Go To Top Reset
1412015 Related Question Answers
26. Condition for maximum efficiency in a transformer is :
Ro1/VICOSØ = W1/V1 COSØ R01/X01=W1/X02 R02/VICOSØ=W1/V1I1 COSØ R01/V1COSØ=W1/V1I21 COSØ1
Disscuss This Question & Answer Add Tags Report Error Show Marks
27. When the frequency is doubled, what are the change in eddy current and hysteresis loss :
Hysteresis loss doubled, Eddy current loss doubled Hysteresis loss doubled, Eddy current loss quadrappled No change in hysteresis and Eddy current loss Hysteresis remaining same Eddy current loss reduced to half
Disscuss This Question & Answer Add Tags Report Error Show Marks
28. The most economical connection for small and high voltage transmission is
Star - Delta Delta - Star Star - Star Delta - Delta
Disscuss This Question & Answer Add Tags Report Error Show Marks
29. A 100 KVA Delta transformer order. How much load it can carry :
100 KVA 50 KVA 67.3 KVA 57.7 KVA
Disscuss This Question & Answer Add Tags Report Error Show Marks
30. The frequency of Rotor Current at the time of starting of an induction Motor is :
Supply frequency Slip frequency 1/Slip frequency None of these
Disscuss This Question & Answer Add Tags Report Error Show Marks
31. In two watt meter method of power measurement one Watt meter (W2) shows negative reading to get actual reading :
W1 + W2 W1-W2 W1 only W2 only
Disscuss This Question & Answer Add Tags Report Error Show Marks
32. The condition for maximum running torque for a 3 phase induction motor is :
R2 = SX2 R2 = X2 R2 = Xo2 X2 = Xo2
Disscuss This Question & Answer Add Tags Report Error Show Marks
33. In a vibrating reed type frequency meter the frequency of supply reads through vibration, the vibration of desired frequency depends upon :
Width of the reed Voltage Type of core Length of the reed
Disscuss This Question & Answer Add Tags Report Error Show Marks
34. The joint used in over head line where considerable tensile strength required is :
Brittania joint Straight married joint Straight running joint Brittania T joint
Disscuss This Question & Answer Add Tags Report Error Show Marks
35. In electricians solder the percentage of tin and lead is :
60% lead 40% tin 60% tin 40% lead 40% tin 60% copper 40% zinc 60% tin
Disscuss This Question & Answer Add Tags Report Error Show Marks
36. In an induction motor the phenomenon found that the motor having a tendency to rotate l/7th of its normal speed is called :
Cogging Phase locking Hunting Crowling
Disscuss This Question & Answer Add Tags Report Error Show Marks
37. In repulsion motor the direction of rotation changed by changing :
Brush position Field position Armature position By inter changing any winding connection
Disscuss This Question & Answer Add Tags Report Error Show Marks
38. As per IE rule the load in each power sub circuit not exceed :
2500 w 3000 w 8000 w 4000 w
Disscuss This Question & Answer Add Tags Report Error Show Marks
39. The socket outlet shall be provide in a bathroom at a height not less than
1.2 meter 1.5 meter 1.3 meter 2 meter
Disscuss This Question & Answer Add Tags Report Error Show Marks
40. The speed control obtained in domestic mixer grinderis :
Variable voltage control Tapped field control Flux control method Armature diverter method
Disscuss This Question & Answer Add Tags Report Error Show Marks
41. Plummet is a measuring tool used for :
Horizontal distance Vertical distance True horizontal position True vertical position
Disscuss This Question & Answer Add Tags Report Error Show Marks
44. V curve of a three phase synchronous motor is the relation between :
Voltage and current Speed and No of poles Voltage and No of poles Field current and armature current
Disscuss This Question & Answer Add Tags Report Error Show Marks
45. Pumped storage power plant belongs :
Base load power plant Peak load power plant Either peak load or base load power plant None of these
Disscuss This Question & Answer Add Tags Report Error Show Marks
47. In long and medium Tran's mission line the receiving end voltage is greater than sending end voltage this effect is called :
Ferranti effect Corona effect Strobe - scopic effect Skin effect
Disscuss This Question & Answer Add Tags Report Error Show Marks
48. The type of insulator used submarine cable is :
Rubber PVC Gutta-percha Impregnated paper
Disscuss This Question & Answer Add Tags Report Error Show Marks
Terms And Service:We do not guarantee the accuracy of available data ..We Provide Information On Public Data.. Please consult an expert before using this data for commercial or personal use
Powered By:Omega Web Solutions © 2002-2017 Omega Education PVT LTD...Privacy | Terms And Conditions