Difference between MCB and Fuse with respect to (a) function (b)cost (c)operation (d)safety (e)secure operation ? (4marks)
Difference between statically induce emf and dynamically induced emf? (4marks)
State advantages 3 phase circuit over 1 phase circuit
Difference between star connection and delta connection? (4marks)
Difference between Resistance split phase IM and capacitor start I'm? (4marks)
Difference between RL series circuit and RC series circuit? (4marks)
Difference between statically induced emf and dynamically induced emf? (4marks)
Difference between Resistance split phase capacitor and standard induced motor? (4marks)
Important diagrame for the exam
Draw a neat diagram of capacitor star induction motor state any two application? (4marks)
Draw the waveform of voltage and current of a pure capacitive circuit? (4marks)
Draw a neat diagram of impedance triangle? (4marks)
Draw phaser diagram for both star and delta connection balanced load? (4marks)
Draw a neat diagram of pipe earthing? (8marks)
Draw waveform leading and lagging alternating quantity? (4marks)
Draw the connection diagram for the measurement of 1 phase power using the dynamometer
Draw impendence triangle Rl and Rc series circuit? (4marks)
Draw waveform three phase ac circuit? (4marks)
Draw waveform of 3 phase ac supply? (4marks)
Draw a neat diagram of a single phase autotransformer? (4marks)
Draw a neat diagram of the shaded pole motor? (4marks)
Draw a neat diagram of plate earthing
the important question for the exam
Define following term related to network (a)branch,(b)mesh or loop(c)node or junction? (4marks)
State ohm law? (4marks)
State and explain Kirchhoff's voltage law? (4marks) OR state KCL? OR what is sign convention used in Kirchhoff's law? OR state law applicable for nodel analysis?
state KVL? OR state law applicable for mesh analysis? (4mark)
state application of Kirchhoff's law? (4mark)
state and explain the series circuit and parallel circuit? (4mark)
Enlist formula for the star to delta conversion and delta to star conversion? (4mark)
State faradays law of electromagnetic induction? (4mark)
State Lenz law? (4mark)
State and explain types of induced emf?
Define the phaser diagram? (4mark)
Define phase, phase difference? (4mark)
Define (a)zero phase difference or in phase alternating quantity (b)out of phase voltage(c)leading phase difference or leading alternating quantity(d)lagging phase difference or lagging alternating quantity? (4mark)
with reference alternating quantity define the following term:- (1)waveform (2)instantaneous value (3)cycle (4)Time period (5)Frequency (6)amplitude (7)angular velocity (8)angular frequency(9)peak value and peak to peak value (10)RMS value,effective value,virtual value (11)angular value (12)form factor (13)peak factor ,crest factor or amplitude factor (14)active power (15)reactive power (16)apparent (17)inductive reactance(18)capacitive reactance (19)inductance(20)capacitance (21)impedance triangle(22)power triangle(23)reluctance(24)power factor? (4marks)
Safety precaution against the electrical system? (4marks)
Universal motor and application? (4marks)
Explain the construction of a single phase transformer? (4marks)
state the need for earthing in the electrical system? (4marks)
Define the electromotive force and its unit? (4marks
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