Question: Pressure error can be measured by which of the following ?

• 1. Differential bellows and straingauge
• 2. Selsyn
• 3. Strain gauge
• 4. Strain gauge and potentiometer

Question: _____________is not a final control element?

• 1. Control valve
• 2. Potentiometer
• 3. Electropneumatic converter
• 4. Servomotor

Question: ____________technique is not applicable to nonlinear system ?

• 1. Nyquist Criterion
• 2. Quasi linearization
• 3. Functional analysis
• 4. Phase-plane representation

Question: Phase margin of a system is used to specify which of the following ?

• 1. Frequency response
• 2. Absolute stability
• 3. Relative stability
• 4. Time response

Question: The position and velocity errors of a type-2 system are_____________?

• 1. constant, constant
• 2. constant, infinity
• 3. zero, constant
• 4. zero, zero

Question: The type 0 system has ___________ at the origin?

• 1. no pole
• 2. net pole
• 3. simple pole
• 4. two poles

Question: Which of the following is the best method for determining the stability and transient response ?

• 1. Root locus
• 2. Bode plot
• 3. Nyquist plot
• 4. None of the above

Question: Which of the following is the non-linearity caused by servomotor ?

• 1. Static friction
• 2. Backlash
• 3. Saturation
• 4. None of the above

Question: A.C. servomotor is basically a____________?

• 1. universal motor
• 2. single phase induction motor
• 3. two phase induction motor
• 4. three phase induction motor

Question: The binary code of (21.125)10 is_______________?

• 1. 10101.001
• 2. 10100.001
• 3. 10101.010
• 4. 10100.111