63. Female employees during pregnancy and lactation shall not be arranged to engage in the work in item (c).

A high-temperature operation b machining operation c operations harmful to oneself, fetus and baby.

64. The employing unit shall not arrange (c) to engage in operations that are exposed to occupational hazards.

A unmarried female worker b female worker c underage worker

65, dust homework to wear (b).

A cotton gauze mask b filter dust mask c gas mask

66, patients with (a) shall not be engaged in dust operations.

A active pulmonary tuberculosis b chronic cholecystitis c fatty liver

67, the factors affecting the onset of silicosis does not include (c).

A, free silica content b, dust concentration c, personal hobbies

68, 13 Among the legal types of pneumoconiosis in China, (c) is the most serious one.

A cotton and linen dust disease b grain dust disease c silicosis

69, the early main symptoms of pneumoconiosis is (b).

Fever, stuffy nose, sore limbs, cough and expectoration.

B Cough and expectoration, chest tightness, chest pain, dyspnea, etc.

Subcostal pain, anorexia, hepatomegaly, etc.

70. The main impact of dust on human health (b).

A digestive system b respiratory system c nervous system

7 1, dust mainly invades the human body through (a).

A, respiratory system b, digestive system c, skin

72, silica dust refers to the free silica content is greater than (c) of the dust.

A 5% B 8% C 10%

73, asbestos dust harm to human body is mainly (C) organs.

A, stomach b, skin c, lungs

74, coal dust can cause that kind of occupational disease (C)

A silicosis b asbestos lung c coal worker's pneumoconiosis

75. Before entering the confined space, the employer shall arrange at least one guardian to keep monitoring outside the confined space.

A 1 B 2 C 3

76. (b) must be used when working in the anoxic confined space.

A non-slip shoes b air respirator c gas mask

77. Occupational acute ammonia poisoning is a systemic disease with respiratory system damage caused by inhaling high concentration ammonia in a short time in occupational activities, and severe cases are often accompanied by (a) acute respiratory distress syndrome.

A eye and skin burns b coma c limb pain

78, the diagnosis of acute toluene poisoning classification is divided into different degrees of consciousness disorder. Any case (a) is classified as severe poisoning.

A coma b confusion c lethargy.

79. The occupational contraindications of formaldehyde are (A).

A systemic dermatoses and chronic ophthalmopathy b essential hypertension c rheumatoid arthritis

80, ray work, must wear (a).

A radiation goggles and protective clothing b insulating gloves c air respirator.

8 1, formaldehyde is a highly toxic substance, which was identified as (b) and teratogenic by the World Health Organization.

A pathogenic B carcinogenic C damage

82. Carbon monoxide poisoning is the product of incomplete combustion of carbon-containing substances inhaled through respiratory tract, which mainly damages human (C) system.

A breathing b digesting c nerve.

83. There are three ways for industrial poisons to enter the human body, namely (c).

A mouth, nose and ears b food, clothes and water c respiratory tract, skin and digestive tract

84. Hydrogen sulfide is a colorless gas with (a).

A, rotten egg smell b, pungent smell c, foul smell

85, acute benzene poisoning is mainly manifested in the anesthetic effect on the central nervous system, while chronic poisoning is mainly (C) damage.

A, respiratory system b, digestive system c, hematopoietic system

86, in chemical substances, people often say "triphenyl" refers to (C).

A, benzene, phenol, toluene b, toluene, aniline, phenol c, benzene, toluene, xylene.

87. Occupational diseases are completely preventable. The prevention of occupational diseases should follow the principle of (c) prevention.

Level 1 B, Level 2 C, Level 3

88. Noise deafness is an occupational disease caused by productive noise. Operators in the workplace are exposed to noise continuously for 8 hours every day, and the hygienic limit of noise level is (b) dB.

A 75 B 85 C 88

89, steady-state noise refers to the noise of sound level fluctuation (A).

