the following statements is NOT correct?
Which of the following statements is true about the shaded-pole induction motor?
The following symbol is used to represent which of the given options?
Which of the following statements pertaining to the bleeder resistor used in filter circuits are true?
A. It improves voltage regulation of the supply.
B. It provides safety to the technicians handling the equipment.
C. The value of bleeder resistance should be such that the bleeder resistor can conduct 20% of the total load current.
The total energy of an electron when it occupies L-shell of a hydrogen atom is:
Which of the following statements is NOT true?
In which of the following devices can we control the turning on of the device but cannot control when it is turned off?
I - SCR, II - TRIAC, III - DIAC, IV - Diode
The number of magnetic lines of force emanating from a magnetic material is known as:
Coil A and Coil B have self-inductance of $125\;\mu\text{H}$ and $500\;\mu\text{H}$, respectively. A current of 2 A in Coil A produces flux linkages of $200\;\mu\text{Wb-turns}$ in Coil B. Calculate the coefficient of coupling.
Which of the following is/are considered to be an intermittent energy source?
Which of the following statements is true regarding inverters?
Transistor-transistor logic is a logic family implemented with the bipolar process technology that integrates:
What is residual flux density?
What will be the value of current, if N number of electrons are passing through a wire in T time?
Measurement of a quantity having its true value equal to 10 is done with two instruments. First instrument shows the value to be 8.01, 8.02, 8.01 in three measurements and second instrument shows the value to be 10, 10.1, 10.2 in three measurements. Which of the following statements is true?
The standard heights of letters recommended by BIS SP: 46-2003 are in the progressive ratio of:
The area of magnetisation curve for hard magnetic materials will be:
Which of the following magnetic quantities is represented in ampere-turns per weber?
In Category B type, the height of the uppercase letter is divided into _________ parts.
The load factor for an electrical power supply system is defined as:
Which of the following is an INCORRECT statement?
Which of the following instruments is used to measure the humidity?
What is the effect of armature reaction in a three-phase synchronous generator, in case of zero power factor leading load?
There is a voltage source $V_1$ in series with its internal resistance $R_s$ and load resistance is $R_L$, which is variable. Which of the following conditions does NOT indicate maximum power transfer to the load?
In a magnetic circuit, if air gap is introduced, then in order to establish same flux, which of the following statements is correct?