UPPSC Technical Education Teaching Exam Notification 2021
Uttar Pradesh Public Service Commission has released the official notification for the recruitment of Principal, Lecturer, Librarian, and Workshop Superintendent. The Online application has been started on 15th September 2021 and the last date to apply online is 15th October 2021. The recruitment is for a total of 1370 UPPSC Polytechnic Lecturer Vacancies.
UPPSC-LECTURER’21 EE: Daily Practices Quiz
UPPSC-LECTURER’21 EE: Daily Practices Quiz 04-Oct-2021
Each question carries 3 marks.
Negative marking: 1 mark each or 1/3rd
Total Questions: 06
Time: 08 min.
Q1. The time-constant of the network shown in the figure is
(b) 2 CR
Q2. The signal is shown below in the figure represents?
(a) Energy signal
(b) Power signal
(c) Energy & power
(d) Neither energy nor power
Q3. For induction motors at low values of slip:
(a) The torque slip is approximately a hyperbola
(b) The torque slip is approximately a straight line
(c) The torque slip curve is at its maximum
(d) The torque slip is approximately a parabola
Q4. The minimum number of two-input NAND gates required to perform the two-input
Q5. Phase reversed of 180⁰ as compared to input occurs in the output of
(a) CE amplifier
(b) CB amplifier
(c) CC amplifier
(d) All of the above
Q6. A single phase, half-wave, controlled rectifier has 400 sin〖(314 t)〗 as the input voltage and R as the load. For a firing angle of 60⁰ for the SCR, the average output voltage is
(b) 240/ π
(c) 300/ π
(d) 400/ π
Sol. This is ramp signal, ramp signal is neither energy signal nor power signal.
Sol. For induction motor –
at low value of slip, S×_2≪R₂
Sol. Phase reversed of 180⁰ as compared to input occurs in the output of CE amplifier.
Sol. A single phase, half-wave, controlled rectifier, V_avg=V_m/2π(1+cos〖α)〗