DGVCL Exam Paper (12-06-2016) The transformer works on the principle of: All of these Mutual induction None of these Mutual capacitance All of these Mutual induction None of these Mutual capacitance ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Transformer is static device.two or more stationary electrical circuit mutually linked by magnetic circuit.assumptions of ideal transformer:1. there are no losses.2. whole magnetic flux constant no leakage.3. permeability of core is infinite.
DGVCL Exam Paper (12-06-2016) The relay operating speed depends upon Armature core air gap The spring tension The rate of flux built up All of these Armature core air gap The spring tension The rate of flux built up All of these ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) As per Electricity Act, _____ means a process which simultaneously produces two or more forms of useful energy (including electricity). Cogeneration None of these Power generation Captive Power Plant Cogeneration None of these Power generation Captive Power Plant ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The friction losses in Real Transformers are : 0.25 0.5 0 0.05 0.25 0.5 0 0.05 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP As there is no rotating part in transformer, there is no friction and windage loss
DGVCL Exam Paper (12-06-2016) The main advantage of AC over DC is: Conversion flexibility from one voltage level to other AC is easy to maintain & can be easily distributed at long distances AC can be easily converted into DC by using a rectifier All of these Conversion flexibility from one voltage level to other AC is easy to maintain & can be easily distributed at long distances AC can be easily converted into DC by using a rectifier All of these ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) You should choose Sleep option when The computer is tired after working for the whole day. You are leaving for a very short time and want to resume your work shortly. When computer gets hanged frequently. Let it sleep for some time. You finish working and are going to bed. The computer is tired after working for the whole day. You are leaving for a very short time and want to resume your work shortly. When computer gets hanged frequently. Let it sleep for some time. You finish working and are going to bed. ANSWER DOWNLOAD EXAMIANS APP
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