1.Among the following tower equipment, there are () that belong to the classification by unit operation.
a.Pressurized towers
b.Desorption towers
c.Packed towers
d.Distillation column
e.Reaction tower.
2.The component system of the direct-drive wind turbine includes ().
a.Impeller assembly
b.Wind measurement system
c.Electronic control system
d.Gear shifting
e.Lightning protection.
3.The statement about the performance of the transformer is wrong ().
a.Swap a large current for a small one
b.Isolate the meter from the high voltage
c.Standardize measuring instruments
d.Electrical energy can be measured directly
4.Steam turbine generators belong to () equipment.
a.Hydroelectric power
b. Thermal power generation
c.Wind power
d.Nuclear power
5.Mining equipment includes prospecting equipment, mining equipment and mineral processing equipment, and the following are ().
a.Crushing equipment
b.Lifting equipment
c.Screening equipment
d.Grinding equipment
6. The key equipment of the float glass production line is ().
a.Melting furnace
b.Tin baths. c.Annealing kiln
d.Cutting and assembly system
7.The index reflecting the working intensity of the boiler is ().
a.Pressure, temperature.
b.Evaporation, thermal efficiency.
c.Evaporation, heating rate.
d. Evaporation rate of heating surface and heating rate of heating surface.
8.The main equipment that undertakes thermonuclear reactions is ().
a.Pressurized water reactor equipment
b.Nuclear island equipment
c. Conventional bird equipment
d.Heavy water reactor equipment
9.The following are the characteristics of synchronous motors ().
a.The rotational speed and the mains frequency are synchronized
b.The structure is simple and easy to manufacture
c.Poor start-up performance
d.Poor tuning performance
10.The "one kiln and three grinding" of cement equipment in building materials equipment refers to (().
a.Rotary kiln, material mill, coal mill, cement mill.
b.Brick kiln, raw meal mill, coal mill, cement mill.
c. Rotary kiln, raw meal mill, coal mill, cement mill
d.Brick kiln, clinker mill, coal mill, cement mill
11.The following glass "float.""Among the process equipment, the cold-end equipment is ().
a.Glass melting furnace
b.Tin bath cAnnealing kiln
d.Cutting and assembly system
12.Transformers are classified according to the cooling medium, which can be divided into ().
a.Pumping transformer
b dry-type transformer
c.Inflatable transformers
d.Self-cooling transformers
e.Evaporative cooling transformers.
13.The performance parameters of the transformer include ().
a.Operating frequency
b.Power factor
c.Starting current
d.Rated voltage
e voltage ratio. 14.Protective appliances include ().
a.Reactors
b.Resistor.
c.Fuses
d.Circuit breakers
e.Arrester.
15.The main parameters of the boiler include ().
a.Calorific value.
b.Temperature. c.Evaporation rate of the heating surface of the boiler
d.Evaporation.
e.Volume The answer is in the comment section.