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 Safety Interview Questions 9 contains questions about ABRASIVE WHEEL, LIFTING OPERATION, What is Rigging & Slinging, Compress Gas Cylinders, dead man switch and what is the use of it , Hazardous Waste, Non-Hazardous Waste, Reduction Minimization, defensive driving,

81. What are the general precautions to be taken before and during using an ABRASIVE WHEEL? 
82. What are the safety PRECAUTIONS to be taken while performing LIFTING OPERATION?
83. What are the Potential HAZARDS while performing LIFTING OPERATION?
84. What is Rigging & Slinging?
85. Explain about Compress Gas Cylinders? 
86. What is dead man switch and what is the use of it? 
87.  What is Hazardous Waste?  What is Non-Hazardous Waste?
88. What is Reduction Minimization? 
89. What is defensive driving? 
90. Enlist main responsibilities of PERMIT APPLICANT, PERMIT ISSUER, WORK SITE SUPERVISOR. Permit Work site Supervisor Responsibilities.

81. What are the general precautions to be taken before and during using an ABRASIVE WHEEL? 

Precautions - Abrasive Wheel:

 Ensure the spindle speed doesn‟t exceed the maximum speed marked on the wheel.

 Ensure fit the wheel on the spindle freely.

 Tighten the spindle nut enough to hold the wheel in place without distorting the flange.

 Do not stand in front of the rotated wheel.

 Provide protective guard for a moving abrasive wheel and maintain proper alignment with the wheel.

 For any bench mounted abrasive wheel, the wheel rest should be adjusted as close as practicable to the abrasive wheel, which shall be firmly secured.

 Before mounting inspect closely for damage, perform sound-test or ring-test to ensure free from cracks/defects.

 Don‟t adjust wheel while it‟s rotating and disconnect tools when changing the wheel.

 Don‟t use expired abrasive wheel and removed damage/crack wheel and tag it “do not use”.

 Must be used eye and face protective device (goggles, face shield etc.).

 Wear the suitable respiratory protection also in case abrasive wheel generates dust.

 A sign shall be posted near all fixed abrasive wheel.

What is safety precaution to be taken prior to start & during the WORK AT HEIGHT & why it is required?

 The work is properly planned, organized. Appropriately supervised and carried out ensuring safety of workers and integrity of worksite.

 The worksite including its access as well exit is safe with necessary protection against fall from height.

 Similarly the workers to be deployed for work at height are trained and aware of potential hazards.

 PPE, appropriate fall arrest system such as Safety Harness, Safety Nets etc. shall be used to protect the person from fall.

 The personnel working at height must use appropriate & approved Full Body Safety Harness and attached to a secure anchorage.

 All the straps of safety harness shall be securely tightened to the body parts.

 The tools and equipment to be used at height must be kept properly securedto prevent its accidental fall or tripping hazard.

 The area in the vicinity of work at height should be barricaded and danger notice posted to alert the personnel.

 Man Basket: 

Workers should keep all body parts inside the man basket while it is being lifted or positioned. Workers must wear a personal fall arrest system, and Helmet with chin strap must be worn at all times. 

 Sloping Roofs: 

Employee worked in roofing activities on slope roofs with unprotected sides and edges 6 feet (1.8 meters) or more above shall be used appropriate Safety Harness, Safety Net and Guardrail or a combination of these.

82. What are the safety PRECAUTIONS to be taken while performing LIFTING OPERATION?

 The load is clear of any obstruction

 The load is securely slung (use tie ropes)

 The security of the load is to be reconfirmed once the load is raised a few inches.

 The crane is not used to drag the load or pull the slings beneath a few inches.

 No movement is allowed under the suspended load.

 Barricade the swing radius of the crane.

 Never sling different size of tubular together

 The crane hook is in central position over the load.

 All equipment must be inspected by third party and validity of inspection must be checked.

 Daily inspection sheet of cranes must be always available with crane operated.

 SWL of the crane and hook shall be marked and highlighted.

 Fire extinguisher of approved type & capacity.

 Crane hook secured prevent swinging action in transit .

 A calibrated SWL indicator &crane capacity chart prominently displayed in the cabin.

 All loose material is to be removed from the top of the load.

 Slings is protected from sharp edges by using suitable packing

 Hooks used on lifting equipment should be fitted with safety device to prevent the load or sling displacement for hook.

 Do not used wire rope slings if it is kinked, crushed, frayed or corroded.

 Slings must never shortened by tying knots in them or by wrapping round a crane hook.


83. What are the Potential HAZARDS while performing LIFTING OPERATION?

 Accidents hit or crush by hanging load.

 Falling objects

 Collapse of lifting equipment due to overload.

 Overturning of the crane.

 Failure of lifting gears such as wire ropes, hooks, shackle, eyebolts, chain etc.

84. What is Rigging & Slinging? 

Rigging and Slinging is a part of mechanical handling activity which involves lifting and shifting of heavy material through the safe use of equipment, machinery or devices such as crane, wire rope, hooks, shackles, chain pulleys etc.


