Design Electrical Machines Output Equation Online Exam Quiz
Design Electrical Machines Output Equation GK Quiz. Question and Answers related to Design Electrical Machines Output Equation. MCQ (Multiple Choice Questions with answers about Design Electrical Machines Output Equation
What is the range of the average flux density used in the output equation?
Options
A : 0.30-0.55 weber per m2
B : 0.30-0.50 weber per m2
C : 0.35-0.45 weber per m2
D : 0.35-0.55 weber per m2
What is the efficiency for the output watt of 180?
Options
A : 0.38
B : 0.48
C : 0.57
D : 0.65
What is the power factor of output watt of 90?
Options
A : 0.46
B : 0.51
C : 0.56
D : 0.62
What is the ratio of power factor of the 75 watt to 750 watt motor?
Options
A : 0.55 : 0.60
B : 0.50 : 0.60
C : 0.55 : 0.65
D : 0.50 : 0.65
What is the ratio of the efficiency for 75 watt to 750 watt motor?
Options
A : 4:7
B : 5:7
C : 6:7
D : 3:7
What is the formula of the kVA input if the rating of the machine is given in horse power?
Options
A : kVA input = horse power / 0.746 * efficiency * power factor
B : kVA input = horse power * 0.746 * efficiency * power factor
C : kVA input = horse power * 0.746 / efficiency * power factor
D : kVA input = horse power * 0.746 * efficiency / power factor
What is the formula of the output equation of ac machines?
Options
A : kVA input Q = output coefficient * diameter2 * length * synchronous speed
B : kVA input Q = output coefficient / diameter2 * length * synchronous speed
C : kVA input Q = output coefficient * diameter2 / length * synchronous speed
D : kVA input Q = output coefficient * diameter2 * length / synchronous speed
What is the formula for the output coefficient of the output equation?
Options
A : output coefficient = 11 * winding space factor * specific magnetic loading / specific electric loading * 10-3
B : output coefficient = 11 * winding space factor * specific magnetic loading * specific electric loading * 10-3
C : output coefficient = 11 * winding space factor / specific magnetic loading * specific electric loading * 10-3
D : output coefficient = 11 / winding space factor * specific magnetic loading * specific electric loading * 10-3
What factor does the output coefficient depend upon?
Options
A : specific magnetic loading
B : specific electric loading
C : specific electric loading or specific magnetic loading
D : specific electric loading and specific magnetic loading
The smaller values are applicable for lower rating machines.
Options
A : true
B : false
C :
D :
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