Electrical Engineering (EE) Exam  >  Electrical Engineering (EE) Tests  >  GATE Electrical Engineering (EE) 2024 Mock Test Series  >  Test: Electrical Machines & Power Systems- 2 - Electrical Engineering (EE) MCQ

Test: Electrical Machines & Power Systems- 2 - Electrical Engineering (EE) MCQ


Test Description

20 Questions MCQ Test GATE Electrical Engineering (EE) 2024 Mock Test Series - Test: Electrical Machines & Power Systems- 2

Test: Electrical Machines & Power Systems- 2 for Electrical Engineering (EE) 2024 is part of GATE Electrical Engineering (EE) 2024 Mock Test Series preparation. The Test: Electrical Machines & Power Systems- 2 questions and answers have been prepared according to the Electrical Engineering (EE) exam syllabus.The Test: Electrical Machines & Power Systems- 2 MCQs are made for Electrical Engineering (EE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Electrical Machines & Power Systems- 2 below.
Solutions of Test: Electrical Machines & Power Systems- 2 questions in English are available as part of our GATE Electrical Engineering (EE) 2024 Mock Test Series for Electrical Engineering (EE) & Test: Electrical Machines & Power Systems- 2 solutions in Hindi for GATE Electrical Engineering (EE) 2024 Mock Test Series course. Download more important topics, notes, lectures and mock test series for Electrical Engineering (EE) Exam by signing up for free. Attempt Test: Electrical Machines & Power Systems- 2 | 20 questions in 60 minutes | Mock test for Electrical Engineering (EE) preparation | Free important questions MCQ to study GATE Electrical Engineering (EE) 2024 Mock Test Series for Electrical Engineering (EE) Exam | Download free PDF with solutions
1 Crore+ students have signed up on EduRev. Have you? Download the App
Test: Electrical Machines & Power Systems- 2 - Question 1

The ratio of starting torque to maximum torque is 80%. Then the slip at maximumtorque occurs is____________

Test: Electrical Machines & Power Systems- 2 - Question 2

A 4 pole, 50 Hz, 3<|> induction motor has blocked rotor reactance per phase is four times to the rotor resistance per phase. Thespeed at which maximum torque developed is           

Test: Electrical Machines & Power Systems- 2 - Question 3

Two 50 Hz induction motorshaving 10 & 14 poles are connected in cancated fashion. The possible synchronous speed is ____________

Test: Electrical Machines & Power Systems- 2 - Question 4

A 1φ, 50 Hz induction motor having '6' poles running at 940 rpm. Its slips with respect to backward field and forward fieldrespectively, are_____________

Test: Electrical Machines & Power Systems- 2 - Question 5

A 3φ, 3300 V, Y connected synchronous motor has an effective resistance and synchronous reactance of 2 Ω and 18.0 Ω per phase respectively. IftheO.C. generated emf is 2195 V per phase, the maximumpower developed by motor is______________

Test: Electrical Machines & Power Systems- 2 - Question 6

A line has conductance, inductance, resistance and capacitance as G, L, R & C respectively. Its characteristic impedance is ______________

Test: Electrical Machines & Power Systems- 2 - Question 7

in practice generators are____________

grounded and motors are ______________

grounded

Test: Electrical Machines & Power Systems- 2 - Question 8

A power system consists of 9 buses with 3 machines. Jacobian matrix dimension is

Test: Electrical Machines & Power Systems- 2 - Question 9

For stable operation of power system,synchronous coefficient should be__________

Test: Electrical Machines & Power Systems- 2 - Question 10

A transmission line is connected to a generator, has 0.6 p.u, impedance of 200 MVA & 11 kV base & that of generator is 0.2 p.u. on 100 MVA & 22 kV base. The total p.u. impedance on 500 MVA, 33 kVbase is___________

Test: Electrical Machines & Power Systems- 2 - Question 11

In a 1φ transmission system, the distance between two conductors is 1m and the diameter of each conductor is 4 cm. The net inductance of each conductor is

Test: Electrical Machines & Power Systems- 2 - Question 12

A transmission line has impedance as 200 Ω is terminated with a cable which has impedance as 40 Ω. The coefficient of refraction of current and that of voltagerespectively___________

Test: Electrical Machines & Power Systems- 2 - Question 13

An alternator has positive, negative and zero sequence impedances as j0.25, j0.25 and j0.5 respectively, is grounded with an impedance of j0.2. For a LLG fault on phase ‘b’ and ’c* the positive sequence current ofthe network is____________

Test: Electrical Machines & Power Systems- 2 - Question 14

The Y bus & voltages of a power system given is below. The reactive power of bus 2 is _______________

Test: Electrical Machines & Power Systems- 2 - Question 15

On a generator O.C. and S.C tests were conducted and the results are given in below:

O.C. test                         lf =     2.0A

S.C test                           I, =    0.5A

If the rating of generator is 100 MVA, its S.C. MVA is____________

Test: Electrical Machines & Power Systems- 2 - Question 16

A motor receiving 50% of the power that is capable of receiving from an infinite bus. If the load on the motor is increased to 75% of its rating, the maximum value of rotorangle during rotor swinging is_____________

Test: Electrical Machines & Power Systems- 2 - Question 17

An alternator and synchronous motor each rated for 50 MVA, 13.2 kV having subtransient reactance of 20% are connected through a transmission link of 10% on the base of machine ratings. The motor acting as a load of 35 MW at 0.9 p.f. lag and the terminal voltage is 12.5 kV.

Q.

 If a 3 phase fault takes place at motor terminals, the subtransient fault current is

Test: Electrical Machines & Power Systems- 2 - Question 18

An alternator and synchronous motor each rated for 50 MVA, 13.2 kV having subtransient reactance of 20% are connected through a transmission link of 10% on the base of machine ratings. The motor acting as a load of 35 MW at 0.9 p.f. lag and the terminal voltage is 12.5 kV.

Q.

In the above problem the subtransientcurrent of motor is____________

Test: Electrical Machines & Power Systems- 2 - Question 19

Match List-I (Hydro turbine) with List-ll (Operating speed) and select the correct answer

Test: Electrical Machines & Power Systems- 2 - Question 20

A 3φ transposed transmission line has self impedance of j20 Ω and mutual impedance of j8 Ω. Its zero sequence impedance and positive sequence impedance respectively, are___________

23 docs|263 tests
Information about Test: Electrical Machines & Power Systems- 2 Page
In this test you can find the Exam questions for Test: Electrical Machines & Power Systems- 2 solved & explained in the simplest way possible. Besides giving Questions and answers for Test: Electrical Machines & Power Systems- 2, EduRev gives you an ample number of Online tests for practice
Download as PDF
Download the FREE EduRev App
Track your progress, build streaks, highlight & save important lessons and more!