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Which motor is preferred for use in mines where explosive gases exist?

LohaHridoy
  1. Air motor
  2. Induction motor
  3. Shunt motor
  4. Synchronous motor

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1 Answers

AhmedNazir

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Answer: Option 1

Let'

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One D.C. motor drives another D.C. motor. The second D.C. motor when excited and driven?

Answer: Option 1 Let'

1 Answers 5 views
A wound rotor induction motor is preferred, as compared to squirrel cage induction motor, when major consideration is?

Answer: Option 2 Let'

1 Answers 2 views
If no multivalued attributes exist and no partial dependencies exist in a relation, then the relation is in what normal form?

Answer: Option 2 Let'

1 Answers 1 views
Slip ring motor is preferred over squirrel cage induction motor where?

Answer: Option 1 Let'

1 Answers 2 views
For which of the following applications a D.C. motor is preferred over an A.C. motor?

Answer: Option 3 Let'

1 Answers 1 views
If a D.C. motor is to be selected for conveyors, which rioter would be preferred?

Answer: Option 1 Let'

1 Answers 1 views
By looking at which part of the motor, it can be easily confirmed that a particular motor is D.C. motor?

Answer: Option 3 Let'

1 Answers 3 views
If a D.C. motor is to be selected for conveyors, which motor would be preferred ?

Answer: Option 1 Let'

1 Answers 1 views
Continuous flue gas analyser makes use of paramagnetic properties of some of its constituents, which move towards the strongest part of the magnetic field thus displacing diamagnetic gases. Which of the following gases is diamagnetic?

Answer: Option 1 Let'

1 Answers 1 views
Thermal conductivity based continuous flue gas analyser makes use of varying thermal conductivity of the constituents of flue gases. Which of the following constituents of flue gases has the maximum thermal conductivity?

Answer: Option 1 Let'

1 Answers 1 views

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