Related Questions

In recent times, the “dynamic brake system” is becoming popular in modern railways. The dynamic brake system coverts Kinetic energy to________:
A Potential energy
B Electricity
C Sound energy
D Magnetic energy
Which of the following is an undesirable dynamic characteristic of an instrument?
A Reproducibility
B Dead zone
C Time lag
D Static error
Degree to which an instrument indicates the changes in measured variable without dynamic error is called its
A Speed of response
B Reproducibility
C Fidielity
D Static characteristics
What is the dynamic error in a critically damped second order instrument for a ramp input (AT)?
A 0.5 AT
B 2 AT
C $$\sqrt {{\text{AT}}} $$
D 1.5 AT
An instrument store gives a 10% discount to all students off the original cost of an instrument. During a school sale, an additional 15% is taken off the discounted price. Rahim, a student at the local high school, purchases a flute for Tk. 306. What was its original cost before discount?
A Tk. 400
B Tk. 408
C Tk. 375
D Tk. 425
An instrument store gives a 10% discount to all students of the original cost of an instrument. During a school sale an additional 15% is taken off the discounted price. Rahim, a student at the local high school, purchases a flute for Tk 306. How much did it originally cost?
A Tk 400
B Tk 408
C Tk 375
D Tk 425
If the instrument is to have a wide range, the instrument should have
A Linear scale
B Square-law scale
C Exponential scale
D Logarithmic scale
__________ is the static characteristics of an instrument,
A Response
B Tine lag
C Drift
D Dynamic error
The speed characteristics of an induction motor closely resemble the speed-load characteristics of which of the following machines
A D.C. series motor
B D.C. shunt motor
C Universal motor
D None of the above
In a certain population group, 57% of the people have characteristics, X and 63% have characteristics Y. If every person in the group has at lest what percent of the people have both X and Y?
A 20%
B 18%
C 12%
D 6%

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