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This section includes 2167 Mcqs, each offering curated multiple-choice questions to sharpen your Php knowledge and support exam preparation. Choose a topic below to get started.
801. |
Consider a practical op-amp having two break frequency due to a number of RC pole pairs. Determine the gain equation using the given specifications:A ≅ 102.92dB; fo1 =6Hz ; fo2 =2.34MHz . |
A. | 140000/[1+ j(f/6)]x[1+ j(f/2.34)]. |
B. | 140000/[1+ j(f/6)]x[1+ j(f/234)]. |
C. | 140000/[1+ j(f/6)]x[1+ j(f/23400)]. |
D. | 140000/[1+ j(f/6)]x[1+ j(f/2340000)]. |
Answer» E. | |
802. |
In a phase response curve of MC1556, the phase shift is -162.5o about 4MHz. If the approximate value of first break frequency is 5.5Hz. Determine the approximate value of the second break frequency? |
A. | 945.89MHz |
B. | 945.89kHz |
C. | 945.89GHz |
D. | 945.89Hz |
Answer» C. 945.89GHz | |
803. |
The specific frequency at which AOL (dB) is called |
A. | Gain bandwidth product |
B. | Closed loop bandwidth |
C. | Small signal bandwidth |
D. | All of the mentioned |
Answer» E. | |
804. |
Select the correct magnitude and phase for the frequency range. |
A. | 1-iii, 2-i, 3-ii |
B. | 1-I, 2-ii, 3-iii |
C. | 1-iii, 2-ii, 3-i |
D. | 1-ii, 2-iii, 3-iView Answer |
Answer» B. 1-I, 2-ii, 3-iii | |
805. |
Which of these statements is false? |
A. | The open loop gain AOL(f) dB is approximately constant from 0Hz to fo |
B. | When input signal frequency and f is equal to break frequency fo, the gain frequency is called -3dB frequency |
C. | The open loop gain AOL(f) dB is approximately constant upto break frequency fo, but there after it increase 20dB each time there is a tenfold increase in frequency. |
D. | At unity gain crossover frequency, the open loop gain AOL(f) dB is zero |
Answer» D. At unity gain crossover frequency, the open loop gain AOL(f) dB is zero | |
806. |
If we select two points A and B on either side of the obstacle and equal perpendiculars AC and BD are set out. Then AB is equal to? |
A. | AC |
B. | CD |
C. | DA |
D. | BD |
Answer» C. DA | |
807. |
To continue a survey line AB past an obstacle, a line BC 300 m long was set out perpendicular to AB and from C angles BCD and BCE were set out at 60° and 45° respectively. Determine the obstructed length BE? |
A. | 250 m |
B. | 600 m |
C. | 452.28 m |
D. | 300 m |
Answer» E. | |
808. |
To continue a survey line AB past an obstacle, a line BC 100 m long was set out perpendicular to AB and from C angles BCD and BCE were set out at 60° and 45° respectively. Determine the lengths which must be chained off along CE in order that ED may be in AB produced? |
A. | 141.42 m |
B. | 282.84 m |
C. | 140.14 m |
D. | 267.7 m |
Answer» B. 282.84 m | |
809. |
To continue a survey line AB past an obstacle, a line BC 100 m long was set out perpendicular to AB and from C angles BCD and BCE were set out at 60° and 45° respectively. Determine the lengths which must be chained off along CD in order that ED may be in AB produced? |
A. | 100 m |
B. | 200 m |
C. | 300 m |
D. | 400 m |
Answer» C. 300 m | |
810. |
Both ends of the line may not be visible from intermediate points on the line. This case comes under which among the three kinds of obstacles to chaining? |
A. | obstacles to ranging but not chaining |
B. | obstacles to chaining but not ranging |
C. | obstacles to levelling |
D. | obstacles to ranging and chaining |
Answer» B. obstacles to chaining but not ranging | |
811. |
How many kinds of obstacles of chaining are there? |
A. | 2 |
B. | 3 |
C. | 4 |
D. | 5 |
Answer» C. 4 | |
812. |
Inside a wind tunnel, the area further decreases from A2 to A3, that section is called as _______ |
A. | Converging section |
B. | Divergent section |
C. | Throat section |
D. | Nozzle |
Answer» C. Throat section | |
