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CHAPTER 6 REVIEW: LIGHT DUTY DIESELS - NEED HELP! CHAPTER 6: COOLING AND LUBRICATION CIRCUITS 147. In the event of an engine overheating, where is the coolant likely to boil first? A. Engine water jacket B. Top radiator tank C. Inlet to the coolant pump D. Thermostat housing 8. What instrument do most engine manufacturers consider to be the most accurate for routinely checking the degree of antifreeze protection in a diesel engine coolant? A. Hydrometer B. Defective thermostat C. Improper coolant D. Defective radiator cap 9. Which of the following API classifications would indicate that the oil was formulated for diesel engines meeting 2017 and later emission standards? A. FA-4 B. CJ-4 C. CC D. SF 10. In a typical diesel-powered vehicle at operating temperature, which of the following should be true? A. Coolant temperatures run cooler than lube oil temperatures. B. Coolant temperatures run warmer than lube oil temperatures. C. Coolant temperatures should be equal to lube oil temperatures. D. All of the above 11. Which of the following conditions could result from a high crankcase oil level? A. Lube oil aeration B. Coolant temperatures run cooler than lube oil temperatures. C. Coolant temperatures run warmer than lube oil temperatures. D. All of the above 12. A full-flow oil filter has become completely plugged. Which of the following is likely if the engine is running? A. Engine seizure. B. Engine lubrication ceases. C. Oil pump hydraulically locks. D. A bypass valve diverts the oil around the filter. 13. Oil that has a milky/clouded appearance is probably contaminated with: A. Fuel B. Dust C. Engine coolant D. Air 14. When an engine thermostat routes the coolant through the bypass circuit, what is happening? A. The coolant is cycled primarily through the radiator. B. The coolant is cycled primarily through the engine. C. The coolant is cycled primarily through auxiliary heat exchangers. 15. Fans with flexible-pitch blades are designed to drive air at greatest efficiency at: A. All speeds B. High speeds C. Low speeds 

          CHAPTER 6 REVIEW: LIGHT DUTY DIESELS - NEED HELP!

CHAPTER 6: COOLING AND LUBRICATION CIRCUITS

147. In the event of an engine overheating, where is the coolant likely to boil first?
A. Engine water jacket
B. Top radiator tank
C. Inlet to the coolant pump
D. Thermostat housing

8. What instrument do most engine manufacturers consider to be the most accurate for routinely checking the degree of antifreeze protection in a diesel engine coolant?
A. Hydrometer
B. Defective thermostat
C. Improper coolant
D. Defective radiator cap

9. Which of the following API classifications would indicate that the oil was formulated for diesel engines meeting 2017 and later emission standards?
A. FA-4
B. CJ-4
C. CC
D. SF

10. In a typical diesel-powered vehicle at operating temperature, which of the following should be true?
A. Coolant temperatures run cooler than lube oil temperatures.
B. Coolant temperatures run warmer than lube oil temperatures.
C. Coolant temperatures should be equal to lube oil temperatures.
D. All of the above

11. Which of the following conditions could result from a high crankcase oil level?
A. Lube oil aeration
B. Coolant temperatures run cooler than lube oil temperatures.
C. Coolant temperatures run warmer than lube oil temperatures.
D. All of the above

12. A full-flow oil filter has become completely plugged. Which of the following is likely if the engine is running?
A. Engine seizure.
B. Engine lubrication ceases.
C. Oil pump hydraulically locks.
D. A bypass valve diverts the oil around the filter.

13. Oil that has a milky/clouded appearance is probably contaminated with:
A. Fuel
B. Dust
C. Engine coolant
D. Air

14. When an engine thermostat routes the coolant through the bypass circuit, what is happening?
A. The coolant is cycled primarily through the radiator.
B. The coolant is cycled primarily through the engine.
C. The coolant is cycled primarily through auxiliary heat exchangers.

15. Fans with flexible-pitch blades are designed to drive air at greatest efficiency at:
A. All speeds
B. High speeds
C. Low speeds
Show more…
chapter 6 review light duty diesels need help chapter6 cooling and lubrication circuits147 humans aeg 8pg cpure water dwec 8in tho ovent of an engine overheating where is the coolant tkely t 12432

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CHAPTER 6 REVIEW: LIGHT DUTY DIESELS - NEED HELP! CHAPTER 6: COOLING AND LUBRICATION CIRCUITS 147. In the event of an engine overheating, where is the coolant likely to boil first? A. Engine water jacket B. Top radiator tank C. Inlet to the coolant pump D. Thermostat housing 8. What instrument do most engine manufacturers consider to be the most accurate for routinely checking the degree of antifreeze protection in a diesel engine coolant? A. Hydrometer B. Defective thermostat C. Improper coolant D. Defective radiator cap 9. Which of the following API classifications would indicate that the oil was formulated for diesel engines meeting 2017 and later emission standards? A. FA-4 B. CJ-4 C. CC D. SF 10. In a typical diesel-powered vehicle at operating temperature, which of the following should be true? A. Coolant temperatures run cooler than lube oil temperatures. B. Coolant temperatures run warmer than lube oil temperatures. C. Coolant temperatures should be equal to lube oil temperatures. D. All of the above 11. Which of the following conditions could result from a high crankcase oil level? A. Lube oil aeration B. Coolant temperatures run cooler than lube oil temperatures. C. Coolant temperatures run warmer than lube oil temperatures. D. All of the above 12. A full-flow oil filter has become completely plugged. Which of the following is likely if the engine is running? A. Engine seizure. B. Engine lubrication ceases. C. Oil pump hydraulically locks. D. A bypass valve diverts the oil around the filter. 13. Oil that has a milky/clouded appearance is probably contaminated with: A. Fuel B. Dust C. Engine coolant D. Air 14. When an engine thermostat routes the coolant through the bypass circuit, what is happening? A. The coolant is cycled primarily through the radiator. B. The coolant is cycled primarily through the engine. C. The coolant is cycled primarily through auxiliary heat exchangers. 15. Fans with flexible-pitch blades are designed to drive air at greatest efficiency at: A. All speeds B. High speeds C. Low speeds
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00:02 1 q h equal to 500 jule q c equal to 300 jule we have to found n n equal to 1 minus q c upon q h into 100 so 1 1 minus 300 upon 500 into 100 which is equal to 1 minus 0 .6 into 100 equal to 40 percent to th equal to 250 degrees celsius plus 273 equal to 523 kelvin which is given so n equal to 1 minus tc upon th…
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