Engineering High School

What is the value of the expression 8 cubed?

A. 24
B. 83
C. 512
D. 6,561

Answers

Answer 1
C. 512....................
Answer 2
the answer would be C (512) because 8^3 is the same as 8•8•8 which equals 512

Related Questions

7. In Fleming's left hand rule what do the
following represent:

First finger:
Second finger:
Thumb:

Answers

Answer: See explanation

Explanation:

Fleming’s Left-Hand Rule is simply used to know a conductor's direction of force in an electric motor in a scenario where the direction of the magnetic field and the current are already known.

In Fleming's left hand rule, the following are represented:

First finger: This represents the direction of the magnetic field.

Second finger: This represents the direction of the current.

Thumb: This represents the direction of the motion that is acting on the conductor.

13. The members installed vertically over and under a window opening are called
studs.
a. Cripple
b. Valley
C. Ridge

Answers

Explanation:

Cripples are vertical framing members that support a sill or saddle.

They are installed at points where a common stud would have stood if not for the window opening.

Cripples provide support for the window and the sill it rests on.

According to the rules of dimension how should written notes appear

Answers

Explanation:

Leaders for notes should be straight, not curved, and point to the center of circular  views of holes wherever possible. Leaders should slope at 45°, 30° or 60° with  horizontal but may be made at any convenient angle except vertical or horizontal.

Chapter 19: Diesel Engine Operation and Diagnosis -Chapter Quiz


1. How is diesel fuel ignited in a warm diesel engine?
A. Glow plugs
B. Heat compression
C. Spark plugs
D. Distributor-less ignition system

2. Which type of diesel injection produces less noise?
A. Indirect injection (IDI)
B. Common rail
C. Direct injection
D. Distributor injection

3. Which diesel injection system requires the use of a glow plug?
A. Indirect injection (IDI)
B. High pressure common rail
C. Direct injection
D. Distributor injection

4. The three phases of diesel ignition include _______________________.
A. Glow plug ignition, fast burn, slow burn
B. Slow burn, fast burn, slow burn
C. Ignition delay, repaid combustion, controlled combustion
D. Glow plug ignition, ignition delay, controlled combustion


5. What fuel system component is used in a vehicle equipped with a diesel engine that is seldom used on the same vehicle when it is equipped with a gasoline engine?
A. Fuel filter
B. Fuel supply line
C. Fuel return line
D. Water-fuel separator

6. The diesel injection pump is usually driven by a _________________.
A. Gear off the camshaft
B. Belt off the crankshaft
C. Shaft drive off of the crankshaft
D. Chain drive off of the camshaft


7. Which diesel system supplies high-pressure diesel fuel to all the injectors all of the time?
A. Distributor
B. Inline
C. High-pressure common rail
D. Rotary

8. Glow plugs should have high resistance when _____________and lower resistance when __________________.
A. Cold/warm
B. Warm/cold
C. Wet/dry
D. Dry/wet

9. Technician A says that glow plugs are used to help start a diesel engine and are shut off as soon as the engine starts. Technician B says that the glow plugs are turned off as soon as a flame is detected in the combustion chamber. Which Technician is correct?
A. Technician A only
B. Technician B only
C. Both Technicians A and B
D. Neither Technicians A NOR B

10. What part should be removed to test cylinder compression on a diesel engine?
A. An injector
B. An intake valve rocker arm and stud
C. An exhaust valve
D. A glow plug

Answers

Answer: See explanation

Explanation:

1. How is diesel fuel ignited in a warm diesel engine?

B. Heat compression

2. Which type of diesel injection produces less noise?

A. Indirect injection (IDI)

3. Which diesel injection system requires the use of a glow plug?

A. Indirect injection (IDI)

4. The three phases of diesel ignition include:

C. Ignition delay, repaid combustion, controlled combustion.

5. What fuel system component is used in a vehicle equipped with a diesel engine that is seldom used on the same vehicle when it is equipped with a gasoline engine?

D. Water-fuel separator

6. The diesel injection pump is usually driven by a _________________.

A. Gear off the camshaft

7. Which diesel system supplies high-pressure diesel fuel to all the injectors all of the time?

C. High-pressure common rail

8. Glow plugs should have high resistance when _____________and lower resistance when __________________.

B. Warm/cold

9. Technician A says that glow plugs are used to help start a diesel engine and are shut off as soon as the engine starts. Technician B says that the glow plugs are turned off as soon as a flame is detected in the combustion chamber. Which Technician is correct?

D. Neither Technicians A NOR B

10. What part should be removed to test cylinder compression on a diesel engine?

D. A glow plug

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