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 material is used in the manufacture of low-current fuses?
A 4-pole, 450 V DC shunt motor has 600 wave-connected conductors on its armature. The full-load armature current is 50 A and the flux per pole is 0.044 Wb. The armature resistance including brush contact is 0.2 $\Omega$. Calculate the full-load speed of the motor.
Which of the following statements is correct regarding BJT?
For a DC series motor, the torque is proportional to which of the following? ($I_a =$ armature current)
The output signal of which of the following pins in 8085 microprocessors can be used as a system clock for devices on the board?
In a common-base transistor, $I_E$ and $I_B$ are found to be 2.5 mA and 50 μA, respectively. Compute the value of 'α'.
In a DC generator, how can the induced EMF be increased?
What is the plant utilisation factor for a general power plant?
Which of the following quantities is measured in VAr (Volt-Ampere-Reactive)?
Pressure cables are used when:
Which of the following is NOT true regarding a half adder?
Extra high-tension (EHT) cables are meant to be used for voltages ranging:
Which of the following statements is NOT correct regarding tungsten?
The eccentricity of a hyperbola is always:
What will be the equation for a sinusoidal current of 50 Hz frequency with an RMS value of 10 A?
How can one get incremental cost curve from cost curve?
Which of the following statements pertaining to different modes of the 8255 microprocessor is/are true?
A. In mode 0, Port A can be set up for bidirectional data transfer by using handshake signals from Port C, whereas Port B can be set up either in mode 0 or in mode 1.
B. In mode 1, Port A and/or Port B use bits from Port C as handshake signals.
A conductor of length 2 m moves at right angle to a magnetic field of flux density $3\text{ Wb/m}^2$ with the velocity of 40 m/s. What will be the induced EMF?
What is value of internal resistance of an ideal current source?
If we want to erase a small line, which has many nearby lines, then which of the following instruments should be used?
Select the correct option regarding the given statements.
Statement 1: Location of the circuit and the type of wiring decide the size of cable.
Statement 2: The current carrying capacity of the cable decides the size of the cable.
The above figure used in electrical circuits represents a/an:
The following symbol is used to represent which of the given options?
Which of following types of hydroelectric plants work like a giant battery?
The dimensioning system shown in the above figure is: