Which of the following is a reason for an engine not starting?

This question was previously asked in
RRB ALP Mechanic Diesel 23 Jan 2019 Official Paper (Shift 2)
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  1. Punctured tires
  2. Timing defect
  3. Clogged air cleaner
  4. No fuel in the tank

Answer (Detailed Solution Below)

Option 4 : No fuel in the tank
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Detailed Solution

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Explanation:

Not starting an engine can be due to:

  • Low or no fuel in the tank
  • Choked fuel hose
  • Clogged fuel filter
  • Air lock in the fuel system
  • Air in the fuel injection pump
  • Clogged exhaust ports
  • Raptured cylinder head gasket
  • Worn piston rings
  • Broken valve timing belt/chain
  • Poor valve seating
  • Valve seat pitted
  • Main fuse is blown off
  • Defective starting relay
  • Main ignition switch open circuited
  • Defective brushes in the starter
  • Open in-field or armature circuit of the starter
  • Loose battery terminal connection
  • Run down the battery
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