A Vor Question
THE VOR USES WHICH OF THE FOLLOWING WAVELENGTHS
1DECIMETRIC..2CENTMETRIC..3HECTOMETRIC..4METRIC
IN THE PROPAGATION OF MF WAVES FADING OCCOURS PARTICULARY ..1BY DAY DUE TO THE COMBINATION OF SKY AND GROUND WAVES..2AT NIGHT WHEN IT IS RAINING..3DAYTIME WHEN IT IS RAINING..4AT NIGHT DUE TO THE COMBINATION OF SKY AND GROUND WAVES
WHEN A PERSISTANT OVER EXITATION FAULT IS DETECTED IN A A/C GENERATOR THE PROTECTION DEVICE OPENS THE..1GENERATOR BREAKER AND BUS TIE BREAKER..2BUS TIE BREAKER..3EXITER BREAKER AND GENERATOR BREAKER..4EXITER BREAKER.GENERATOR BREAKER.BUS TIE BREAKER