ELECTRICAL MACHINCES MCQS SET 01

ELECTRICAL MACHINCES MCQS SET 01

1. EMF Method is used for calculation of
A)Voltage Regulation    

B)Efficiency    

C)Losses 
D) None
ANSWER:A
 

2. Slip of Induction Motor at Starting
A)0          

B)1            

C)0.5        

D)0.3
ANSWER:B
 

3. Squirrel Cage Induction Motor is having
A)High Starting Torque       
B) Low Starting Torque
C) Both A&B            
D) None of these
ANSWER:B
 

4. Slipring Induction Motor is having
A)High Starting Torque      

B) Low Starting Torque
C) Both A&B              

D) None of these
ANSWER:A
 

5. RMF Means
A) Rotating Motive Force       
B) Rotating Magnetic Field
C) Rotating Mechanical force          
D) None
ANSWER:B
 

6. Synchronous Speed (Ns)
A) 120f/P             

B) 120P/f      
C) Both A&B             

D)None
ANSWER:A
 

7. Voltage Regulation is
A)E-V/V        

B) V-E/V         

C) E-V/E         

D)V-E/E
ANSWER:A
 

8. Slip of Induction motor
A)Ns-Nr/Ns            

B)Nr-Ns/Ns      
C) Ns-Nr/Nr          

D) None
ANSWER:A
 

9. Three Phase Slip ring Induction motor rotor is having
A) Three phase winding          
B) Single Phase winding
C) Two Phase winding            
D) None of these
ANSWER:A
 

10.Three Phase Squirrel cage Induction motor rotor is having
A) Three phase winding         
B) Single Phase winding
C) Two Phase winding      
D)Short Circuited Copper Bars
ANSWER:D