Q.57 The two-wattmeter method is applicable forAns 1. Both star connected, and delta connected system2. single phase circuit3. Only star connected system4. Only delta connected systemCorrect Ans Provided: 1

Q.78 Which wiring system is required for public building?Ans 1. 3 phase 5 wire2. 3 phase 4 wire3. 1 phase 2 wire4. 3 phase 3 wireCorrect Ans Provided: 2

Q.74 Base tariff for LT consumers includes—Ans 1. Both Option (A) and Option (B)2. Option (C): power factor charges3. Option (A): fixed charges4. Option (B): charges on energyCorrect Ans Provided: 1

Q.54 In Stepper motor controller using PLC, input pulses are generated by ____Ans 1. Driver circuit2. Ladder logic3. both Ladder logic and Driver circuit4. None of the optionsCorrect Ans Provided: 2

Q.98 Which Boolean law is described by the equation A• (B+C) = A•B+A•C?Ans 1. Commutative law.2. Distributive law.3. Associative law.4. Complement law.Correct Ans Provided: 2

Q.84 Nutating disc flow meters are extensively used for __Ans 1. Both Option (A) and Option (B)2. None of the options3. Option (A): Residential water service measurement4. Option (B): Industrial flow measurementsCorrect Ans Provided: 1

Q.56 Which instrument is used to monitor oxygen and carbon monoxide in flue gases.Ans 1. power analyzer2. fyrite3. pyrometer4. combustion analyzerCorrect Ans Provided: 2

Q.93 In two-transistor analogy, SCR is represented by ………………..Ans 1. Two MOSFETs2. Two NPN transistors3. Two PNP transistors4. PNP & NPN transistorsCorrect Ans Provided: 4

Q.90 Use of ELCB is advisable forAns 1. None of the options2. Protecting from short-circuit3. Ease to reset when trips4. Human safetyCorrect Ans Provided: 4

Q.85 The T2,T5,T8 and T12 fluorescent lamps are categorized based on —Ans 1. None of the options2. diameter of the tube3. length of the tube4. both diameter and length of the tubeCorrect Ans Provided: 2