813. |
The open circuit wind tunnel is similar to venturi duct ______ |
A. | True |
B. | False |
Answer» B. False | |
814. |
The below figure shows which of the following wind tunnel? |
A. | Convergent duct |
B. | Divergent duct |
C. | Convergent-divergent duct |
D. | Simple duct |
Answer» D. Simple duct | |
815. |
The flows in which all the flow parameters are the function of ‘x’ is called as _________ |
A. | 3D flow |
B. | 2D flow |
C. | Quasi 1D flow |
D. | Quasi 2D flow |
Answer» D. Quasi 2D flow | |
816. |
The information about data in a database is called _______ |
A. | Metadata |
B. | Hyper data |
C. | Tera data |
D. | None of the mentioned |
Answer» B. Hyper data | |
817. |
How does the communication between the conventional multiple completions can be confirmed? |
A. | By injecting water |
B. | Dynamometer |
C. | Artificial lift |
D. | Packer leakage test |
Answer» E. | |
818. |
How does Water blocking take place? |
A. | By circulating or killing the well with water |
B. | By circulating or killing the well with oil |
C. | By circulating or killing the well with gas |
D. | By circulating Emulsion |
Answer» B. By circulating or killing the well with oil | |
819. |
What is the fingering of water? |
A. | Movement of oil up structure in the more permeable formations |
B. | Movement of gas up structure in the more permeable formations |
C. | Movement of water up structure in the more permeable formations |
D. | Movement of cement up structure in the more permeable formations |
Answer» D. Movement of cement up structure in the more permeable formations | |
820. |
What is completion water-oil contact? |
A. | Depth below which first water production appears |
B. | Depth below which no water is found |
C. | Depth below which no producible oil is found |
D. | Depth below which no oil is found |
Answer» B. Depth below which no water is found | |
821. |
What is producing water-oil contact? |
A. | Depth below which Gas is found |
B. | Depth below which no water is found |
C. | Depth below which no producible oil is found |
D. | Depth below which no oil is found |
Answer» D. Depth below which no oil is found | |
822. |
What is the original water-oil contact? |
A. | Depth below which Gas is found |
B. | Depth below which no water is found |
C. | Depth below which no oil is found |
D. | Depth below which no oil is found |
Answer» E. | |
823. |
What is the method of detecting early trouble in the Electric pump? |
A. | Packer |
B. | Voltmeter |
C. | Ammeter |
D. | Cable |
Answer» D. Cable | |
824. |
Operation of Electric pumps is more troubling if polyethylene covered cable protected by a galvanized steel sheath is used. |
A. | True |
B. | False |
Answer» C. | |
825. |
If an Artificial lift pump is not pumping off then which of the following equipment will help to determine the problem? |
A. | Dynamometer |
B. | Packer |
C. | Slickline |
D. | Barometer |
Answer» B. Packer | |
826. |
If excess water production is a problem then Artificial will be a good solution. |
A. | True |
B. | False |
Answer» C. | |
827. |
If \(\frac{1}{2}\)µnCox*(W/L) = K and λ=0 for the C.S. stage shown below, what is the voltage gain (ideally)? |
A. | (R2 || R3 || R4) * 3K * (V1 – 2Vth) |
B. | (R2 || R3 || R4) * K * (V1 + Vth) |
C. | (R2 || R3 || R4) * 2K * (V1 – Vth) |
D. | (R2 || R3 || R4) * K * (V1 – Vth) |
Answer» E. | |
828. |
Coupling capacitors provide D.C. coupling during biasing of transistors. |
A. | True |
B. | False |
Answer» C. | |
829. |
What is the role of the capacitor in the following circuit? |
A. | Increasing the gain |
B. | Decreasing the gain |
C. | Has not role |
D. | Decreases the output impedance |
Answer» B. Decreasing the gain | |
830. |
What is the output voltage in the following C.S. stage? |
A. | 5 V |
B. | 0 V |
C. | 2.5 V |
D. | 3 V |
Answer» B. 0 V | |
