Related Questions

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
For a stable system having two or more gain crossover frequencies the phase margin is measured at the highest crossover frequency.
A True
B False
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
On selling a chair at 7% loss and a table at 17% gain, a man gains Tk 296. If he sells the chair at 7% gain and the table at 12% gain, then he gains Tk. 400. The actual price of the table is ---
A Tk. 2400
B Tk. 2200
C Tk. 1800
D Tk. 1600
If the current gain of the amplifier is X, its voltage gain is Y, then its power gain will be
A $$\frac{{\text{X}}}{{\text{Y}}}$$
B X × Y
C X + Y
D X - Y
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%
According to Bode stability criterian, a system is unstable, if the open loop frequency response exhibits an amplitude ratio exceeding unity at frequency for which phase lag is
A 0°
B 45°
C 90°
D 180°
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

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