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MCQOPTIONS
This section includes 2114 Mcqs, each offering curated multiple-choice questions to sharpen your Unit Processes knowledge and support exam preparation. Choose a topic below to get started.
| 751. |
The characteristic equation of a control system is given by s(s+4)(s2+2s+s) +k(s+1) =0. What are the angles of the asymptotes for the root loci |
| A. | 60°, 180°, 300° |
| B. | 0°, 180°, 300° |
| C. | 120°, 180°, 240° |
| D. | 0°, 120°, 240° |
| Answer» B. 0°, 180°, 300° | |
| 752. |
Consider the points s1 =-3+4j and s2 = -3-2j in the s-plane. Then, for a system with the open loop transfer function G(s)H(s) =K/(s+1)4. |
| A. | S1 is on the root locus but s2 is not |
| B. | S2 is on the root locus but s1 is not |
| C. | Both s1 and s2 are not on the root locus |
| D. | Neither s1 nor s2 is on the root locus |
| Answer» C. Both s1 and s2 are not on the root locus | |
| 753. |
Is zero is the absolute magnitudes of the source and sink? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 754. |
Is doublet is the combination of source and sink? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 755. |
Is source and sink are equal? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 756. |
Which enzyme join DNA molecules together? |
| A. | Polymerase |
| B. | Nucleases |
| C. | Ligases |
| D. | Linkers |
| Answer» D. Linkers | |
| 757. |
Name the restriction enzyme which recognizes different sequences, but produces same ends? |
| A. | DAM methylase |
| B. | Isoschizomers |
| C. | Neoschizomers |
| D. | Isocaudomers |
| Answer» E. | |
| 758. |
Kornberg enzyme has both 3’-5’ and 5’-3’ exonuclease activity. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 759. |
An enzyme which synthesis, DNA from RNA is called___________ |
| A. | DNA polymerase |
| B. | RNA polymerase |
| C. | Nucleases |
| D. | Reverse transcriptase |
| Answer» E. | |
| 760. |
_______________ is not an arrhythmic condition. |
| A. | Cardiographic beat |
| B. | Bradycardia |
| C. | Ectopic beat |
| D. | Dropped beat |
| Answer» B. Bradycardia | |
| 761. |
Which among the following are optical systems, which provide better isolation of spectral energy than the pptical filters. |
| A. | Spectromators |
| B. | Monochromators |
| C. | Baromators |
| D. | Tocochromators |
| Answer» C. Baromators | |
| 762. |
____________ is necessary for providing a common reference for measurement? |
| A. | active electrode |
| B. | ground electrode |
| C. | tape recorder |
| D. | oscilloscope |
| Answer» C. tape recorder | |
| 763. |
Which of the following factor determines the amplitude of EMG signal? |
| A. | Respiration |
| B. | Ventricular Volume |
| C. | Blood Resistivity |
| D. | Position of electrode |
| Answer» E. | |
| 764. |
_________ instrument is used for recording the electrical activity of the muscles. |
| A. | ECG |
| B. | EMG |
| C. | PCG |
| D. | EEG |
| Answer» C. PCG | |
| 765. |
In the circuit shown below, the switch is closed at t = 0, applied voltage is v (t) = 50cos (102t+π/4), resistance R = 10Ω and capacitance C = 1µF. The value of c in the complementary function of ‘i’ is? |
