# Modelling and Analysis of Mechatronics Systems - Mechanical Engineering (MCQ) questions and answers

1)   __________ is the time required for the response to reach 50% of the final value in the first attempt.

a. Rise time
b. Peak time
c. Settling time
d. Delay time
 Answer  Explanation ANSWER: Delay time Explanation: No explanation is available for this question!

2)   If the frequency of the input signal to a system is increased, the amplitude of the output _______.

a. start reducing
b. start increasing
c. be remain constant
d. be unpredictable
 Answer  Explanation ANSWER: start reducing Explanation: No explanation is available for this question!

3)   In all cases of input frequency, if the gain starts reducing, the phase angle will _______.

a. start reducing
b. start increasing
c. be remain constant
d. be unpredictable
 Answer  Explanation ANSWER: start reducing Explanation: No explanation is available for this question!

4)   What is the ratio of amplitude of response to that of the input called?

a. Response
b. Gain
c. Phase
d. Frequency
 Answer  Explanation ANSWER: Gain Explanation: No explanation is available for this question!

5)   Which method is used for stability analysis?

a. Nyquisit criteria
b. Root locus method
c. Routh Hurwitz criteria
d. All of the above
 Answer  Explanation ANSWER: All of the above Explanation: No explanation is available for this question!

6)   When the output is bounded for bounded inputs, then the system is said to be_______.

a. stable
b. unstable
c. functional
d. nonfunctional
 Answer  Explanation ANSWER: stable Explanation: No explanation is available for this question!

7)   What would be the relation between the resistances for laminar flow and turbulent flow for the same head (H) and flow rate (Q)?

a. Rturbulent = (1/2) x Rlaminar
b. Rturbulent = 2 x Rlaminar
c. Rturbulent = 4 x Rlaminar
d. Rturbulent = 2000 x Rlaminar
 Answer  Explanation ANSWER: Rturbulent = 2 x Rlaminar Explanation: No explanation is available for this question!

8)   What is the formula for thermal capacitance?

a. (Change in heat stored) / (Change in heat transfer rate)
b. (Change in heat stored) / (Change in thermal resistance)
c. (Change in heat stored) / (Change in temperature)
d. Unpredictable
 Answer  Explanation ANSWER: (Change in heat stored) / (Change in temperature) Explanation: No explanation is available for this question!

9)   Heat in thermal system is analogous to __________ in electrical energy.

a. current
b. potential difference
c. resistance
d. charge
 Answer  Explanation ANSWER: charge Explanation: No explanation is available for this question!

10)   The phenomenon of storing heat energy in a system is called as thermal______.

a. conductance
b. resistance
c. capacitance
d. all of the above
 Answer  Explanation ANSWER: capacitance Explanation: No explanation is available for this question!