DGVCL Exam Paper (11-12-2011) The mutual inductance between two unity coupled coils of 9 H and 4 H is 36 H 6 H 2.2 H 13 H 36 H 6 H 2.2 H 13 H ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) All the peripheral devices connected to a computer require power to work. Which of the following voltages is required for the motherboard to work? Negative cycle of sine wave AC Positive cycle of sine wave DC Negative cycle of sine wave AC Positive cycle of sine wave DC ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) A fuse wire should have Low specific resistance and low melting point High specific resistance and low melting point High specific resistance and high melting point Low specific resistance and high melting point Low specific resistance and low melting point High specific resistance and low melting point High specific resistance and high melting point Low specific resistance and high melting point ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) If a 5 A fuse is blown frequently in a house lighting circuit, it is required to Check the load Insert a fuse of higher current rating Reduce the load Insert a fuse of higher voltage rating Check the load Insert a fuse of higher current rating Reduce the load Insert a fuse of higher voltage rating ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) A 3 phase, 6 pole induction motor operates on 440 V, 50 Hz, supply. If the actual speed of the motor is 960 rpm the slip will be 6 % 0.4 % 5 % 4 % 6 % 0.4 % 5 % 4 % ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Ns = 120f/PSlip=(Ns-Nr)/NsNs = 1000 and Nr = 960 from equation of slip, S = (1000-960)/1000S = 0.04 or 4%
DGVCL Exam Paper (11-12-2011) What type of insulator is used if the direction of the transmission line is to be changed? Pin type Strain type Suspebsion type Shakle type Pin type Strain type Suspebsion type Shakle type ANSWER DOWNLOAD EXAMIANS APP
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