831. |
If Vth is .45V, what is the output voltage for the following C.S. stage? |
A. | 4.7 V |
B. | 3.9 V |
C. | 2.1 V |
D. | 3.5 V |
Answer» B. 3.9 V | |
832. |
If we have 3 resistors of 1k, 2k and 3k, how should they be used amongst R1, R2 and R3 to get the maximum gate voltage in the following C.S. stage? |
A. | R1 = 1k, R2 = 2k, R3 = 3k |
B. | R1 = 3k, R2 = 2k, R3 = 1k |
C. | R1 = 2k, R2 = 1k, R3 = 3k |
D. | R1 = 3k, R2 = 1k, R3 = 2k |
Answer» B. R1 = 3k, R2 = 2k, R3 = 1k | |
833. |
If an NMOS is degenerated by a resistor in series with the source, what will happen to the output resistance? |
A. | It increases |
B. | It decreases |
C. | It remains same |
D. | Cannot be determined |
Answer» B. It decreases | |
834. |
In the following C.S. stage, what is the gate voltage appearing across M1? |
A. | V1 * [(R2 || R3) / (R1 || R2 || R3)] |
B. | V1 * [(R2 + R3) / {R1 + R2) || R3}] |
C. | V1 * [(R2 + R3) / (R1 + R2 + R3)] |
D. | V1 * [(R2 || R3) / {R1 + (R2 ||R3}] |
Answer» E. | |
835. |
Neglecting Channel Length Modulation, what is the output impedance of the following C.S. stage? |
A. | R4 |
B. | R4 || R2 |
C. | R4 || (R2 + R3) |
D. | R4 || [(R2 + R3) || R1] |
Answer» B. R4 || R2 | |
836. |
What is the input impedance of the following C.S. stage? |
A. | R2 || R3 |
B. | R1 || (R2 + R3) |
C. | (R1 || R2) + R3 |
D. | R1 + (R2 || R3) |
Answer» B. R1 || (R2 + R3) | |
837. |
When froth blocks the pump, it leads to _______ |
A. | Separation of rich minerals |
B. | Mixing of rich minerals |
C. | Removing of ores |
D. | Loss of prime |
Answer» E. | |
838. |
Froth contains air that blocks the pumps. |
A. | True |
B. | False |
Answer» B. False | |
839. |
What is purpose of froth in froth pumps? |
A. | Separates rich minerals |
B. | Mixes rich minerals |
C. | Removes ores |
D. | Detects oil |
Answer» B. Mixes rich minerals | |
840. |
The centrifugal pump has varying flow depending on the _________ |
A. | Pressure |
B. | Static lift |
C. | Volume |
D. | Flow rate |
Answer» B. Static lift | |
841. |
What does BEP stand for? |
A. | Best efficiency point |
B. | Brake ejection point |
C. | Break effect point |
D. | Best effect point |
Answer» B. Brake ejection point | |
842. |
Vertical centrifugal pumps are also called as ________ |
A. | Froth pumps |
B. | Multistage pumps |
C. | Cantilever pumps |
D. | Magnetic pumps |
Answer» D. Magnetic pumps | |
843. |
____________ ml of oxygen is transported per deciliter of blood. |
A. | 20ml |
B. | 40ml |
C. | 10ml |
D. | 50ml |
Answer» B. 40ml | |
844. |
Residual volume is _______________ |
A. | Lesser than tidal volume |
B. | Greater than vital capacity |
C. | Greater than inspiratory volume |
D. | Greater than tidal volume |
Answer» E. | |
845. |
One molecule of hemoglobin carries ___________ molecules of oxygen. |
A. | 4 |
B. | 3 |
C. | 2 |
D. | 1 |
Answer» B. 3 | |
846. |
Which is true for carbon dioxide concentration? |
A. | More in alveolar air than in expired air |
B. | More in inspired air than in alveolar air |
C. | More in expired air than in alveolar air |
D. | More in alveolar air than in inspired air |
Answer» B. More in inspired air than in alveolar air | |
847. |
For low income group houses, sufficient shelving arrangement with storage space shall be provided in the kitchen. |
A. | True |
B. | False |
Answer» B. False | |
848. |
For pay range below Rs.110/- accommodation will be a room and cooking verandah room, bath and W.C. |
A. | True |
B. | False |
Answer» B. False | |
849. |
Residential building for officials are used to be planned on the basis of the income which is 10% of their salary. |
A. | True |
B. | False |
Answer» C. | |
850. |
For type 3rd what will be the pay range? |
A. | 251/- to 400/- |
B. | 500/- to 700/- |
C. | 350/- to 780/- |
D. | 290/- to 600/- |
Answer» B. 500/- to 700/- | |