Kunshan Tongli Elevator Recruitment Mechanical Engineer Interview Topic

1. The elevator should run between rigid guide rails with inclination less than;

2. The main parameter of the elevator is the sum;

3. The model of 3.DC-driven passenger elevator is: the model of AC-driven sickbed elevator is:

4, the elevator working environment should not contain gas and dust;

5. The passenger elevator is divided into automatic doors with a width of 900mm, and the door opening and closing time should not be longer than.

Second, the judgment question

1, escalator is a kind of elevator. ( )

2. When the freight elevator is running, it can only carry goods, not people. ( )

3. Elevator running speed is the main factor affecting comfort. ( )

Third, multiple choice questions

1, the speed of AC two-speed elevator is not greater than, and the leveling accuracy should be within; The leveling accuracy of speed greater than 1m/s should be within.

A, 1 m/sec b,1.5m/sec c, 30mm d,15mm.

2. Voltage fluctuation is allowed when the elevator works.

a、7% B、 10% C、5%

3, the temperature of the computer room should be not lower than, not higher than.

a、0℃ B、35℃ C、40℃ D、5℃

4. The basic requirement of elevator work is convenience.

A, safe and reliable b, high speed c, comfortable.