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Highest useful compression ratio (HUCR) is the highest compression ratio at which the?

LohaHridoy
  1. Engine can run
  2. Engine gives maximum output
  3. Engine is most efficient
  4. Fuel can be used in a test engine without knocking

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AhmedNazir

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Answer: Option 4

Highest Useful Compression Ratio (HUCR) is the compression ratio at which a fuel can be used without detonation in a specified test engine under specified operating condition and the ignition and mixture strength being adjusted to give best efficiency

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The index of compression ‘n’ tends to reach ratio of specific heats ‘y’ when?

Answer: Option 4 Let'

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Study the following statements.i) The displacement method is more useful when degree of kinematic indeterminacy is greater than the degree of static indeterminacy.ii) The displacement method is more useful when degree of kinematic indeterminacy is less than the degree of static indeterminacy.iii) The force method is more useful when degree of static indeterminacy is greater than the degree of kinematic indeterminacy.iv) The force method is more useful when degree of static indeterminacy is less than the degree of kinematic indeterminacy.The correct answer is?

Answer: Option 4 Let'

1 Answers 3 views
Which function is useful when you want to output the executed command’s result?

Answer: Option 4 Let'

1 Answers 1 views
Which of the following is a useful security mechanism when considering business strategy and IT?

Answer: Option 4 Encryption, decryption and firewall is a useful security mechanism when considering business strategy and IT.

1 Answers 1 views
What can be defined as a useful idle resource which has economic value eg; raw materials, spareparts, finished items, etc?

Answer: Option 2 Inventory can be defined as a useful idle resource which has economic value eg; raw materials, spareparts, finished items, etc. Inventory is an idle stock of physical...

1 Answers 1 views
The air standard efficiency of an Otto cycle is given by (where r = Compression ratio, and γ = Ratio of specific heats)?

Answer: Option 3 Let'

1 Answers 1 views
The air standard efficiency of an I.C. engine is given by (where r = Compression ratio, and γ = Ratio of specific heats)?

Answer: Option 3 The air standard efficiency of an I.C. engine is given by 1 - (1/rγ - 1) where r = Compression ratio, γ = Ratio of specific heats

1 Answers 1 views
Which command will be used to display a column file compression ratio for each file of Double spaced disk?

Answer: Option 4 Let'

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The co-efficient of performance (COP) of a refrigerating system, which is its index of performance, is defined as the ratio of useful refrigeration to the net work. The units of __________ and COP are the same.?

Answer: Option 4 COP of refrigerating system $$ = \frac{{{\text{heat taken from the low temperature reserviour}}}}{{{\text{work supplied}}}}$$ So, we can say there are no units for COP because the heat taken...

1 Answers 1 views
Which of the following has the maximum compression ratio?

Answer: Option 3 Let'

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