| A. | c = (3.53-4.99×10-3) cos(π/4+89.94o) |
| B. | c = (3.53+4.99×10-3) cos(π/4+89.94o) |
| C. | c = (3.53+4.99×10-3) cos(π/4-89.94o) |
| D. | c = (3.53-4.99×10-3) cos(π/4-89.94o) |
| Answer» B. c = (3.53+4.99×10-3) cos(π/4+89.94o) | |
| 766. |
In the circuit shown below, the switch is closed at t = 0, applied voltage is v (t) = 50cos (102t+π/4), resistance R = 10Ω and capacitance C = 1µF. The complete solution of ‘i’ is? |
| A. | i = c exp (-t/10-5) – (4.99×10-3) cos(100t+π/2+89.94o) |
| B. | i = c exp (-t/10-5) + (4.99×10-3) cos(100t+π/2+89.94o) |
| C. | i = -c exp(-t/10-5) + (4.99×10-3) cos(100t+π/2+89.94o) |
| D. | i = -c exp(-t/10-5) – (4.99×10-3) cos(100t+π/2+89.94o) |
| Answer» C. i = -c exp(-t/10-5) + (4.99×10-3) cos(100t+π/2+89.94o) | |
| 767. |
In the circuit shown below, the switch is closed at t = 0, applied voltage is v (t) = 50cos (102t+π/4), resistance R = 10Ω and capacitance C = 1µF. The current flowing in the circuit at t = 0 is? |
| A. | 1.53 |
| B. | 2.53 |
| C. | 3.53 |
| D. | 4.53 |
| Answer» D. 4.53 | |
| 768. |
In the circuit shown below, the switch is closed at t = 0, applied voltage is v (t) = 50cos (102t+π/4), resistance R = 10Ω and capacitance C = 1µF. The particular integral of the solution of ‘ip’ is? |
| A. | ip = (4.99×10-3) cos(100t+π/4-89.94o) |
| B. | ip = (4.99×10-3) cos(100t-π/4-89.94o) |
| C. | ip = (4.99×10-3) cos(100t-π/4+89.94o) |
| D. | ip = (4.99×10-3) cos(100t+π/4+89.94o) |
| Answer» E. | |
| 769. |
In the circuit shown below, the switch is closed at t = 0, applied voltage is v (t) = 50cos (102t+π/4), resistance R = 10Ω and capacitance C = 1µF. The complementary function of the solution of ‘i’ is? |
| A. | ic = c exp (-t/10-10) |
| B. | ic = c exp(-t/1010) |
| C. | ic = c exp (-t/10-5) |
| D. | ic = c exp (-t/105) |
| Answer» D. ic = c exp (-t/105) | |
| 770. |
The value of ‘c’ in complementary function of ‘i’ is? |
| A. | c = V/R cosθ+V/√(R2+(1/(ωC))2) cos(θ+tan-1(1/ωRC)) |
| B. | c = V/R cosθ+V/√(R2+(1/(ωC))2) cos(θ-tan-1(1/ωRC)) |
| C. | c = V/R cosθ-V/√(R2+(1/(ωC))2) cos(θ-tan-1(1/ωRC)) |
| D. | c = V/R cosθ-V/√(R2+(1/(ωC))2) cos(θ+tan-1(1/ωRC)) |
| Answer» E. | |
| 771. |
In the sinusoidal response of R-C circuit, the complementary function of the solution of i is? |
| A. | ic = ce-t/RC |
| B. | ic = cet/RC |
| C. | ic = ce-t/RC |
| D. | ic = cet/RC |
| Answer» B. ic = cet/RC | |
| 772. |
Which one of the following is the correct formula for the equivalent diameter for square pitch? |
| A. | D = \( \frac{4(Pt^2-\frac{πOD^2}{4})}{πOD}\) |
| B. | D = \( \frac{4(0.86×Pt^2-\frac{πOD^2}{4})}{πOD}\) |
| C. | D = \( \frac{(\frac{0.86}{2}Pt^2-\frac{πOD^2}{4})}{\frac{π}{2}OD}\) |
| D. | D = \( \frac{4(\frac{0.86}{2}Pt^2-\frac{πOD^2}{4})}{\frac{π}{2}OD}\) |
| Answer» B. D = \( \frac{4(0.86×Pt^2-\frac{πOD^2}{4})}{πOD}\) | |
| 773. |
What is the equivalent diameter of a square pitch shell and tube HE if pitch is 40mm, the outer diameter of the tubes is 30mm? |
| A. | 39.4 mm |
| B. | 37.9 mm |
