2. Technician A says that a common type of spontaneous combustion
occurs when rags or papers that are soaked in solvents end up in a garbage
can. Technician B says you must clearly mark smoking and nonsmoking
areas with easily recognizable symbols. Who is correct?

A. Both Technicians A and B
B. Technician A only
C. Technician B only
D. Neither Technician A nor B

Line joining liquid phase with liquid and solid phase mixture is known as: a) liquidus b) solidus c) tie line d) none of the mentioned

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.

The filament of an incandescent lamp has a temperature of 2000k. calculate the fraction of radiation emitted in the visible light band if the filament is approximated as blackbody