E​ngine Components and must knows quiz(easy)

W​hat does the Thermostat do?

  • C​ools intake manifold
  • B​locks coolant from the radiator until motor has reached operating temperature
  • H​eats of the engine block

W​hat does an EGR on diesel engine do?

  • L​imits engine performance
  • C​leans the internal engine parts such as pistons and valve train
  • R​educes emissions

D​oes a diesel motor have a throttle body?

  • N​O

W​hy are some valves sodium filled?

  • T​o get them to normal operating temperature as soon as possible
  • T​he sodium can help cool them

W​hat has cause this spark plug to look like this?

  • I​t is oil-Fouled
  • D​etonation(engine knock)
  • O​ld age
  • Overheated
  • M​elted Eletrode
  • F​uel fouled
  • C​arbon-fouled
  • M​echanical damage

W​hat can happen if you go to start a car with a disconnected fuel pump?

  • T​he engine will get better fuel economy
  • E​entire fuel system could fail and destroy the motor
  • T​he motor won't start
  • I​t could catch fire

W​hen in a closed space like an autoshop what could happen when you start a car?

  • i​t could fall off a lift if no secured properly
  • I​f car runs for long enough you could suffer from sickness or even die from Carbon monoxide poising!
  • a​ll of the above

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Comments (63)

  • 1. How will it catch fire if the fuel pump is disconnected? What do you mean by disconnected? Fuel line or power?

    2. It doesn't say in the question that te car is on a lift, it might be over a canal or on the ground.

      1 year ago
    • what?

        1 year ago
    • dude, if you disconnect the fuel pump it won't work and because there's no power to it, it won't pump anything, how is it going to start a fire?

        1 year ago
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