Anatomy Of An Elevator

Question 1

Oil buffers are required below

Answer 1

Both the car and the counterweight for rated speed over 200ft/min

Question 2

The final limit switch

Answer 2

Only operates if other controls fail

Question 3

The purpose of the governor is to

Answer 3

Cause the power to be removed and the safety to set when overspeed occurs

Question 4

The purpose of the compensating rope is to

Answer 4

Compensate for the change in balance due to the weight of the suspension ropes

Question 5

The brake on the driving machine

Answer 5

Is released, electric power is removed and applied by spring force

Question 6

The selector serves to

Answer 6

Provide signal to the controller on car position

Question 7

The purpose of the traveling cables is to

Answer 7

Provide power and signal to the elevator car

Question 8

The governor rope tension sheave

Answer 8

None of the above. (Is not required. Is located in the machine room. Is part of the counterweight frame.)

Question 9

The modern hydraulic elevator receives hydraulic pressure from

Answer 9

An electric motor-driven pump

Question 10

A roped-hydraulic elevator is

Answer 10

Required to have a car safety

Question 11

The driving machine of a hydraulic elevator is considered to be

Answer 11

The motor, pump and tank. The control valve. (Both A and B)

Question 12

The door operator for hydraulic passenger elevators is located

Answer 12

On the car top

Question 13

The rated speed of modern hydraulic elevators is

Answer 13

Usually less than 200ft/min

Question 14

A direct plunger hydraulic elevator has the plunger connected

Answer 14

To the car

Question 15

The purpose of the motor generator is to

Answer 15

Provide DC power from AC power

Question 16

If a traction elevator has a sheave on top of the car and counterweight, it is said to be roped

Answer 16

2:1

Question 17

A roped-hydraulic elevator has a maximum ratio of

Answer 17

1:2

Question 18

A type “A” safety

Answer 18

None of the above (Is the best there is. Is required for all hydraulic elevators. Is used only in hydraulic elevators)

Question 19

Standing inside the elevator, if the door jamb is on the right, it is considered

Answer 19

Right hand application

Question 20

According to the accessibility standard A117.1, a door must reverse and re-open if

Answer 20

A person or object comes within its path

Question 21

If the closing speed of a horizontally sliding door system is increased

Answer 21

The kinetic energy will increase

Question 22

The maximum allowable clearance between swinging hoist-way doors and car gates is

Answer 22

4 inches

Question 23

A retractable safety edge (shoe) on a horizontal sliding door

Answer 23

Requires contact to cause the door to stop and reopen

Question 24

Freight elevators usually have

Answer 24

Vertically sliding hoistway entrance doors and vertically sliding car gates

Question 25

Retiring cams are usually

Answer 25

Must lift before the elevator can move away from the landing