A Customer Comes into a Shop with a Complaint That

question 9

Multiple Choice

A customer comes into a shop with a complaint that his car is smoking. The smoke appears in a big cloud after starting and then clears up. He also notes smoking during long periods of deceleration or idling. Technician A says that the valve stem seals may be worn. Technician B says that if the valve stems are worn, they may be changed without removing the cylinder head. Who is correct?

• A) A only
• B) B only
• C) Both A and B
• D) Neither A nor B

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Definitions:

Low Values

Refers to measurements or quantities that are significantly below average or expected levels.

Voltmeter

An instrument used for measuring electrical potential difference between two points in an electric circuit.

Analog Meter

A measuring instrument with a moving pointer that displays readings on a graduated scale, used for measuring physical quantities like voltage or current.

Galvanometers

Instruments used to detect and measure small electric currents by deflection of a pointer in the presence of magnetic fields.