GETCO Exam Paper (22-07-2015) Who is the vice president of India? (As on 22/07/2015) Dr. Hamid Ansari O.P. Kohli Pranav Mukharjee Nazama heptulla Dr. Hamid Ansari O.P. Kohli Pranav Mukharjee Nazama heptulla ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Normally the angle of the transmission line is kept _____ because of _____ reasons 90, steady state stability 45, transient stability 90, transient stability 45, steady state stability 90, steady state stability 45, transient stability 90, transient stability 45, steady state stability ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The RMS value of the voltage u(t) = 3 + 4 cos(3t) is 3 + 2(1.41) 4.12 5 7 3 + 2(1.41) 4.12 5 7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP if voltage is given by,v(t) = V₀ + V₁ cos(3t) + V₂ cos(5t)+ …RMS value is given by,√( V₀² + (V₁/√2)² + (V₂/√2)² + …)
GETCO Exam Paper (22-07-2015) In sub stations for making and breaking of load current load interrupter switches are used isolators are used circuit breakers are used relays are used load interrupter switches are used isolators are used circuit breakers are used relays are used ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The Y bus matrix is a sparse matrix because … Y primitive is a sparse matrix lines are connected to less no. of buses bus incidence matrix is a sparse matrix no of lines are less Y primitive is a sparse matrix lines are connected to less no. of buses bus incidence matrix is a sparse matrix no of lines are less ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In rotating electrical machines, the insulation temperature limit for class B type is 105˚C 150˚C 130˚C 180˚C 105˚C 150˚C 130˚C 180˚C ANSWER EXPLANATION DOWNLOAD EXAMIANS APP insulation Class and temperature limit(in ˚C) is given below:Y - 90A- 105E- 120B-130F-155H-180C- above 180