DGVCL Exam Paper (12-06-2016) A certain transformer has 200 turns in the primary winding, 50 turns in the secondary winding and 120 volts applied to the primary. What is the voltage across the secondary? 480 Volts 30 Volts 60 Volts 120 Volts 480 Volts 30 Volts 60 Volts 120 Volts ANSWER EXPLANATION DOWNLOAD EXAMIANS APP For transformer, V2/V1 = N2/N1V2/120 = 50/200V2 = 30 V
DGVCL Exam Paper (12-06-2016) The process of a computer receiving information from a server via Internet is known as: All of these Downloading Uploading Retrieving All of these Downloading Uploading Retrieving ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The kVA rating of Three-phase transformer with Voltage = 200 V and Current = 100 A will be : 34.64 kVA 20 kVA 75 kVA None of these 34.64 kVA 20 kVA 75 kVA None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP For three phase,VA = √3 V IFor single phase, kVA = V I
DGVCL Exam Paper (12-06-2016) _____ are used where it is necessary to control a circuit by a low power signal. Relays Electric Motor Transformer None of these Relays Electric Motor Transformer None of these ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The main advantage of AC over DC is: AC is easy to maintain & can be easily distributed at long distances AC can be easily converted into DC by using a rectifier Conversion flexibility from one voltage level to other All of these AC is easy to maintain & can be easily distributed at long distances AC can be easily converted into DC by using a rectifier Conversion flexibility from one voltage level to other All of these ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The Electricity Act is applicable in _____ All parts of India except state of Jammu and Kashmir In Gujarat only All the states of India All parts of India All parts of India except state of Jammu and Kashmir In Gujarat only All the states of India All parts of India ANSWER DOWNLOAD EXAMIANS APP
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