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Module:     Show:
Module 7. Maintenance practices
When tapping blind holes
•  a set of three taps is used.
•  a set of two taps is used.
•  a single tap is used.

Jordi asking:
•  what does 3 taps mean?

Community comments: 0
Module 7. Maintenance practices
Springs are manufactured from
•  high carbon alloy steel with high strength requirements.
•  low carbon alloy steel with high strength requirements.
•  high carbon alloy steel with low strength requirements.

Jordi asking:
•  i think in module 6 it literally said that the correct answer was "high carbon alloy steel with low strength requirements" am i wrong?Or did i get confused?

Community comments: 0
Module 2. Physics
Which contains the least amount of heat energy?
•  Both 1 kg of ice at 0 degrees C and 1 kg of water at 0 degrees C have the same amount of heat energy.
•  1 kg of water at 0 degrees C.
•  1 kg of ice at 0 degrees C.

pickus asking:
•  Enthalpy (i.e. heat) of water = Enthalpy of ice + latent heat.

I think the answer should be that ice contain least amount of heat energy. Because ice will need to get additional heat energy to change the state/phase of the substance (ice to water).


Community comments: 0
Module 7. Maintenance practices
If the outer cover of a flexible hose is found to be cracked.
•  It is unserviceable since it may have a restricted flow.
•  It may still be serviceable.
•  It is unserviceable since it may leak.

Jordi asking:
•  shouldnt it be unservicable?

Community comments: 0
Module 7. Maintenance practices
A secondary earth is
•  not less than 0.5mm cross sectional area.
•  18 AWG.
•  22 AWG.

Jordi asking:
•  i dont understand

Community comments: 0
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