The entry permit serves: O A. To verify that entry is performed correctly.
OB. As a pre-entry safety checklist.
C. To document entry into confined spaces.
D. All of these

Afluid flows with a velocity field given by v=(x/t)i.. determine the local and convective accelerations when x=3 and t=1.

Thermal stresses are developed in a metal when its a) initial temperature is changed b) final temperature is changed c) density is changed d) thermal deformation is prevented e) expansion is prevented f) contraction is prevented

Inspection for bearing condition will include: (clo4) a)-color b)-smell c)-size d)-none of the above