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        | Engineering  :: Materials Handling |  | 
	 
 
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                | 151. | Which railway sleeper provides the best rigidity? |  
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				| A. | Wooden | B. | Cast steel |  
				 				 | C. | Cast iron | D. | RCC |  
                        
                        
                            Answer: Option D Explanation:    |  
 
            
            
                | 152. | The number of sleepers per rail (n = length of rail in metres) |  
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				| A. | is n + 1 | B. | varies from n + 1 to n + 3 |  
				 				 | C. | varies from n + 3 to n + 6 | D. | varies from n + 9 to n + 12 |  
                        
                        
                            Answer: Option C Explanation:    |  
 
            
            
                | 153. | Which of the following key is not used in railway tracks? |  
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				| A. | Stuart key | B. | Morgan key |  
				 				 | C. | Cotter key | D. | Woodruff key |  
                        
                        
                            Answer: Option D Explanation:    |  
 
            
            
                | 154. | The maximum degree of curvature on metre gauge is |  
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                            Answer: Option D Explanation:    |  
 
            
            
                | 155. | The maximum degree of broad gauge line is |  
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                            Answer: Option B Explanation:    |  
 
            
            
                | 156. | The pressure of air in case of pneumatic tools is generally in the range |  
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				| A. | 4 to 6 kg/cm2 | B. | 14 to 16 kg/cm2 |  
				 				 | C. | 24 to 26 kg/cm2 | D. | 34 to 36 kg/cm2 |  
                        
                        
                            Answer: Option A Explanation:    |  
 
            
            
                | 157. | In case of pneumatic system, a receiver is |  
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				| A. | a device for cleaning air | B. | a device for cooling air |  
				 				 | C. | a divice for storing atmospheric air | D. | a device for storing compressed air |  
                        
                        
                            Answer: Option D Explanation:    |  
 
            
            
                | 158. | Which braking system is not used in case of earth moving machinery? |  
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				| A. | Pneumatic braking system | B. | Hydraulic braking system |  
				 				 | C. | Vacuum braking system | D. | Mechanical braking system |  
                        
                        
                            Answer: Option C Explanation:    |  
 
            
            
                | 159. | A 25 mm wire rope sling can safely take a load of |  
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				| A. | 4 to 5 tonnes | B. | 25 to 30 tonnes |  
				 				 | C. | 40 to 50 tonnes | D. | 90 to 100 tonnes |  
                        
                        
                            Answer: Option A Explanation:    |  
 
            
            
                | 160. | A jack having 2 cm as the diameter of the screw at the root of the thread, may be expected to safely lift a load of about |  
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				| A. | 5 to 7 tonnes | B. | 25 to 30 tonnes |  
				 				 | C. | 35 to 40 tonnes | D. | 40 to 50 tonnes |  
                        
                        
                            Answer: Option A Explanation:    |  
 
 
			
			
 
 
 
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