NATIONAL CERTIFICATE (VOCATIONAL) WORKSHOP PRACTICE NQF LEVEL 2 SUPPLEMENTARY EXAMINATION 2010 (12041012) 17 March (X-Paper) 09:00 12:00 This question paper consists of 6 pages.
(12041012) -2- NC2150(E)(M17)V TIME: 3 HOURS MARKS: 100 INSTRUCTIONS AND INFORMATION 1. 2. 3. 4. Answer ALL the questions. Read ALL the questions carefully. Number the answers according to the numbering system used in this question paper. Write neatly and legibly.
(12041012) -3- NC2150(E)(M17)V QUESTION 1: SAFETY AND REGULATIONS 1.1 1.1.1 1.1.2 Define housekeeping. Explain why housekeeping is so important and desirable in the workplace. 1.2 Study the sketch in FIGURE 1 and answer the questions that follow: FIGURE 1 1.2.1 1.2.2 1.2.3 Does the sketch represent an unsafe act or an unsafe condition? Give the reasons for your answer. Explain how this unsafe situation can be avoided. 1.3 State any FIVE objectives of the Mine, Health and Safety Act (MHSA) 29.
(12041012) -4- NC2150(E)(M17)V QUESTION 2: FIRST AID 2.1 As a firstaider you will always come into contact with sick people or casualties. This means running the risk of picking up infections that can be transmitted from one person to another. State THREE precautious which you would observe to minimise the risk of any infectious transmissions. (3) 2.2 A Safety, Health and Environment (SHE) consultant has to advise a client on first aid facilities in the workplace. Explain, using the number of employees as a reference, the first aid facilities which must be provided in the workplace. (3) 2.3 Choose a description/word from COLUMN B that matches a symptom in COLUMN A. Write only the letter (A F) next to the question (2.3.1 2.3.6) in the ANSWER BOOK. COLUMN A SYMPTOMS COLUMN B CAUSES 2.3.1 Pulse is weak or absent A fractures 2.3.2 Frightened or afraid B second degree burns 2.3.3 Blisters develop C electric shock 2.3.4 Blood escapes from the body through a surface wound D E internal bleeding external bleeding 2.3.5 Inability to use the injured limb or body part F shock 2.3.6 Blood escapes from tissues inside the body (6) 2.4 Filling in an accident report form is a legal requirement. The form is divided into different sections. State FOUR details that should be included in each of the following: 2.4.1 2.4.2 The casualty section The incident/accident section (4) (4)
(12041012) -5- NC2150(E)(M17)V QUESTION 3: TOOLS AND EQUIPMENT USE 3.1 Identify the different parts of the hacksaw in FIGURE 2 below. Write only the answer next to the letter (A G) in the ANSWER BOOK. C B A G F E D FIGURE 2 (7) 3.2 While cutting a power cable to a specific length for a task, the hacksaw blade broke. Explain how this blade can be replaced. (6) 3.3 State the function(s) of the following parts of a bench grinder: 3.3.1 3.3.2 3.3.3 3.3.4 3.3.5 Wheel safety cover Spark shield Motor Tool rest Identification plate QUESTION 4: WORKSITE PROCEDURES, LIFTING TECHNIQUES AND TRAINING REGULATIONS 4.1 4.2 List the FIVE different categories of signs. Name TWO types of shackles.
(12041012) -6- NC2150(E)(M17)V 4.3 Disregarding a company s rules and procedures can lead to disciplinary action taken against a worker. Give SIX examples of company rules and procedures that could lead to disciplinary action. (6) 4.4 4.5 A fire in an electrical panel was caused by a short circuit. Name the class of fire and the type of fire extinguisher that can be used to extinguish the fire. Monthly inspections of fire extinguishers are necessary to maintain the proper operation of fire extinguishers. State FIVE checks that should be carried out on ALL types of fire extinguishers during the monthly inspection. QUESTION 5: SOLDERING AND GAS WELDING 5.1 Indicate whether the following statements are TRUE or FALSE. Choose the answer and write only 'true' or 'false' next to the question number (5.1.1 5.1.5) in the ANSWER BOOK. Correct the statement if it is FALSE. 5.1.1 5.1.2 5.1.3 5.1.4 5.1.5 Solder will adhere to dirty surfaces. Temperature changes will affect the solder alloy. Cleaning solvents are highly flammable. Tinning is the process of lightly coating the materials to be soldered with solder. IC is the abbreviation for Internal Circuit. (8) 5.2 Explain what the difference is between the following: 5.2.1 5.2.2 A proper soldered joint and a cold soldered joint. Soft and hard solders in terms of composition. 5.3 Explain the term flashback arrestor. 5.4 You have to braze two metal plates to form the base plate for a centrifugal pump. Describe how you would complete the task safely and effectively. (6) TOTAL: 100