| C. | 36.2 mm |
| D. | 34.1 mm |
| Answer» C. 36.2 mm | |
| 774. |
What is the correct Entity X in the equivalent diameter of a Triangular pitch?D = \(\frac{4(\frac{X}{2}Pt^2-\frac{\frac{1}{2}πOD^2}{4})}{\frac{1}{2}πOD}\) |
| A. | 0.23 |
| B. | 0.027 |
| C. | 0.86 |
| D. | 0.086 |
| Answer» D. 0.086 | |
| 775. |
Which of the following formula is correct for Equivalent diameter for a triangular pitch? |
| A. | D = \(\frac{4(\frac{1}{2}πPt^2+\frac{\frac{1}{2}πOD^2}{8})}{\frac{1}{2}πOD^2}\) |
| B. | D = \(\frac{4(\frac{1}{2}πPt^2+\frac{\frac{1}{2}πOD^2}{4})}{\frac{1}{2}πOD^2}\) |
| C. | D = \(\frac{4(0.86\frac{1}{2}πPt^2-\frac{\frac{1}{2}πOD^2}{4})}{\frac{1}{2}πOD^2}\) |
| D. | D = \(\frac{4(\frac{0.86}{2}πPt^2-\frac{\frac{1}{2}πOD^2}{4})}{\frac{1}{2}πOD}\) |
| Answer» E. | |
| 776. |
In the calculation of flow area for a shell and tube heat exchanger, which is the correct formula?Where C = Clearance, Pt = Pitch, ID = Inner Diameter, B = Baffle spacing. |
| A. | A = \(\frac{ID×Pt×C}{B}\) |
| B. | A = \(\frac{ID×Pt×B}{C}\) |
| C. | A = \(\frac{Pt×C×B}{ID}\) |
| D. | A = \(\frac{ID×C×B}{Pt}\) |
| Answer» E. | |
| 777. |
What is the flow area if the pitch of a shell and tube HE is 40mm, the inner diameter of the tubes is 20mm, clearance is 10mm and baffle space is 10mm? |
| A. | 50 sq mm |
| B. | 60 sq mm |
| C. | 55 sq mm |
| D. | 53 sq mm |
| Answer» B. 60 sq mm | |
| 778. |
What is the pitch of a shell and tube HE if the diameter of the tubes is 30mm and clearance is 10mm? |
| A. | 35mm |
| B. | 38mm |
| C. | 40mm |
| D. | 45mm |
| Answer» D. 45mm | |
| 779. |
The pitch of a baffle arrangement in a shell and tube HE is the distance between centres of two tubes in the shell side arrangement. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 780. |
An aircraft has lift to drag ratio during cruise as 2.5 and load factor as 1.2. Which value of thrust loading should be selected? |
| A. | 0.48 |
| B. | 0.58 |
| C. | 0.38 |
| D. | 0.28 |
| Answer» B. 0.58 | |
| 781. |
An aircraft is to be designed to have max lift coefficient as 2.8 and at q=10Pa. If maximum load factor n=5 then, what will be the stall speed? |
| A. | 1.80m/s |
| B. | 1.80mph |
| C. | 2.80mph |
| D. | 2.80m/s |
| Answer» B. 1.80mph | |
| 782. |
After estimating thrust and wing loading, we can proceed to the initial sizing. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 783. |
For jet aircraft, thrust loading is greater than the climb gradient. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 784. |
If climb gradient is G, then which of the following is correct? |
| A. | T/W ≥ G + 2*\(\sqrt{\frac{CD0}{ᴨ*e*AR}}\) |
| B. | T/W ≥ G + 4*\(\sqrt{\frac{CD0}{ᴨ*e*AR}}\) |
| C. | T/W ≥ G – 2*\(\sqrt{\frac{CD0}{ᴨ*e*AR}}\) |
| D. | T/W ≥ G – 4*\(\sqrt{\frac{CD0}{ᴨ*e*AR}}\) |
| Answer» B. T/W ≥ G + 4*\(\sqrt{\frac{CD0}{ᴨ*e*AR}}\) | |
| 785. |
A designer is designing an aircraft which has climb gradient of 1.5 and has drag of 20N. If it weighs 220kg then, determine thrust to weight ratio? |
| A. | 0.097 |
| B. | 0.87 |
| C. | 20 |
| D. | 220 |
| Answer» B. 0.87 | |
