1
GATE EE 2016 Set 1
MCQ (Single Correct Answer)
+1
-0.3
In a constant V/f induction motor drive, the slip at the maximum torque
A
is directly proportional to the synchronous speed
B
remains constant with respect to the synchronous speed
C
has an inverse relation with the synchronous speed
D
has no relation with the synchronous speed
2
GATE EE 2015 Set 2
Numerical
+1
-0
The figure shows the per-phase equivalent circuit of a two-pole three-phase induction motor operating at 50 Hz. The 'air-gap' voltage, Vg across the magnetizing inductance, is 210Vrms, and the slip, s, is 0.05. The torque (in Nm) produced by the motor is ________. GATE EE 2015 Set 2 Electrical Machines - Induction Machines Question 53 English
Your input ____
3
GATE EE 2014 Set 3
MCQ (Single Correct Answer)
+1
-0.3
A single phase induction motor is provided with capacitor and centrifugal switch in series with auxiliary winding. The switch is expected to operate at a speed of 0.7 Ns, but due to malfunctioning the switch fails to operate. The torque-speed characteristic of the motor is represented by
A
GATE EE 2014 Set 3 Electrical Machines - Induction Machines Question 55 English Option 1
B
GATE EE 2014 Set 3 Electrical Machines - Induction Machines Question 55 English Option 2
C
GATE EE 2014 Set 3 Electrical Machines - Induction Machines Question 55 English Option 3
D
GATE EE 2014 Set 3 Electrical Machines - Induction Machines Question 55 English Option 4
4
GATE EE 2014 Set 3
MCQ (Single Correct Answer)
+1
-0.3
The torque-speed characteristics of motor ($$T_M$$) and load ($$T_L$$) for two cases are shown in the figures (a) and (b). The load torque is equal to motor torque at points P, Q, R and S GATE EE 2014 Set 3 Electrical Machines - Induction Machines Question 54 EnglishThe stable operating points are
A
P and R
B
P and S
C
Q and R
D
Q and S
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