M

Mr. Dubey • 100.64K Points
Coach

Q. Applying the theory of the ‘Right Hand Rule’, a longitudinal surface defect in a round bar is detected by ‘current passing in a direction parallel to the direction of expected defects’ because:

  • (A) The current direction is in line with the defect
  • (B) The magnetic field is at right angles to the defect
  • (C) It makes no difference
  • (D) The magnetic field is parallel to the defect
Share

No solution found for this question.
Add Solution and get +2 points.

You must be Logged in to update hint/solution

Discusssion

Login to discuss.

Related MCQs

Q. Which of the following are problems with the current rapid prototyping and additive manufacturing technologies?

Q. What is the amount of sea coal needed in cast irons for large green casting moulding sands?

Q. Drift in a cooling tower is

Q. The deflection of a helical spring is

Q. Which method is used in large modern thermal power plants to heat feed water?

Q. A governor is said to be stable, if the

Q. The expression, y(1 - x)/x(1 - y) is for

Q. For I.M. running with 1440rpm with slip of 4% the synchronous speed of rotating magnetic field

Q. Which of the following turbidimeter gives direct readings in ppm

Q. The input to a 3-ph induction motor is 50KW. The stator losses amount to 800W. The mechanical power developed (slip = 3%)

Question analytics