A: I want to get a certificate in the wire and cable industry. What is the process and where to apply? Is there an adult class? It's better to pay for it.

There are several kinds of trade certificates, which one should be explained. If it is a grade certificate, this should take the vocational skill appraisal exam. Where does the actual operation ability of the certificate that can be obtained by paying money come from? If you want to do specific work, this shortcut may not work.

B. Examination questions for the second-level communication network administrator of the national vocational skill appraisal examination for the communication industry

Job Type: Local Telephone Operator Grade: Intermediate Identification Method: Theoretical Volume: A

A, fill in the blanks (* * 10, 65438+ each empty 0 points, ***20 points)

1, a certain power level is positive, indicating that the power at this time is _ _ _ _ _ _ reference power.

2. The cable from the front hole of the local office to the underground cable joint is called _ _ _ _ _ _ _ _.

3, the use of first-class and second-class two switch boxes, respectively, to supply power to two parts of users in a switching area is called _ _ _ _ _ _ _.

4. In order to improve the measurement accuracy, the internal resistance of ammeter should be _ _ _ _ _.

5. When 5.QJ45 bridge is externally connected with power supply, the maximum voltage of external forging shall not exceed _ _ _ _ volts. When the voltage exceeds 22.5 volts, each volt should be connected in series with a _ _ _ _ ohm protection resistor.

6, 1 megohm is equal to _ _ _ _ _ ohm.

7. The line from the cable distribution equipment to the user's telephone is called _ _ _ _ _ _ _ _ _ _ _.

8. When the buzzer is used to test the bad wire pair of the new pay-off, if one end makes a sound and the other end can't hear the sound when testing the complete core wire, it may be a _ _ _ _ _ _ _ _ _ _ obstacle or a _ _ _ _ _ _ _ _ obstacle.

9. The characteristic impedance of all-plastic local telephone ZC = _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

10. According to the nature and distribution of pipelines, they can be divided into _ _ _ _ _ _ _ _ pipelines and _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _.

1 1, the crosstalk of communication lines can be divided into _ _ _ _ _ _ _ crosstalk and _ _ _ _ _ _ _ crosstalk.

12. There are _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _.

13. The magnitude of the induced electromotive force is not only related to the _ _ _ _ _ of the magnetic flux, but also to the _ _ _ _ _ _ of the coil.

Second, single choice (* * 10 questions, 2 points for each question, ***20 points, please fill in the letters of the correct answer on the horizontal line)

1, when you get an electric shock on the rescue overhead line, you should first _ _ _ _ _ _ _.

A, notify the power department to cut off the power supply B, short-circuit the power cord to the ground C, and guide the person who gets an electric shock to pull it down with a dry rope.

2. On the same circuit, when the voltage increases, the current will be _ _ _ _ _.

A, increase B, decrease C, maintain D, and increase or decrease uniformity.

3. When the buzzer tries to check the line number, the tester should be used to test the check number _ _ _ _ _ _ _.

A, a connecting line b connected in parallel with the test line and a connecting line connected in series with the test line.

C. grounding wire and test wire.

4, in the electric field and magnetic field, the following method is correct _ _ _ _ _ _ _.

A, power lines have a head and a tail, and magnetic lines have a head and a tail. B, power lines have a head and a tail, and magnetic lines have a head and a tail.

C, the power cord and magnetic field lines have a head and a tail D, and the power cord and magnetic field lines have no head and no tail.

5. When there are open wires and cables on the same pole, the distance from the messenger splint to the nail penetration of the last thread should not be less than _ _ _ _ _ cm.

A, 35 B, 40 C, 45

6, overhead cable in the light load area should be reserved for every _ _ _ _ _ pole.

a、2 - 4 B、3 - 5C、4 - 6

7. The classification code GY of optical cable type indicates _ _ _ _ _ _ _.

A, communication room (field) optical cable B, special optical cable C, submarine optical cable

8, copper core foam plastic/solid polyolefin insulation, petroleum paste filled with plastic-coated aluminum tape, adhesive shielding polyethylene sheath telephone communication cable model is _ _ _ _ _ _ _.

a、HYAT B、HYPAT C、HYFAT

9. Metal is a good conductor, because there are a lot of _ _ _ _ _ _ _ _ _ _ _ _ inside the metal.

A, electron b, free electron c, positive and negative ions d, atom

10, the two charged bodies of Party A and Party B repel each other when they approach, so _ _ _ _ _ _ _ _.

A, two objects must have a positive charge b, two objects must have a negative charge c, two objects must have the same charge d, and two objects must have different charges.

1/4

Third, the true and false judgment (* *10 questions, 2 points for each question, ***20 points)

1. When measuring the gas shielding of single-core cable to ground with QJ45 bridge, connect the good wire to X2 terminal and the bad wire to X 1 terminal. ( )

2. Generally, cables should pass above the power line (380V, 220V). ( )

3. When rescuing people who get an electric shock on overhead lines, three-phase short-circuit grounding method must be adopted. ( )

4. The filled plastic local telephone cable does not need inflatable maintenance. ( )

5. When measuring resistance with a multimeter, the greater the deflection, the smaller the resistance. ( )

6, such as electric shock breathing, pulse stop, still want to rescue by artificial respiration. ( )

7. Multiplex wiring is suitable for developing unbalanced or unstable switching areas, so it has high flexibility. ( )

8. Brace hoop is used to install brace on cement pole without reserved hole, and cannot be used to hang cable stranded wire. ( )

9. All-plastic local telephone cables are not allowed to be wired between trunk cables and branch equipment. ( )

10. The ground gas fault of cable core refers to the collision between core and metal shielding layer. ( )

Four, multiple-choice questions (2 points for each question, * *10, each question has two or more answers, fill in the serial number of the correct answer on the horizontal line)

1. There are two kinds of armored layers of all-plastic communication cables, namely _ _ _ _ _ _.

A, aluminum belt armor B, steel belt armor C, steel wire armor

2. When measuring voltage, current and resistance with a multimeter, the following statement is _ _ _ _ _ _ _ _.

A, when measuring voltage, the red stylus is connected to the end with high circuit potential B, when measuring current, it is connected to the end with high circuit potential C, and when measuring resistance, it is connected to the end with high circuit potential.

3. The following statement about single division multiplexing is true _ _ _ _ _ _ _.

A, the capacity of each branch equipment in the distribution area is equal. B the number of multiple lines in the distribution area is the same.

C. What engineers can apply for in the wire and cable industry?

There are wire and cable engineers in the wire and cable industry who can apply.

The most important title of technical wire and cable industry is engineering series engineer. The first-class engineers in the wire and cable industry belong to electrical engineers, and there are quality engineers engaged in quality management.

There are also system engineers engaged in system certification, accounting engaged in finance and so on. Specialized enterprises also have standardized engineers. For operators, you can apply for skill level appraisal organized by the mechanical department, including primary, intermediate and advanced.

(3) Extended reading for professional skill appraisal of cable specialty:

Work contents of cable engineer:

1. Preparation, review and implementation of wire and cable production process documents;

2. Strictly manage the on-site production process of wires and cables, so that the production site is always under control;

3. Solve the quality and technical problems of wire and cable field production;

4. Collect and sort out the feedback information of wire and cable use, continuously improve the production process of wire and cable, and improve customer satisfaction;

5. Provide technical guidance on wires and cables to employees of this department.