| 786. |
What should be the load factor if, lift coefficient is designed as 2.1 and aircraft is operating at dynamic pressure q as 20 Pa. Given W/s =12. |
| A. | 3.5 |
| B. | 5.5 |
| C. | 3.25 |
| D. | 4.5 |
| Answer» B. 5.5 | |
| 787. |
What should be the aspect ratio (AR) of the prop aircraft if it is designed to work with maximum loiter wing loading of 32, CD0 = 0.06, dynamic pressure of 20 unit and Oswald efficiency as 0.6. |
| A. | 7.54 |
| B. | 8.54 |
| C. | 7.65 |
| D. | 9.65 |
| Answer» B. 8.54 | |
| 788. |
For estimated value of the thrust loading, we got three different values of wing loading. As a designer typically which wing loading should be considered? |
| A. | Lowest among all three |
| B. | Highest among all three |
| C. | Any value |
| D. | Always take average |
| Answer» B. Highest among all three | |
| 789. |
Low wing loading increases __________ |
| A. | weight and cost of aircraft |
| B. | weight only |
| C. | lofting |
| D. | drafting |
| Answer» B. weight only | |
| 790. |
Which process is used to develop the LFSR method? |
| A. | random method |
| B. | gaussian method |
| C. | deterministic method |
| D. | bernoulli method |
| Answer» E. | |
| 791. |
The length of the runs is dependent on whether the LFSR is internal or external feedback. |
| A. | true |
| B. | false |
| Answer» C. | |
| 792. |
______ of the runs will have a length of 1. |
| A. | one third |
| B. | one fourth |
| C. | half |
| D. | one eight |
| Answer» D. one eight | |
| 793. |
The primitive polynomial has a property according to which the runs of 1s ______ to runs of 0s. |
| A. | equal |
| B. | greater |
| C. | lesser |
| D. | not related |
| Answer» B. greater | |
| 794. |
Primitive polynomial should have a minimum number of zero coefficient. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 795. |
The load on a negative conduit is given by the equation __________ |
| A. | Wc = Cn γ Bd |
| B. | Wc = Cn γ Bd2 |
| C. | Wc = γ Bd |
| D. | Wc = Cn Bd2 |
| Answer» C. Wc = γ Bd | |
| 796. |
The recommended value of settlement ratio for embankment, to use in design is __________ |
| A. | 0.5 |
| B. | +1.0 |
| C. | – 0.3 |
| D. | – 0.4 |
| Answer» C. – 0.3 | |
| 797. |
The sign used for complete projection is __________ |
| A. | + |
| B. | – |
| C. | No sign is used |
| D. | None of the mentioned |
| Answer» B. – | |
| 798. |
If the plane of settlement does not fall within the embankment, then such a condition is called _________ |
| A. | Complete ditch condition and Complete project condition |
| B. | Incomplete ditch condition |
| C. | None of the mentioned |
| D. | All of the mentioned |
| Answer» B. Incomplete ditch condition | |
| 799. |
Both the projection condition and the ditch conditions of a positive projecting conduit may be __________ |
| A. | Complete |
| B. | Incomplete |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 800. |
If the critical plane settles more than the top of the conduit, the settlement ratio is __________ |
| A. | Zero |
| B. | Negative |
| C. | Positive |
| D. | Unity |
| Answer» D. Unity | |