85. Explain about Compress Gas Cylinders? 

Cylinders testing: 

Contractors may be required to provide proof that compresses gas cylinders have been tested in excess of their normal maximum pressure when filled. 

Cylinder connections: 

Compresses gas cylinders shell is equipped with connections complying with compresses gas cylinders valve outlet and inlet connections –ANSI B 57.1-1975, or an equivalent standard (copy available for examination at the technical library). 

Storage of cylinders- general:

The following requirement apply to the storage of Compresses gas cylinders; i.e. cylinders which do not have a gauge in place. Cylinders shall be shaded, if stored outside. 

Cylinders stored inside:

a) Well –protected, well-ventilated, dry location.

b) At least 6m (20ft) away from combustible


86. What is dead man switch and what is the use of it? 

Dead man switch is a control switch, which is connected with sand blasting nozzle (gun) to control the flow from sand blasting nozzle (gun) while sand blasting. 

In case the hose nozzle loss from the sand blaster hands automatically the system will cut off and the individual and the property will be safe.

 The nozzle shell is electrically grounded to prevent static electrical discharge or shocks to the operator.

 Air line spray guns: airline spray gun operates at very high pressures: 140.6 to 170Kg/Sq Cm (2,000 to 2,500 Psi). They are extremely hazardous, since the jet is strong enough to slice through human flesh. The control switch or lever may have a catch device to hold switch or lever in the ON position; however, it shell be so adjusted that if it is dropped from height of 61 Cm (2Ft.) to a soil surface the device will immediately disengage, there by shutting of the gun.

 The spray gun shall also be equipped with a safety catch that shall be activated when the gun is not in use.

87.  What is Hazardous Waste?  What is Non-Hazardous Waste?

 What is Hazardous Waste? 

Any waste (solid, sludge, slurry and liquid) which is either: combustible, explosive, inflammable, corrosive, reactive or toxic.

What is Non-Hazardous Waste? 

Unwanted materials / substances other than the hazardous. They could be in the form of a solid, sludge, slurry and liquid.

The exceptions are:-

 Materials sold for reuse/reprocessing

 Surplus/Expired materials that are returned to the manufacturer or supplier


88. What is Reduction Minimization? 

Process of reducing the quantity of waste produced through the review of operational practices, better inventory control and optimal use of raw materials.

a. Re-use :

The reuse of a material on more than one occasion

b. Recycling :

The reprocessing of waste into the same or a different product. Typical recyclable wastes include oils, glass, paper, plastics, etc.

c. Recovery :

The process of obtaining materials or energy values from collected waste for use or reuse.


89. What is defensive driving? 

Defensive driving is

A. Driving to prevent accidents, in spite of the incorrect actions or others or adverse weather conditions.

B. Anticipate driving hazards and know how to protect yourself from them.

C. Be alert while driving by keeping your mind free of distractions and your attention focused on driving. Alertness involves watching and recognizing accident – causing factors instantly.

D. The professional has foresight and ability to recognize the traffic situations as far ahead as possible.

E. The driver must anticipate traffic problems that are likely to develop and decide whether these developments could be dangerous.

F. As a defensive driver every one must operate their vehicle in a manner to avoid contributing to an accident or being involved in a preventable accident.

G. To be a good driver you should respect all traffic laws and be courteous to other.

90. Enlist 5 main responsibilities of PERMIT APPLICANT. Permit Applicant Responsibilities, Enlist 5 main responsibilities of PERMIT ISSUER. Permit Issuer Responsibilities, Enlist 5 main responsibilities of WORK SITE SUPERVISOR. Permit Work site Supervisor Responsibilities.

Enlist 5 main responsibilities of PERMIT APPLICANT. Permit Applicant Responsibilities

1. All the required information as stipulated in the permit must be entered before the permit is submitted for approval & authorization.

2. Any required preparatory work must be stipulated in the permit application.

3. All personnel under his responsibility must be advised of their responsibility under work permit system.

4. No job can begin until he is satisfied that the worksite supervisor understands his responsibilities under work permit system.

5. The safety gears and appliances required for the work must be available. 

Enlist 5 main responsibilities of PERMIT ISSUER. Permit Issuer Responsibilities:

1. All hazards associated with the proposed work have been identified.

2. Before any work begins the work site is safely prepared, examined and all specified precautions have been taken.

3. Work permit that may interact or effect on another are cross-referred clearly.

4. The work is examined to ensure that it is in safe & acceptable condition:

 When work is suspended.

 Before re-starting the work.

 When retiring to normal operation.

5. The shift change hand-over is properly followed and permit endorsement and transfer of responsibility have been completed.

Enlist 5 main responsibilities of WORK SITE SUPERVISOR. Permit Work site Supervisor Responsibilities:

1. He was detailed working knowledge of procedures related to his work activity.

2. He does not start any job requiring a work permit until it is authorized and issued.

3. He understands the limitations and restrictions of the work permit in order that the work party may proceed safely.

4. All members of the work party adhere to safe working practices and are fully conversant with the limitations, restrictions and hazards involved.

5. All precautions specified in the work permit are taken.

Thanks for reading - Safety Interview Questions 9
Naitik Patel
Industrial Guide

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