29-10-2012, 04:49 PM
Sample Test Paper – I Mechanical Engineering Group
Q 1: Attempt any TWO : (2 x 2 = 4)
a) Define Cycle of an A.C. quantity..
b) State the relationship between line & phase value of voltages in star connected
system.
c) Draw the nature of A.C. Waveform & Label it.
Q 2 : Attempt any TWO : (4 x 2 = 8)
a) Draw the delta connected system, Indicate line & phase voltages. Write power
equation.
b) Explain the principle of operation of moving Iron Ammeter.
c) State the different types of D.C. Motors.
Q 3 : Solve any TWO : (4 x 2 = 8)
a) If voltage v = Vm Sin wt is applied across pure resistance circuit R, what will
be the current ?
b) State four quantities which can be measured with the help of digital multimeter.
c) Draw the speed. Torque characteristics of D.C. Shunt motor & series motor.