ASVAB MECHANICAL AND ELECTRICAL EXAM QUESTIONS

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ASVAB MECHANICAL AND ELECTRICAL EXAM QUESTIONS

Qs and Ans - Expert- Explanation - ing score -22 Questions and Answers

-Format: Multiple-choice / Flashcard

Question 1: Work is calculated by

Answer:

Effort/load = load distance/effort distance... Effort x effort distance = load x load distance.

Question 2: A capacitor of 100 microfarads has a capacity of

Answer:

100,000,000 picofarads

Question 3: Electricity is defined as the flow of ___ along a ___

Answer:

Electrons; conductor

Question 4: An oscillator is

Answer:

An electronic circuit that produces a regularly varying electrical signal from direct current.

Question 5: Inductive reactance is found by using the formula

Answer:

Xl = 2 pi FL

Question 6: Another name for a transistor is

Answer:

Transfer resistor Question 7: When the secondary side of a transformer has more turns than the primary side, the output voltage will be ___ the input voltage

Answer:

Higher than

Question 8: A Signal's frequency is inversely proportional to its

Answer:

Period

Question 9: Simple machines mechanical efficiency formula

Answer:

Efficiency = work output/ work input

Question 10: Capacitors connected in series obtain a resulting value

Answer:

Less than that of the smallest capacitance

Question 11: Conventional current flow is from

Answer:

Positive to negative

Question 12: An ampere is defined as

Answer:

An electrical flow of one coulomb per second

Question 13: A 12 volt battery contains how many cells?

Answer:

• cells

Question 14: A junction diode is used for

Answer:

Rectifying power-line frequencies and higher currents Question 15: Resistance in a circuit is change from 50 ohms to 25 ohms. If the voltage in the circuit Remains the Same, what will happen to the current?

Answer:

The current will double

Question 16: The best reason to use a filter in a power supply is to

Answer:

Even out voltage variations

Question 17: The property of a circuit that opposes the flow of electrons is

Answer:

Resistance Question 18: A watt is the power that gives rise to the production of energy at the rate of

Answer:

One joule per second Question 19: The 6 categories of simple machines are the lever, inclined plane, __, __, __, and __.

Answer:

Screw; wedge; pulley; wheel and axle.

Question 20: Pliers are an example of a first class lever because

Answer:

The fulcrum is positioned between the effort and the load

Question 21: The symbol for inductance is

Answer:

L

Question 22: Type of second class lever

Answer:

Nutcracker