Where possible, circular magnetisation is preferable to longitudinal magnetization because:

Related MCQs

• According to ASTM E709-95, with wet continuous magnetization technique, the duration of magnetization current is of the order of:
• In longitudinal magnetisation the proper term for calculating magnetising force is:
• A common rule of thumb to use for current required in circular magnetisation:
• A common rule of thumb to use for current required in circular magnetisation:
• Continuous magnetization provides the most sensitivity because:
• When a longitudinal wave is incident upon an inclined interface and is refracted at ninety degrees, the angle of the incident longitudinal wave is called:
• A minimum of external poles are produced by what type of magnetisation?
• Which form of magnetisation is easiest to control in most parts?
• What type of magnetization uses the formula: I = 45000/(L/D)N where I is the current in Amperes, N the number of turns of the magnetizing coil, L the length of the cylindrical test piece and D its diameter.
• According to AST M E709-95 and API, after removing magnetization of parts after examination, the residual magnetism shall not exceed (1 gauss = 0.0001 tesla):