Power boosters can leak internally or externally.
select one:
o true
0
false
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Awall of 0.5m thickness is to be constructed from a material which has average thermal conductivity of 1.4 w/mk. the wall is to be insulated with a material having an average thermal conductivity of 0.35 w/mk so that heat loss per square meter shall not exceed 1450 w. assume inner wall surface temperature of 1200°c and outer surface temperature of the insulation to be 15°c. calculate the thickness of insulation required.

The sum of the normal stresses does not change as the stress state rotates through an angle. a)-trune b)- false

In general, how do thermosetting plastics compare to thermoplastics in mechanical and physical properties?