MDE 21 End of Unit Quiz

MDE 21

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Question 1:
What is a key characteristic that differentiates a V-type engine from an in-line engine?

B) The type of fuel used

C) The engine's cooling system

A) The arrangement of the engine's cylinders

D) The number of valves per cylinder

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Question 1:
What is a common characteristic of a V-type engine with a "cross-plane" crankshaft arrangement?

B) The crankshaft has offset throws to balance the engine.

A) The crankshaft is placed parallel to the cylinder banks.

C) The crankshaft is positioned perpendicular to the cylinder banks.

D) The engine has a single plane crankshaft.

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Question 3:
Which engine configuration is more likely to have a smoother operation and reduced vibration?

C) Both have the same level of vibration

B) V-type engine

A) In-line engine

D) Neither is smooth

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Question 4:
Which of the following is a common advantage of an in-line engine over a V-type engine?

A) Better fuel efficiency

D) Simplicity in design and construction

C) More compact design

B) More complex maintenance

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Question 6:
In which engine configuration would you typically find the crankshaft positioned between the two rows of cylinders?

D) Neither type of engine

C) Both types of engines

B) V-type engine

A) In-line engine

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Question 4:
What is a key advantage of a flat-plane crankshaft in a V-type engine?

B) Better engine smoothness at high RPMs

C) Reduced engine weight

D) Increased fuel efficiency

A) Increased torque at low RPMs

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Question 2:
In a V-type engine with a "flat-plane" crankshaft arrangement, how is the crankshaft designed to achieve balance?

D) The crankshaft uses uneven spacing of throws to achieve balance.

C) The crankshaft is positioned at a 45-degree angle to the cylinder banks.

A) The crankshaft has evenly spaced throws to balance the engine.

B) The crankshaft is equipped with counterweights to reduce vibration.

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Question 3:
Which V-type engine bottom end arrangement is known for better engine balance and reduced vibration?

D) Neither arrangement offers good balance

C) Both arrangements have equal balance

B) Flat-plane crankshaft arrangement

A) Cross-plane crankshaft arrangement

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Question 2:
Which engine type typically offers a more compact design compared to the other?

C) Both have the same compactness

A) In-line engine

D) Neither is compact

B) V-type engine

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Question 4:
In a simple hydraulic governor, how is the feedback from the engine speed used to control fuel delivery?

D) It alters the pressure in the engine's cooling system.

A) It directly adjusts the engine’s ignition timing.

B) It changes the position of the flyweights, which in turn adjusts the fuel pump.

C) It controls the temperature of the hydraulic fluid.

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Question 5:
Which engine type is more commonly used in high-performance applications due to its ability to provide more power in a compact space?

D) Neither is used for high performance

C) Both are equally used

A) In-line engine

B) V-type engine

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Question 2:
How does a simple hydraulic governor detect changes in engine speed?

C) By monitoring the centrifugal force generated by a flyweight mechanism

A) By measuring the oil pressure in the hydraulic system

B) By sensing the position of the throttle lever

D) By checking the temperature of the engine coolant

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