Safety Knowledge Multiple Choice Questions [One Question per Day 20090306]

1. What is the minimum height, in meters, above the ground for both exposed and recessed sockets in workshops? A. 0.3 meters B. 0.2 meters C. 0.1 meter 2. Which type of fire extinguisher should not be used to put out fires involving electrical equipment? (C) A. Carbon tetrachloride fire extinguisher B. Carbon dioxide fire extinguisher C. Foam fire extinguisher 3. Until it is confirmed that an electrical device is de-energized, how should it be considered? (C) A. De-energized B. Possibly still energized C. Energized 4. According to relevant safety regulations, what kind of protective measures should be in place for the enclosures of electrical devices? (B) A. None B. Protective grounding or bonding C. Rust-proof paint 5. During processes such as soldering electronic circuit boards and trimming leads, what should be done? (A) A. Wear protective glasses. B. Wear ear protection. C. Wear a safety helmet. 6. When workers are performing electrical work, if they see the following sign, it indicates (answer after seeing the sign). A. Be safe. B. Be careful of the cables. C. Be careful not to get injured by the motor　　

I can’t understand the moderator’s question! 3, 5, 6 aren’t quite complete, right?

1 A 2 C 3 C 4 B 5 A

1..A 2..C 3..C 4..B 5..A

1. What is the minimum height of surface and recessed sockets in workshops above the ground level? A. 0.3 meters B. 0.2 meters C. 0.1 meters 2. Which type of fire extinguisher should not be used to put out fires involving electrical equipment? ( ) A. Carbon tetrachloride fire extinguisher B. Carbon dioxide fire extinguisher C. Foam fire extinguisher 3. Until it is confirmed that an electrical device is de-energized, how should it be considered? A. De-energized B. Possibly still energized C. Energized 4. According to relevant safety regulations, what protective measures should be in place for the enclosures of electrical equipment? ( ) A. None B. Protective grounding or bonding C. Anti-rust paint 5. During processes such as soldering electronic circuit boards and trimming leads,?nbsp;( ). A. Wear protective glasses. B. Wear ear protection. C. Wear a safety helmet. Last edited by laoyier on 2009-3-6 09:55.]

My answers: 1) B, 2) C, 3) C, 4) B, 5) A. :)

1. What is the minimum height, in meters, above the ground that surface and recessed sockets in workshops should generally be at? (A) 2. Which type of fire extinguisher should not be used to put out fires involving electrical equipment? (C) 3. Until it is confirmed that an electrical device is de-energized, how should it be treated? (C) 4. According to relevant safety regulations, what protective measures should be in place for the enclosures of electrical devices? (B) 5. During processes such as soldering electronic circuit boards or trimming leads, what should be done? (A)

1. What is the minimum height, in meters, above the ground for both exposed and recessed sockets in workshops? A. 0.3 meters B. 0.2 meters C. 0.1 meter 2. Which type of fire extinguisher should not be used to put out fires involving electrical equipment? (C) A. Carbon tetrachloride fire extinguisher B. Carbon dioxide fire extinguisher C. Foam fire extinguisher 3. Until it is confirmed that an electrical device is de-energized, how should it be considered? (C) A. De-energized B. Possibly still energized C. Energized 4. According to relevant safety regulations, what kind of protective measures should be in place for the enclosures of electrical devices? (B) A. None B. Protective grounding or bonding C. Anti-rust paint 5. During processes such as soldering electronic circuit boards and trimming leads, what should be done? (A) A. Wear protective glasses B. Wear ear protection C. Wear a safety helmet

1.A 2.C 3.C 4.B 5.A

1. What is the minimum height, in meters, above the ground for both exposed and recessed sockets in workshops? A. 0.3 meters B. 0.2 meters C. 0.1 meter 2. Which type of fire extinguisher should not be used to put out fires involving electrical equipment? (C) A. Carbon tetrachloride fire extinguisher B. Carbon dioxide fire extinguisher C. Foam fire extinguisher 3. Until it is confirmed that an electrical device is de-energized, how should it be considered? (C) A. De-energized B. Possibly still energized C. Energized 4. According to relevant safety regulations, what kind of protective measures should be in place for the enclosures of electrical devices? (B) A. None B. Protective grounding or bonding C. Anti-rust paint 5. During processes such as soldering electronic circuit boards and trimming leads, what should be done? (A) A. Wear protective glasses B. Wear ear protection C. Wear a safety helmet

My answers: 1) A, 2) C, 3) C, 4) B, 5) A.

1 A;2 C;3 C;4 B ;5 A

1. What is the minimum height, in meters, above the ground for both exposed and recessed sockets in workshops? A. 0.3 meters B. 0.2 meters C. 0.1 meter 2. Which type of fire extinguisher should not be used to put out fires involving electrical equipment? (C) A. Carbon tetrachloride fire extinguisher B. Carbon dioxide fire extinguisher C. Foam fire extinguisher 3. Until it is confirmed that an electrical device is de-energized, how should it be considered? (C) A. De-energized B. Possibly still energized C. Energized 4. According to relevant safety regulations, what kind of protective measures should be in place for the enclosures of electrical equipment? (B) A. None B. Protective bonding or grounding C. Rust-proof paint 5. During processes such as soldering electronic circuit boards or trimming leads, what should be done? (A) A. Wear protective glasses B. Wear ear protection C. Wear a safety helmet

My answer is accba. The fifth question wasn’t completed fully, but it didn’t affect my response

Answer: 1.A 2.C 3.C 4.B 5.A