A, less than 3dB(A)B, greater than 3dB(A) C, greater than 0 and 3dB(A)

90, arm vibration disease is (a) engaged in hand-held vibration tool operation caused by hand peripheral circulation and arm nerve dysfunction, and can cause bone changes in arm joints.

A long-term b short-term c continuous

9 1 and (c) are common occupational eye injuries of electric welding workers, which are mainly caused by arc irradiation and ultraviolet irradiation.

A cataract b pink eye c electro-optic ophthalmia

92. (3) There are no prescribed occupational diseases in China.

A AIDS b frostbite c hepatitis B.

93. Heatstroke is a general term for diseases such as rising body temperature, muscle spasm or syncope in high-temperature working environment. When the daily maximum temperature (b) is lower than 40℃, the employer shall not arrange outdoor work for workers for more than 6 hours, and the continuous working time shall not exceed the national regulations, and outdoor work shall not be arranged within 3 hours of the maximum temperature period.

A≥36℃ B≥37℃ C≥40℃

94, the following (a) belongs to the chemical hazard factors.

A, industrial poison B, vibration C, high temperature

95, dangerous chemicals after the accident, should be evacuated in the direction of (b).

A, downwind b, headwind c, downwind

96, different occupational hazards have different hazards to the human body, such as (a) can lead to pneumoconiosis.

A, dust b, poison c, noise

97, at present, the highest incidence of statutory occupational diseases in China is (a).

A, pneumoconiosis B, noise deafness C, benzene poisoning

98. In the Catalogue of Occupational Diseases, (c) is listed as an occupational disease caused by physical factors.

Forest encephalitis, altitude sickness, arm vibration

Heat stroke, melanosis, arm vibration disease

Heatstroke, frostbite, arm vibration disease

99, the following statement is correct (C).

A dust mask can also be used for antivirus, and b gas mask can also be used for dustproof.

C. When the particulate matter is volatile, such as paint mist generated by spray painting, the combined protection of dust and gas must be selected.

100, for the places where radioactive workplaces and radioactive elements are transported and stored, the employer must provide protective articles and alarm devices to ensure that workers exposed to radiation wear (b).

A, radiation accumulator B, personal dosimeter C, portable radiation detector

10 1. The oxygen concentration range that allows people to enter the closed cabin is (C).

A, 19, 5-5-21%b, 18, 5-23% C, 19, 5%-23% D and above 25%.

102. When personnel are allowed to enter the closed cabin, the concentration of combustible gas is required to be lower than the lower explosion limit (C).

a、0、5% B、 1% C、5% D、 10%

103, (b) It is allowed that the concentration of combustible gas is lower than the lower explosion limit when thermal work is carried out in a closed compartment.

a、0、5% B、 1% C、5% D、 10%

104. When people are allowed to enter the closed cabin, the maximum allowable concentration of carbon dioxide is (C).

a、50ppm B、500ppm C、5000ppm D、50000ppm

105. When people are allowed to enter the closed cabin, the maximum allowable concentration of carbon monoxide is (B).

a、5ppm B、50ppm C、500ppm D、5000ppm

106, the critical poisoning value of hydrogen sulfide gas is (c).

a、 1ppm B、5ppm C、 10ppm D、 15ppm

107, the company-level environmental and occupational health and safety education is specifically implemented by (b).

A planning department b, safety supervision department c, personnel department d, workshop and work area

108. The environmental and occupational health and safety education at the workshop level is implemented by (b).

A, workshop leader B, workshop safety officer C, workshop production supervisor D, workshop team leader

109. When employees leave their operating posts for more than one year due to work adjustment or illness, accident, maternity leave, business trip, work injury, etc., they must be given corresponding (d) environmental and occupational health and safety education.

A, 1 Grade B, Grade 2 C, Grade 3 D, Grade 2 and Grade 3

1 10. Generally, the personnel who visit or study in the factory must be in charge of (1).

