A crack is visible in a lens used in a sealed trailer tail light assembly but the light operation is not affected. Technician A says that the crack should be sealed with some silicone RTV to ensure no moisture enters. Technician B says that the cracked lens should be replaced. Who is correct?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A nor B
Answer: D
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The chief drawback in the use of ____ is the less-steady-arc characteristics and a considerable increase in weld spatter.
A. carbon dioxide B. argon C. oxygen D. helium
Graph the magnitude and phase of each function versus f.
The boom angle of a crane is measured from the _____.
a. end of the boom to the ground b. center of the load to the center of the boom c. top of the cab to the center of the boom base d. the horizontal plane to the center line of the boom base
A cyclic heat engine produces 10 kW of power while receiving 25 kW of heat as an input. Determine the heat rejection rate to the cool space, and the thermal efficiency of the heat engine.
Given: W?=10 kW; Q?H=25 kW Assume: The heat engine is operating as a cycle. What will be an ideal response?