Related Questions

Power gain in decibels is equal to voltage gain in decibels only when
A Input impedance is equal to output impedance
B Output impedance is zero
C Never
D Input impedance is zero
If 'blue' means 'green', green' means 'yellow' 'yellow' means 'orange', 'orange' means 'black', 'black' means 'white', 'white' means 'red', 'red' means 'pink', 'pink' means 'brown', 'brown' means 'grey', than what is the color of human blood?
A black
B red
C white
D orange
Which of the following statements is correct for a system with gain margin close to unity or a phase margin close to zero ?
A The system is relatively stable
B The system is highly stable
C The system is highly oscillatory
D None of the above
Gain margin and phase margin can be determined from Bode plots as well as Nyquist plot.
A True
B False
Typical specifications for design stipulates the gain margin and phase margin to be respectively
A > 1.7 and > 30°
B 30°
C > 1.7 and
A company wishes to earn a 20% profit margin on selling price . Which of the following is he profit mark-up on cost , which will achieve the required profit margin ?
A 33%
B 25%
C 20%
D 50%
A company wishes to earn a 20% profit margin on selling price. Which of the following is the profit mark-up on cost, which will achieve the required profit margin ?
A 33%
B 25%
C 20%
D 50%
In a recent year, Windsor's Boat's reported an asset turnover ratio of 2.46 times and a profit margin of 19.8% . In the same year, Sarah's Sail Boats reported an asset turnover ratio of 1.27 times and a profit margin of 9.9% . Which of the following statements is false ?
A Sarah's did a better job of turning over its assets
B Windsor's did a better job of generating profit from its sales
C Windsor's return on assets (ROA) is 48.7% while Sarah's return on assets is 12.6%
D None of the other answers is false
MN Company is planning to sell 200,000 pliers for Tk 4 per unit. The contribution margin ratio is 25% and fixed cost is Tk 40,000. What is the margin of safety of MN Company?
A 15%
B 20%
C 25%
D 30%
E None of these
Maximum permissible limit of industrial noise as recommended by World Health Organisation (WHO) is __________ decibels.
A 35
B 75
C 95
D 105

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