1) Heat in thermal system is analogous to __________ in electrical energy.
a. current
b. potential difference
c. resistance
d. charge
Answer
Explanation
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ANSWER: charge
Explanation: No explanation is available for this question!
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2) 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
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ANSWER: (Change in heat stored) / (Change in temperature)
Explanation: No explanation is available for this question!
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3) 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
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ANSWER: capacitance
Explanation: No explanation is available for this question!
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4) __________ 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
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ANSWER: Delay time
Explanation: No explanation is available for this question!
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5) 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
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ANSWER: start reducing
Explanation: No explanation is available for this question!
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6) 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
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ANSWER: start reducing
Explanation: No explanation is available for this question!
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7) What is the ratio of amplitude of response to that of the input called?
a. Response
b. Gain
c. Phase
d. Frequency
Answer
Explanation
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ANSWER: Gain
Explanation: No explanation is available for this question!
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8) 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
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ANSWER: All of the above
Explanation: No explanation is available for this question!
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9) 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
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ANSWER: stable
Explanation: No explanation is available for this question!
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10) What would be the relation between the resistances for laminar flow and turbulent flow for the same head (H) and flow rate (Q)?
a. R turbulent = (1/2) x R laminar
b. R turbulent = 2 x R laminar
c. R turbulent = 4 x R laminar
d. R turbulent = 2000 x R laminar
Answer
Explanation
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ANSWER: Rturbulent = 2 x Rlaminar
Explanation: No explanation is available for this question!
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