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UPPCL RECRUITMENT 2021
Uttar Pradesh Power Corporation Limited has rolled out the official notification for the recruitment of Assistant Engineers and Junior Engineers for a total of 286 UPPCL Vacancy 2021. The Online submission of the application form for UPPCL Recruitment 2021 starts on 12th November 2021 and the last date to apply for the same is 2nd December 2021.
UPPCL-JE’21 EE: Daily Practices Quiz
UPPCL-JE’21 EE: Daily Practices Quiz 08-Nov-2021
Each question carries 1 mark.
Negative marking: 1/4 mark
Total Questions: 06
Time: 06 min.
Q1. A ballistic galvanometer is calibrated to measure
(a) Current
(b) Voltage
(c) Resistance
(d) Charge
Q2. Slip rings and brushes are found in
(a) Wound rotor
(b) Squirrel cage rotor
(c) Both of the above
(d) None of the above
Q3. Creeping is a term related to instruments?
(a) PMMC type
(b) Dynamometer type
(c) Induction type
(d) Moving iron type
Q4. Which of the following speed control method of a DC machine is NOT a constant torque drive?
(a) Armature resistance control
(b) Armature voltage control
(c) Field flux control
(d) All of the above
Q5. In a transformer the voltage regulation will be zero when it operates at:
(a) Lagging pf
(b) Leading pf
(c) Unity pf
(d) Zero pf leading
Q6. For eliminating n^th harmonic from emf generated in the phase of 3-phase alternator, the chording angle should be:
(a) 1/n×full pitch
(b) n ×full pitch
(c) 2/n×full pitch
(d) 3/n×full pitch
SOLUTIONS
S1. Ans.(d)
Sol. The galvanometer which is used for estimating the quantity of charge flow through it is called the ballistic galvanometer.
For Ballistic galvanometer, q α Ө.
S2. Ans.(a)
Sol. Wound or slip ring rotor.
S3. Ans.(c)
Sol. The slow but continuous rotation of the energy meter (Induction type) when only the pressure coil is excited and no current is flowing through the current coil is called creeping.
