Related Questions

Gain margin and phase margin can be determined from Bode plots as well as Nyquist plot.
A True
B False
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
The design stress, which is more than the damaging stress, is the least unit stress that will render a member unfit for service before the end of its normal life. The design stress factor or factor of safety indicates the margin between design stress and the __________ stress.
A Working
B Damaging
C Allowable
D None of these
Kinetic theory of gases stipulates that, the
A Energy is lost during molecular collisions
B Molecules possess appreciable volume
C Absolute temperature is a measure of the kinetic energy of molecules
D None of these
There are two domains on your network. The DESIGN domain trusts the SALES domain. A color printer is shared in the DESIGN domain, and print permissions have been granted to the Domain Users and Domain Guests groups in the DESIGN domain. The Guest account has been enabled in the DESIGN domain. User John Y logs on using his account in the SALES domain. What must you do to allow JohnY to access the printer?
A Make JohnY a member of the DESIGN Domain Guests group
B Make JohnY a member of the DESIGN Domain Users group
C Do nothing. JohnY can access the printer now
D JohnY cannot access the printer with this configuration
E None of the above
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
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
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

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