Q.55 In a hollow tube, if the velocity of air is constant everywhere inside the tube then the divergence of the velocity field is ___________.Ans 1. Negative2. Infinite3. Zero4. UnityCorrect Ans Provided: 3

Q.59 With the help of _____________ the surface integral can be converted into a volume integral.Ans 1. Coulomb’s law2. Divergence theorem3. Maxwell’s theorem4. Gauss’s lawCorrect Ans Provided: 2

Q.57 Two quadrant type B chopper operates in:Ans 1.2.3.4.Correct Ans Provided: 3

Q.58 In the cathode ray tube, distance of ________ is minimum from the phosphor screen.Ans 1. Cathode2. Grid3. Y-plates4. X- PlatesCorrect Ans Provided: 4

Q.37Ans 1. 1002. 903. 504. 10Correct Ans Provided: 1

Q.34 Which of the following characteristic is not desirable in measuring instrument?Ans 1. Repeatability2. Linearity3. Accuracy4. DriftCorrect Ans Provided: 4

Q.36 A properly shunted centre zero galvanometer is connected in the rotor circuit of a 6-pole, 50 Hz wound rotor induction motor. If the galvanometer makes 90 complete oscillations in one minute, calculate the rotor speed.Ans 1. 1000 ...

Q.33 With reference to wave windings used for DC generator, state whether the following statements are TRUE or FALSE.1. Wave winding is used for high current, low voltage machines2. The efficiency of wave winding is higher as compared ...

Q.41 Exponential signal is an example of ________________ signal.Ans 1. Random and periodic2. Deterministic and non-periodic3. Random and non-periodic4. Deterministic and periodicCorrect Ans Provided: 2

Q.35 In which of the following commutation technique, the triggering of one SCR commutates the already conducting SCR and vice versa?Ans 1. Class E commutation2. Class D commutation3. Class C commutation4. Class A commutationCorrect Ans Provided: 3