by Sunday | Oct 1 | NABTEB QUESTIONS
i. Yoke is a frame in which the field coils are fixed to make magnetic field of flux for the production of e.m.f. in case of generator or to cause rotation in case of motor. ii. Pulley is used to drive a machine or for lifting/lowering heavy objects.
by Sunday | Oct 1 | NABTEB QUESTIONS
(i) Worn out brush ii. Wrong position of brush iii. Loose spring iv. Overloaded mechanical brush v. Worn out commutator
by Sunday | Oct 1 | NABTEB QUESTIONS
a. Remove the pulley coupling with extractor b. Disconnect the wires to the brush holder terminals, from the brushes and field coils and remove the brushes. c. Remove the bearing plate at the driving end and the nuts or screws securing the end shield/plate. d. Mark...
by Sunday | Oct 1 | NABTEB QUESTIONS
i. cracked balls in the bearing ii. lack of lubricant iii. Dirty lubricant iv. overload pulley or coupling
by Sunday | Oct 1 | NABTEB QUESTIONS
a. Mallet: used for shaping winding or coils wound and placed in the slots of machines. b. Workbench: is a study table on which the machine is placed for the winding jobs. c. Growler: is used to determine grounds shorts, open and reversed in windings. d. Knife: is...
by Sunday | Oct 1 | NABTEB QUESTIONS
Answer i. setting of winding machine a. Steady speed should be maintained to allow smooth and equal tension on the former for good construction of the coils. b. The winding machine should be placed on a flat surface for good operation. c. The use of correct former...
Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
Original price was: ₦1,000.00.₦300.00Current price is: ₦300.00.