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        | CSS  :: Agricultural Engineering |  | 
	 
 
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     For students in search of Hydroponic Gardening
 Guides - Basics to Experts level
 Growing fruit and vegetables hydroponically
 Practical daily questions or queries of hydroponics lovers
 Current Hydroponics and Indoor Gardening Market Growth as well as Trends
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                | 521. | A cylinder block is normally made of: |  
                | 
			 
				
					
				| A. | Aluminium | B. | Cast iron |  
				 				 | C. | High carbon steel | D. | Mild steel |  
                        
                        
                            Answer: Option B Explanation:    |  
 
            
            
                | 522. | A connecting rod of tractor is made of: |  
                | 
			 
				
					
				| A. | High carbon steel | B. | Cast iron |  
				 				 | C. | Mild steel | D. | Forged steel |  
                        
                        
                            Answer: Option D Explanation:    |  
 
            
            
                | 523. | The standard speed of a 21 spline PTO shaft is: |  
                | 
			 
				
					
				| A. | 540 | B. | 540 rpm |  
				 				 | C. | 1000 rpm | D. | 10000 rpm |  
                        
                        
                            Answer: Option C Explanation:    |  
 
            
            
                | 524. | The type of starting aid generally used in the diesel power tiller is called: |  
                | 
			 
				
					
				| A. | Decompression lever | B. | Hot plug |  
				 				 | C. | Cold plug | D. | Choke |  
                        
                        
                            Answer: Option A Explanation:    |  
 
            
            
                | 525. | Toe-in provide in tractor is approximately: |  
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				| A. | 7 - 10 mm | B. | 10 - 15 mm |  
				 				 | C. | 12 - 16 mm | D. | 15 - 20 mm |  
                        
                        
                            Answer: Option A Explanation:    |  
 
            
            
                | 526. | The first tractor company, which introduced air-cooled tractor: |  
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                            Answer: Option A Explanation:    |  
 
            
            
                | 527. | In Cl engine of tractor injection pressure is in range of: |  
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				| A. | 5-10 kg/cm2 | B. | 20-100 kg/cm2 |  
				 				 | C. | 120-200 kg/cm2 | D. | None of these |  
                        
                        
                            Answer: Option C Explanation:    |  
 
            
            
                | 528. | Traction coefficient is maximum in a field when: |  
                | 
			 
				
					
				| A. | It is dry | B. | It is cultivated |  
				 				 | C. | It is irrigated | D. | All are correct |  
                        
                        
                            Answer: Option A Explanation:    |  
 
            
            
                | 529. | Farm tractor is: |  
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				| A. | Prime mover | B. | Traction engine |  
				 				 | C. | Both (a) & (b) | D. | None of these |  
                        
                        
                            Answer: Option C Explanation:    |  
 
            
            
                | 530. | The first tractor demonstration was held at: |  
                | 
			 
				
					
				| A. | Nebraska | B. | Germany |  
				 				 | C. | Russia | D. | China |  
                        
                        
                            Answer: Option A Explanation:    |  
 
 
			
			
 
 
 
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