Lakshya Education MCQs

Question: It is necessary to maintain the valve clearances as they
Options:
A. Reduce the resistance to sliding that occurs between the cam and the tappet
B. Allow for lengthening of the valves owing to the heat of combustion
C. Increase the speed at which the valves move up and down
D. Make the crankshaft turn smoothly
Answer: Option B
Explanation :

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More Questions on This Topic :

Question 1. The material generally used for cylinder sleeves is
  1.     Aluminium
  2.     Ceramic
  3.     Cast iron
  4.     Fibre reinforced plastic
Answer: Option C
Explanation :
Question 2. The characteristic that is enhanced by the use of cylinder sleeves is
  1.     Cooling efficiency
  2.     Resistance to wear
  3.     Lubrication performance
  4.     None of these
Answer: Option B
Explanation :
Question 3. Engine misfiring is likely to result from
  1.     Spark plug gap too small
  2.     Spark plug gap too wide
  3.     Vapours lock in the fuel only
  4.     Incorrect fuel air mixture
Answer: Option B
Explanation :
Question 4. The component of the oil filter that prevents the passage of metal particles and sludge is
  1.     Element
  2.     Relief valve
  3.     Check valve
  4.     Case
Answer: Option A
Explanation :
Question 5. It is necessary to maintain the valve clearances as they
  1.     Reduce the resistance to sliding that occurs between the cam and the tappet
  2.     Allow for lengthening of the valves owing to the heat of combustion
  3.     Increase the speed at which the valves move up and down
  4.     Make the crankshaft turn smoothly
Answer: Option B
Explanation :
Question 6. The material generally used for cylinder sleeves is
  1.     Aluminium
  2.     Ceramic
  3.     Cast iron
  4.     Fibre reinforced plastic
Answer: Option C
Explanation :

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