Diesel Mechanic Interview Preparation Guide
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Diesel Mechanic Frequently Asked Questions in various Diesel Mechanic job interviews by interviewer. The set of questions are here to ensures that you offer a perfect answer posed to you. So get preparation for your new job interview

79 Diesel Mechanic Questions and Answers:

1 :: What is diesel Engine?

An internal combustion engine in which fuel oil is burnt by heat produced from air compression. The most commonly bought Industrial Diesel Engines are either Rebuilt Diesel Engine or Used Diesel Engine.
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2 :: What is non-Utility Generator?

Connected to an electric utility system, Non-utility Generator generates electricity specifically for those not owned by an electric utility.
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3 :: What is voltage Regulator?

By modulating the flow of DC to the rotor, Voltage regulator maintains optimum generator voltage, automatically.
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4 :: What is KVA?

KVA is kilovolt-ampere and is the unit of apparent power. KVA is used for measuring the power consumption of non-resistive equipment such as motors, computers, and most non-incandescent lighting.
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5 :: As you know diesel mechanics are usually hired depending on their expertise in specific areas. What areas are you most comfortable working in?

While I am an experienced diesel mechanic and have experience in handling diesel engines in their entirety, I believe my interest lies in handling electrical systems and overhauling pertaining to vehicular diesel engines.
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6 :: What is absolute Temperature?

The temperature measured using absolute zero as a reference. Absolute zero is -469.69° F (-273.16° C) and is the lowest point of temperature known.
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7 :: What is cam-Ground Piston?

Oval shaped piston head design used by most large-diameter aluminum pistons, which expands in a nonuniform manner when hot to attain a round shape.
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8 :: What is digital Sensor?

A sensor which uses duty cycles of two voltages in timed pulses of AC to relay such information as speed, throttle position, and engine timing.
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9 :: What is combustion Cycle?

A series of thermodynamic processes throughwhich the working gas passes to produce one power stroke. The full cycle is: intake, compression, power, exhaust.
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10 :: What is an American Public Power Association (APPA)?

A national service organization that represents 2000 municipal and other state or local publicly owned electric utilities spread across the United States.
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