Lost your password? Please enter your email address. You will receive a link and will create a new password via email.
Please briefly explain why you feel this question should be reported.
Please briefly explain why you feel this answer should be reported.
Please briefly explain why you feel this user should be reported.
What type is the stator windings of the single phase induction motor?
c Explanation: The stator windings are also known as the running winding or the main winding. The type of stator winding used is concentric type
c
See lessExplanation: The stator windings are also known as the running winding or the main
winding. The type of stator winding used is concentric type
What is the range of the average flux density used in the output equation?
d Explanation: The minimum value of the average flux density is 0.35 weber per m2 . The maximum value of the average flux density is 0.55 weber per m2 .
d
See lessExplanation: The minimum value of the average flux density is 0.35 weber per m2
. The
maximum value of the average flux density is 0.55 weber per m2
.
What factor does the output coefficient depend upon?
b Explanation: The output coefficient depends upon the specific electric loading. The output coefficient also depends upon the specific magnetic loading
b
See lessExplanation: The output coefficient depends upon the specific electric loading. The
output coefficient also depends upon the specific magnetic loading
What is the power factor of output watt of 90?
b Explanation: The power factor of output watt of 37 is 0.46 and the power factor for 180 output watt is 0.56. The power factor of the output watt of 90 is 0.51.
b
See lessExplanation: The power factor of output watt of 37 is 0.46 and the power factor for 180
output watt is 0.56. The power factor of the output watt of 90 is 0.51.
What is the efficiency for the output watt of 180?
c Explanation: The efficiency of the output watt of 37 is 0.38 and the efficiency of output watt of 90 is 0.48. The efficiency of the output watt of 180 is 0.57
c
See lessExplanation: The efficiency of the output watt of 37 is 0.38 and the efficiency of output
watt of 90 is 0.48. The efficiency of the output watt of 180 is 0.57
What is the ratio of power factor of the 75 watt to 750 watt motor?
c Explanation: The power factor of the 75 watt motor is 0.55. The power factor of 750 watt motor is 0.60.
c
See lessExplanation: The power factor of the 75 watt motor is 0.55. The power factor of 750 watt
motor is 0.60.
What is the ratio of the efficiency for 75 watt to 750 watt motor?
b Explanation: The efficiency of the 75 watt motor is 50%. The efficiency of the 750 watt motor is 70%
b
See lessExplanation: The efficiency of the 75 watt motor is 50%. The efficiency of the 750 watt
motor is 70%
What is the formula of the kVA input if the rating of the machine is given in horse power?
c Explanation: The horse power rating of the machine along with the efficiency and power factor is calculated. On substitution the kVA input can be obtained
c
See lessExplanation: The horse power rating of the machine along with the efficiency and power
factor is calculated. On substitution the kVA input can be obtained
What is the formula for the output coefficient of the output equation?
b Explanation: The winding space factor, specific magnetic loading, specific electric loading is calculated. On substitution gives the output coefficient used for the calculation of output equation
b
See lessExplanation: The winding space factor, specific magnetic loading, specific electric
loading is calculated. On substitution gives the output coefficient used for the calculation
of output equation
What is the formula of the output equation of ac machines?
a Explanation: The output coefficient, diameter, length and synchronous speed are first calculated. Then on substitution gives the kVA input and in turn gives the output equation
a
See lessExplanation: The output coefficient, diameter, length and synchronous speed are first
calculated. Then on substitution gives the kVA input and in turn gives the output
equation