Mechanical Energy Convertors Question Preview (ID: 14487)
10.1 Principles Of Technology.
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An alternator converts the mechanical energy of a rotating armature into what other form of energy?
a) mechanical
b) fluid
c) electrical
d) thermal
An inertia welder converts the mechanical rotational energy of a work piece into what kind of energy at the weld point?
a) mechanical
b) fluid
c) electrical
d) thermal
A fan converts the rotational mechanical energy of a fan shaft or blade into what other kind of energy
a) mechanical
b) fluid
c) electrical
d) thermal
Pumps are mechanical energy convertors that change input mechanical energy into what other form of energy?
a) mechanical
b) fluid
c) electrical
d) thermal
A pulley is which of the following?
a) mechanical energy convertor
b) fluid energy convertor
c) electrical energy convertor
d) force transformer
For energy convertor efficiency to be calculated correctly, energy output units must be in the same units as what?
a) work
b) power
c) energy input
d) convertor
The percent efficiency of an energy convertor equals what divided by what?
a) energy input by energy output
b) energy output by energy input
c) work by power
d) power by work
1 btu equals how many foot pounds?
a) 1055
b) 778
c) .0013
d) 746
1 horsepower equals how many watts?
a) 1055
b) 746
c) 550
d) .0013
1 kg equals how many newtons?
a) 1055
b) 9.8
c) ,102
d) 550
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