Design Electrical Machines Rating Machines Online Exam Quiz
Design Electrical Machines Rating Machines GK Quiz. Question and Answers related to Design Electrical Machines Rating Machines. MCQ (Multiple Choice Questions with answers about Design Electrical Machines Rating Machines
What happens if the power ratings of the machine are decided liberally?
Options
A : Damage occurs to the machine
B : Efficiency of the machine improves
C : Long life of the machine
D : Uneconomical usage of the machine
What is the ideal condition for thermal dissipation?
Options
A : Heat generated > Heat Dissipated
B : Heat generated < Heat Dissipated
C : Heat generated = Heat Dissipated
D : Heat generated = 0
Which are the important criteria related to the power ratings of the machine?
Options
A : Heat should be prevented from generation
B : Heat should be dissipated through power ventilation, irrespective of the time
C : Heat should be prevented through power ventilation within a short time period
D : Heat should be converted to some useful form
What is the main objective of power ratings of machines?
Options
A : helps in building a suitable thermal model of machines
B : helps in building a suitable physical model of machines
C : helps in classifying the machines into different types
D : helps to improve the machine efficiency
What is the concept of power rating of machines with respect to current?
Options
A : Maximum permissible amount of current that can easily flow
B : Minimum permissible amount of current that can easily flow
C : Maximum permissible amount of current that can stop the machine
D : Maximum permissible amount of current that can stop the machine
What is the concept of thermal loading?
Options
A : Output power is indirectly proportional to the temperature rise
B : Output power is indirectly proportional to the square of temperature rise
C : Output power is directly proportional to the temperature rise
D : Output power is directly proportional to the square of temperature rise
What happens if there is insufficient rating of the machine?
Options
A : The efficiency of the machine increases
B : The efficiency of the machine improves
C : Damage and shutdown occurs
D : Loading problems occur
What is the concept of power rating of machines with respect to voltage?
Options
A : the required supply voltage for smooth running of the machine
B : the required supply voltage for stopping the machine
C : the required supply voltage for speeding the machine
D : the required supply voltage for slowing up the machine
If the power ratings are crossed, machine breakdown occurs.
Options
A : True
B : False
C :
D :
Power ratings help in classifying machines to different classes of duties.
Options
A : true
B : false
C :
D :
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