a production fixture for machining cylinder heads uses pins to locate the head for prcise machining. the head is manually instlled on and removed from the pins. the type of fit used between the pin on the fixture and the cylinder head locating the holes should be?

The y form of iron is known as: a) ferrite b) cementite c) perlite d) austenite

Ajournal bearing has a journal diameter of 3.250 in with a unilateral tolerance of 20.003 in. the bushing bore has a diameter of 3.256 in and a unilateral tolerance of 0.004 in. the bushing is 2.8 in long and supports a 700-lbf load. the journal speed is 900 rev/min. find the minimum oil film thickness and the maximum film pressure for both sae 20 and sae 20w-30 lubricants, for the tightest assembly if the operating film temperature is 160°f. a computer code is appropriate for solving this problem.

Journeyman training is usually related (clo2) a)-to specific tasks b)-to cost analysis of maintenance task c)-to control process to ensure quality d)-to installation of machinery