浙江大学国际联合学院（海宁国际校区）

Special Equipment Safety Back

Single-choice question

Question 1

Special operators can only take up their posts after () qualified operation permit.

A:Professional and technical training examination

B:Culture test

C:Fitness test

Correct answer：

A

Question 2

How should you deal wtih having a visible bulge in the body of a cylinder?

A:Repair processing

B:Scrap processing

C:Retrofit use

Correct answer：

B

Question 3

() is the use of gas combustion flame as a heat source welding method.

A:Gas welding

B:Gas cutting

C:Electric welding

Correct answer：

A

Question 4

Storage of acetylene bottles should be kept away from direct sunlight at no less than what distance?

A:5 m

B:10 m

C:15 m

Correct answer：

C

Question 5

The three main safety accessories of boiler are safety valve, pressure gauge and

A:Electric meter

B:Thermometer

C:Water gauge

Correct answer：

C

Question 6

Which of the following is incorrect during cylinder transportation?

A:In a cylinder, when placed horizontally, the head is pointed to one side

B:The car is equipped with fire-fighting equipment

C:Load different gas cylinders in the same car and try to load as many as possible

Correct answer：

C

Question 7

Which of the following safety measures should be taken when someone else is present?

A:Place warning signs to show caution

B:Place warning signs and screens around the workplace

C:Glasses are required for those present

Correct answer：

B

Question 8

When handling cylinders, one should

A:Put on the cap and take off lightly

B:Just move

C:No specific safety regulations

Correct answer：

A

Question 9

Which of the following fuels is not allowed to burn in a boiler furnace?

A:Coal

B:Gasoline

C:Oil residue

Correct answer：

B

Question 10

What is the main cause of boiler explosion?

A:Using the boiler 24 hours a day

B:Improper long-term treatment of furnace water

C:Excessive slag

Correct answer：

B

Question 11

Where should the operator stand when opening the cylinder valve?

A:Side

B:Front

C:Back

Correct answer：

A

Question 12

Which of the following is incorrect when filling cylinders?

A:Check the cylinder for residual pressure

B:Mix two gases in one cylinder

C:Pay attention to the paint color of the cylinder and the words

Correct answer：

B

Question 13

What does the red line on the dial indicate?

A:Minimum working pressure

B:Maximum working pressure

C:Intermediate working pressure

Correct answer：

B

Question 14

When handling liquefied gas bottles, which of the following protective appliances should be worn?

A:Mask

B:Respirator

C:Eye mask

Correct answer：

A

Question 15

What should you look out for when working long hours in a boiler room?

A:High noise

B:High temperature heat stroke

C:Diet

Correct answer：

B

Question 16

When the crane is near the terminal, you should

A:Power off in a timely manner, try not to use stroke limiter

B:Wait for stroke limiter action

C:Speed up crane operation

Correct answer：

A

Question 17

Which of the following is incorrect for using the elevator?

A:Operate according to the safety warning sign

B:Children under 7 years old can use the elevator independently

C:Without the permission of the administrative personnel, it is not allowed to use the manned elevator to carry goods

Correct answer：

B

Question 18

How much voltage should the dc welder not exceed before welding?

A:220

B:200

C:110

Correct answer：

C

Question 19

() is the use of combustible gas and oxygen mixed combustion produced by the flame partition material thermal cutting.

A:Gas welding

B:Electric welding

C:Gas cutting

Correct answer：

C

Question 20

The working pressure of the pressure vessel is the pressure of the vessel () during normal process operation

A:Top

B:Bottom

C:Internal

Correct answer：

A

Question 21

How often is the protective piece replaced in the welding operation in order to protect the operator safety?

A:4 hours

B:8 hours

C:24 hours

Correct answer：

B

Question 22

It is better to choose which safety valve for high pressure vessels, large vessels and medium and low pressure vessels with large discharge capacity?

A:Pilot operated safety valve

B:Full lift safety valve

C:Low lift safety valve

Correct answer：

B

Question 23

Pressure vessels requiring absolute stability of operating pressure should use which safety valve?

A:Pilot operated safety valve

B:Full lift safety valve

C:Low lift safety valve

Correct answer：

C

Question 24

Safety valve must be installed

A:Vertically

B:Horizontally

C:Easy to operate

Correct answer：

A

Question 25

The pressure gauge on the pressure vessel shall be inspected at least every once per ( )

A:Half a year

B:One year

C:Two years

Correct answer：

A

Question 26

The three-way plug valve installed on the nozzles of the pressure gauge and pressure vessel shall be located in the () pipeline

A:Horizontal

B:Vertical

C:Random

Correct answer：

B

Question 27

The welding place should not

A:Lack of first responders

B:More suitable fire extinguisher

C:Store flammable objects

Correct answer：

C

Question 28

Spot welding gun should be used with ( )

A:Ignition gun

B:Match

C:Lighter

Correct answer：

A

True or False question

Question 1

What engineering calls pressure is actually intensity of pressure.

A:TRUE

B:FALSE

Correct answer：

A

Question 2

The pressure gauge indicates absolute pressure.

A:TRUE

B:FALSE

Correct answer：

B

Question 3

The pressure gauge indicates the relative pressure.

A:TRUE

B:FALSE

Correct answer：

A

Question 4

The medium contained in the pressure vessel is a mixture of vapor and liquid.

A:TRUE

B:FALSE

Correct answer：

B

Question 5

High pressure vessels are of three types.

A:TRUE

B:FALSE

Correct answer：

A

Question 6

External pressure vessels are generally safer than internal pressure vessels.

A:TRUE

B:FALSE

Correct answer：

A

Question 7

The stress produced by the pressure in the vessel is one of the most dangerous stresses affecting the safety of the vessel.

A:TRUE

B:FALSE

Correct answer：

A

Question 8

The nominal pressure of the relief valve shall match the working pressure of the vessel.

A:TRUE

B:FALSE

Correct answer：

A

Question 9

Relief valve leaks can be eliminated by loading.

A:TRUE

B:FALSE

Correct answer：

B

Question 10

The larger the range, the better.

A:TRUE

B:FALSE

Correct answer：

B

Question 11

The calibrated pressure gauge shall indicate the date of calibration on the certificate.

A:TRUE

B:FALSE

Correct answer：

B

Question 12

Periodically clean the compressed air tank to prevent oil and air from forming explosive gases.

A:TRUE

B:FALSE

Correct answer：

A

Question 13

Gas cylinders should be placed on insulating materials such as rubber, plastic, or wood before use.

A:TRUE

B:FALSE

Correct answer：

B

Question 14

When entering the boiler, the manhole on the drum and the hand hole on the header should be opened for ventilation.

A:TRUE

B:FALSE

Correct answer：

A

Question 15

Wear synthetic clothing for the filling and use of gas cylinders.

A:TRUE

B:FALSE

Correct answer：

B

Question 16

When the water in the acetylene generator or tempering preventer freezes, it should be melted by flame baking.

A:TRUE

B:FALSE

Correct answer：

B

Question 17

Open flame can be used for internal maintenance of pressure vessels.

A:TRUE

B:FALSE

Correct answer：

B

Question 18

When opening the cylinder valve, the operator should stand on the front of the cylinder.

A:TRUE

B:FALSE

Correct answer：

B

Question 19

Someone must be on duty when using autoclave, oven and other autoclave heating equipment.

A:TRUE

B:FALSE

Correct answer：

A

Question 20

The door of the oven can be opened when it is heated.

A:TRUE

B:FALSE

Correct answer：

B