Safety and environmental protection precautions education, and wear the prescribed labor protection articles into the construction site.

Reception Department B, Safety Supervision Department C, Administration Department D and Office

1 1 1. The foreman of painting operation is responsible for arranging the painting workers to take turns to have a rest every hour.

Rest to prevent poisoning.

a、 1—2 B、2—3 C、3—4 D、4—5

1 12. Don't wear it when working in inflammable and explosive places (a).

A, nylon overalls b, cotton overalls c, antistatic clothes d, high-temperature shoes.

1 13, in order to prevent heatstroke, it is best to drink a small amount of water or drink (c) several times.

A, mineral water b, purified water c, light salt water d, red bull drink.

1 14, labor protection appliances for respiratory organ protection do not include (b)

A, filter gas mask B, gauze mask C, long tube mask D and canister (box)

1 15, in high temperature season, when working in a closed and narrow cabin, it is necessary to strengthen ventilation and take effective measures (a).

A, heatstroke prevention and cooling B, specialist care C, regular inspection D, emergency rescue

1 16. Construction personnel should wear (c) when the noise intensity in the working environment is relatively high or under particularly high noise conditions.

A, safety helmet b, safety belt c, earplug d and insulating gloves

1 17, increasing the distance from the radiation source and reducing the radiation dose of the staff is called (a).

A, distance protection b, time protection c, shielding protection d, isolation protection

1 18. Under the principle of not affecting the quality of work, minimizing the exposure time of personnel is called (b).

A, distance protection b, time protection c, shielding protection d, isolation protection

19, the following internal protection that does not belong to radiation protection measures is (b).

A, sealing and isolation B, distance protection C, decontamination and cleaning D, personal protection

120, there are toxic substances in the production environment, and the construction personnel should wear (d).

A, safety helmet b, safety belt c, earplug d and gas mask

12 1. Every year before the summer comes, all enterprises should conduct a comprehensive inspection of their (a) equipment.

Repair to ensure its integrity.

A, heatstroke prevention and cooling B, lifting C, electrical D, office

122, the continuous operation time of oil cleaning operation shall not exceed (b) hours, and the operators shall arrive at their posts in time.

Ventilation outside the cabin and replacement of carbon particles in the carbon tank.

a、3 B、2 C、 1.5 D、 1

123, which can be drunk before entering the oil tank and oil tank (D) to prevent poisoning.

A, boiled water b, tea c, huoxiang Zhengqi water d, fresh milk.

124, wearing an activated carbon filter mask for repair operation shall not exceed (b), if you smell solvent.

When the smell is unpleasant, you should leave the work site immediately and replace the activated carbon.

A, 30 minutes b, 45 minutes c, 1 hour d, 2 hours.

125. When gas shielded welding is carried out in the bilge, exhaust measures should be taken, and the exhaust pipe should be arranged near the welding machine as far as possible and far away from the bilge (a).

A,100mm-500mm b, 200mm-500mm c, 300mm-500mm d,100mm-300mm.

126, CO2 gas shielded welding in the cabin or space with narrow space below the welding plane, (a) personnel enter the construction.

A, prohibition b, permission c, guardianship d, restriction

127, personnel should wear (b) when operating grinder, shovel rust, high-speed or splash cutting operations.

A, protective cover b, protective glasses c, gloves d, masks

128, when using gamma ray flaw detection, the warning zone should be set with the gamma source as the center and (c) meters as the radius.

a、 10 B、20 C、30 D、40

129. Regarding the wearing of personal labor protection articles, the following statement is wrong (b).

A scaffolder, scaffolding operations, must wear a whole body double hook seat belt.

B, painting operations are carried out in the engine room, and the painter must wear a gas mask.

C, welder welding operations, welding mask must be used to prevent arc damage.

D, sand washing workers, must wear air helmet protection.

130, the main cause of fire death is (b).

A, burn B, toxic gas suffocation C, high temperature baking D, being trampled.